Masashi Takeshita and Rafal Rzepka; "JETHICS: Japanese Ethics Understanding Evaluation Dataset", arXiv:2506.16187 [cs.CL], 2025 🔗
Mariusz Ziolko; Karol Kaminski; Napoleon Waszkiewicz; Wojciech Datka; Karolina Kozlowska; Michal Kucharski; Rafal Rzepka; Bartosz Ziolko, "Vocabulary Variation and Lemma Probabilities in Speech Analysis for Diagnosing Dementia and Depression Journal Article", to appear in Computers in Biology and Medicine, 2025. (Forthcoming)
Michal Ptaszynski; Pawel Dybala; Rafal Rzepka, "Application of Artificial Intelligence Methods in Processing of Emotions, Decisions, and Opinions" (Editorial), Applied Sciences, vol. 14, no. 13, 2024, ISSN: 2076-3417 🔗
Masashi Takeshita and Rafal Rzepka: "Speciesism in natural language processing research", AI and Ethics, 2024, ISBN: 2730-5961. 🔗
Joanna Szwoch; Mateusz Staszkow; Rafal Rzepka; Kenji Araki: "Limitations of Large Language Models in Propaganda Detection Task", Applied Sciences, vol. 14, no. 10, pp. 4330, 2024 🔗
Rafal Rzepka and Kenji Araki, "Chapter Twelve - Obtaining hints to understand language model-based moral decision making by generating consequences of acts", Editor(s): Peggy Wu, Michael Salpukas, Hsin-Fu Wu, Shannon Ellsworth, Trolley Crash, Academic Press, 2024, Pages 209-223, ISBN 9780443159916, 🔗
Lu Wang; Sho Isomura; Michal Ptaszynski; Pawel Dybala; Yuki Urabe; Rafal Rzepka; Fumito Masui: "The Limits of Words: Expanding a Word-Based Emotion Analysis System with Multiple Emotion Dictionaries and the Automatic Extraction of Emotive Expressions", Applied Sciences, vol. 14, no. 11, pp. 4439, 2024
Mariusz Ziolko, Napoleon Waszkiewicz, Wojciech Datka, Karolina Kozlowska, Michal Kucharski, Bartosz Ziolko, Rafal Rzepka and Karol Kaminski: "Linguistic analysis in diagnosing dementia and depression", JMIR Preprints. 24/05/2023:49293. 🔗
Magdalena Igras-Cybulska, Daria Hemmerling, Mariusz Ziolko, Michal Kucharski, Wojciech Datka, Ewa Stogowska, Rafal Rzepka and Bartosz Ziolko: "Speech Analysis as a Tool for Detection and Monitoring of Medical Conditions: A review", Archives of Acoustics, 2023, (e-ISSN: 2300-262X). 🔗
Dusan Radisavljevic, Rafal Rzepka, and Kenji Araki: "Personality Types and Traits - Examining and Leveraging the Relationship between Different Personality Models for Mutual Prediction" Applied Sciences 13, no. 7: 4506. 🔗
Xiaodong Liu, Rafal Rzepka and Kenji Araki, "Parameter-efficient feature-based transfer for paraphrase identification". Natural Language Engineering, 1-31, 2023. 🔗
Masashi Takeshita, Rafal Rzepka and Kenji Araki: "Speciesist language and nonhuman animal bias in English Masked Language Models", Information Processing & Management, Volume 59, Issue 5, 2022, 103050, ISSN 0306-4573, 🔗
Siaw-Fong Chung, Rafal Rzepka, and Shih-ping Wang. "Preface: Corpus Linguistics and Discourse Annotations", International Journal of Computational Linguistics and Chinese Language Processing (IJCLCLP). 27(1). i-iii, 2022.
Michal Ptaszynski, Pawel Dybala, Tatsuaki Matsuba, Fumito Masui, Rafal Rzepka, Kenji Araki, and Yoshio Momouchi. "In the service of online order: Tackling cyber-bullying with machine learning and affect analysis.", 2022. 🔗
Mateusz Babieno, Masashi Takeshita, Dusan Radisavljevic, Rafal Rzepka and Kenji Araki. "MIss RoBERTa WiLDe: Metaphor Identification Using Masked Language Model with Wiktionary Lexical Definitions." Appl. Sci. 2022, 12, 2081. 🔗
Yasufumi Takama, Naohiro Matsumura, Katsutoshi Yada, Mitsunori Matsushita, Daisuke Katagami, Akinori Abe, Hisashi Kashima, Toshihiro Hiraoka, Takahiro Uchiya, Rafal Rzepka (Eds.): "Advances in Artificial Intelligence - Selected Papers from the Annual Conference of Japanese Society of Artificial Intelligence, JSAI 2021", Virtual Event, Japan, 8-11 June 2021. Advances in Intelligent Systems and Computing 1423, Springer 2022, ISBN 978-3-030-96450-4. 🔗
Daiki Shirafuji, Rafal Rzepka and Kenji Araki, "Argument Extraction for Key Point Generation using MMR-based Methods," in IEEE Access, doi: 10.1109/ACCESS.2021.3097976, 🔗
Yuki Urabe, Rafal Rzepka, Kenji Araki,"Find right countenance for your input - Improving automatic emoticon recommendation system with distributed representations", Information Processing & Management, Volume 58, Issue 1, 2021, 102414, ISSN 0306-4573, 🔗
Jagna Nieuważny, Karol Nowakowski, Michal Ptaszynski, Fumito Masui, Rafal Rzepka, Kenji Araki, "Does change in ethical education influence core moral values? Towards history- and culture-aware morality model with application in automatic moral reasoning", Cognitive Systems Research (CSR), Volume 66, Pages 89-99, March 2021 🔗
Maria Skeppstedt, Magnus Ahltorp, Kostiantyn Kucher, Andreas Kerren, Rafal Rzepka, Kenji Araki: “Topic modelling applied to a second language: A language adaptation and tool evaluation study”, Selected Papers from the CLARIN Annual Conference 2019, Linköping Electronic Conference Proceedings 172:17, s. 145-156. 🔗
Da Li, Rafal Rzepka, Michal Ptaszynski, Kenji Araki, “HEMOS: A novel deep learning-based fine-grained humor detecting method for sentiment analysis of social media”, Information Processing & Management, Volume 57, Issue 6, 2020, 102290, ISSN 0306-4573, 🔗
Patrycja Swieczkowska, Rafal Rzepka, and Kenji Araki, “Stepwise Noise Elimination for Better Motivational and Advisory Texts Classification,” J. Adv. Comput. Intell. Intell. Inform., Vol.24, No.1, pp. 156-168, 2020. 🔗
Michal Ptaszynski, Pawel Lempa, Fumito Masui, Yasutomo Kimura, Rafal Rzepka, Kenji Araki, Michal Wroczynski, and Gniewosz Leliwa: "Brute - Force Sentence Pattern Extortion from Harmful Messages for Cyberbullying Detection," Journal of the Association for Information Systems: Vol. 20 : Iss. 8, Article 4. DOI: 10.17705/1jais.00562 🔗
Jagna Nieuważny, Fumito Masui, Michal Ptaszynski, Rafal Rzepka, Karol Nowakowski, How Religion and Morality Correlate in Age of Society 5.0: Statistical Analysis of Emotional and Moral Associations with Buddhist Religious Terms Appearing on Japanese Blogs, Cognitive Systems Research, 2019, ISSN 1389-0417, 🔗
Akinori Abe, Rafal Rzepka, and Michal Ptaszynski, "Language Sense and Communication on Computer", Advances in Human-Computer Interaction (AHCI), Vol. 2019, Article ID 3081602, 2019.
Marek Krawczyk, Rafal Rzepka and Kenji Araki. Exploiting Wikipedia-Based Information-Rich Taxonomy for Extracting Location, Creator and Membership Related Information for ConceptNet Expansion. In book: Human Language Technology. Challenges for Computer Science and Linguistics, Lecture Notes in Computer Science, pp. 262-275. November 2018. DOI: 10.1007/978-3-319-93782-3_19
Michal Mazur, Rafal Rzepka and Kenji Araki. Teaching Words in Context: Code-Switching Method for English and Japanese Vocabulary Acquisition Systems. In book: Human Language Technology. Challenges for Computer Science and Linguistics, Lecture Notes in Computer Science, pp. 332-348. November 2018. DOI: 10.1007/978-3-319-93782-3_24
Michal Ptaszynski, Fumito Masui, Yasutomo Kimura, Rafal Rzepka and Kenji Araki. Automatic Extraction of Harmful Sentence Patterns with Application in Cyberbullying Detection. In book: Human Language Technology. Challenges for Computer Science and Linguistics, Lecture Notes in Computer Science, pp. 349-363. November 2018. DOI: 10.1007/978-3-319-93782-3_25
Matthew Ikle, Arthur Franz, Rafal Rzepka and Ben Goertzel (Eds.), Artificial General Intelligence, Proceedings of 11th International Conference, AGI 2018, Prague, Czech Republic, August 22-25, 2018. ISBN 978-3-319-97676-1
Rafal Rzepka, Jordi Vallverdú, Andre Wlodarczyk. Proceedings of the Linguistic and Cognitive Approaches To Dialog Agents Workshop co-located with the 27th International Joint Conference on Artificial Intelligence and the 23rd European Conference on Artificial Intelligence (IJCAI-ECAI 2018)
Rafal Rzepka, Mitsuru Takizawa, Jordi Vallverdu, Michal Ptaszynski, Pawel Dybala, Kenji Araki. From Words to Emoticons: Deep Emotion Recognition in Text and Its Wider Implications. International Journal of Computational Linguistics Research, Volume: 9 , Issue: 1, pp. 10-26, 2018.
Michal Ptaszynski, Fumito Masui, Yoko Nakajima, Yasutomo Kimura, Rafal Rzepka, and Kenji Araki. (2017). A Method for Detecting Harmful Entries on Informal School Websites Using Morphosemantic Patterns. Journal of advanced computational intelligence and intelligent informatics, 21(7), 1189-1201.
Rafal Rzepka and Kenji Araki: "What People Say? – Web-based Casuistry for Artificial Morality Experiments", in: Everitt T., Goertzel B., Potapov A. (eds) Artificial General Intelligence. AGI 2017. Lecture Notes in Computer Science, vol 10414; pp. 178-187, Springer, Cham, 2017.
Michal Ptaszynski, Pawel Dybala, Rafal Rzepka, Kenji Araki and Fumito Masui: "ML-Ask: Open Source Affect Analysis Software for Textual Input in Japanese". Journal of Open Research Software. 2017;5(1):16.
Rafal Rzepka, Jordi Vallverdú, Andre Wlodarczyk. Proceedings of the Linguistic and Cognitive Approaches To Dialog Agents Workshop co-located with the 26th International Joint Conference on Artificial Intelligence (IJCAI 2018)
Michal Ptaszynski, Noriyuki Okumura, Rafal Rzepka: 顔文字の現象および研究の概観 ─記号の遊びが科学されるようになった道─ (A Review of the Phenomenon and Studies on Emoticons - How Play on Symbols Became Science), 人工知能学会誌, Vol. 32 No. 3 (2017/05), pp. 333-341.
Noriyuki Okumura, Michal Ptaszynski, Rafal Rzepka: 工学的・心理学的側面から見た顔文字の分析に関する研究動向 (Research Trends of Kaomoji Analytics from Engineering and Psychological Points of View), 人工知能学会誌, Vol. 32 No. 3 (2017/05), pp. 342-349.
Rafal Rzepka, Noriyuki Okumura, Michal Ptaszynski: 複数の世界をつなぐ顔 ─ 現代における絵記号の意味と可能性, (Worlds Linking Faces - Meaning and Possibilities of Contemporary Pictograms), 人工知能学会誌, Vol. 32 No. 3 (2017/05), pp. 350-355.
Yuki Urabe, Rafal Rzepka, Michal Ptaszynski: 顔文字推薦技術の研究動向 (A Survey on Emoticon Recommendation Technology), 人工知能学会誌, Vol. 32 No. 3 (2017/05), pp. 356-363.
Michal Ptaszynski, Fumito Masui, Rafal Rzepka, Kenji Araki: "Subjective? Emotional? Emotive?: Language Combinatorics based Automatic Detection of Emotionally Loaded Sentences", Linguistics and Literature Studies, Vol. 5, No. 1, pp. 36-50, 2017.
Magnus Ahltorp, Maria Skeppstedt, Shiho Kitajima, Aron Henriksson, Rafal Rzepka and Kenji Araki: "Expansion of medical vocabularies using distributional semantics on Japanese patient blogs”, Journal of Biomedical Semantics 2016, 7:58, DOI: 10.1186/s13326-016-0093-x
Pawel Dybala , Rafal Rzepka, Kenji Araki, Kohichi Sayama: "Simile or Not Simile? Automatic Detection of Metonymic Relations in Japanese Literal Comparisons”, Human Language Technology. Challenges for Computer Science and Linguistics, Volume 9561 of the series Lecture Notes in Computer Science pp. 277-289, 30 July, 2016
荒木 健治, ジェプカ・ラファウ, プタシンスキ・ミハウ, ディバワ・パヴェウ：「心を交わす人工知能: 言語・感情・倫理・ユーモア・常識」，森北出版 (2016/6/18). ISBN: 978-4627818019. (Kenji Araki, Rafal Rzepka, Michal Ptaszynski and Pawel Dybala, "AI with Empathy: language, emotions, ethics, humor, common sense", Morikita Publishing House, 2016).
Michal Ptaszynski, Fumito Masui, Taisei Nitta, Suzuha Hatakeyama, Yasutomo Kimura, Rafal Rzepka and Kenji Araki: "Sustainable cyberbullying detection with category-maximized relevance of harmful phrases and double-filtered automatic optimization”, International Journal of Child-Computer Interaction, vol. 8 pp. 15-30, 2016.
Marek Krawczyk, Rafal Rzepka and Kenji Araki: "Extracting location and creator-related information from Wikipedia-based information-rich taxonomy for ConceptNet expansion”, Knowledge-Based Systems 2016, 1-7 (in print, available online), DOI:10.1016/j.knosys.2016.05.004
Michal Mazur, Krzysztof Karolczak, Rafal Rzepka and Kenji Araki. "A System for English Vocabulary Acquisition based on Code-Switching”, International Journal of Distance Education Technologies (IJDET) 14(3), pp. 52-75, 2106. DOI: 10.4018/IJDET.2016070104
Rafal Rzepka and Kenji Araki, "Semantic Analysis of Bloggers Experiences as a Knowledge Source of Average Human Morality”, book chapter in Rethinking Machine Ethics in the Age of Ubiquitous Technology, ed. Jeffrey White and Rick Searle, pp. 73-95. Hershey, PA: Information Science Reference. DOI:10.4018/978-1-4666-8592-5.ch005
Rafal Rzepka and Kenji Araki: “ELIZA Fifty Years Later: An Automatic Therapist Using Bottom-Up and Top-Down Approaches”, book chapter in Machine Medical Ethics, Intelligent Systems, Control and Automation: Science and Engineering Volume 74, 2015, pp. 257-272, DOI: 10.1007/978-3-319-08108-3_16
Shiho Kitajima, Rafal Rzepka and Kenji Araki: “Blog Snippets Based Drug Effects Extraction System Using Lexical and Grammatical Restrictions”, International Journal of Multimedia Data Engineering and Management, 5(2), pp. 1-17, April-June 2014.
Michal Ptaszynski, Rafal Rzepka, Satoshi Oyama, Masahito Kurihara and Kenji Araki, "A Survey on Large Scale Corpora and Emotion Corpora”, コンピュータソフトウェア，Vol.31, No.2, pp.151-167, 2014.
Denis Kiselev, Rafal Rzepka and Kenji Araki: “Matching Word-Order Variations and Sorting Results for the iEPG Data Search”, International Journal of Multimedia Data Engineering and Management, 5(1), pp. 52-64, January-March 2014.
Yuki Urabe, Rafal Rzepka and Kenji Araki: “Emoticon Recommendation System to Richen Your Online Communication”, International Journal of Multimedia Data Engineering and Management, 5(1), pp. 14-33, January-March 2014.
Naoya Arakawa and Rafal Rzepka: “Report on the 6th Artificial General Intelligence Conference (AGI 2013)”, Journal of the Japanese Society of Artificial Intelligence Vol. 29 No. 3, May 2014.
Kosuke Shinoda, Ryutaro Ichise, Rafal Rzepka, Atsushi Terao, Kotaro Funakoshi, Hiroyasu Matsushima and Hiroshi Yamakawa: “Mapping the Landscape of Human-Level Artificial General Intelligence” - translation for the Journal of the Japanese Society of Artificial Intelligence Vol. 29 No. 3, special issue on AGI, May 2014.
Michal Ptaszynski, Rafal Rzepka, Kenji Araki and Yoshio Momouchi: “Automatically Annotating A Five-Billion-Word Corpus of Japanese Blogs for Sentiment and Affect Analysis”, Computer Speech and Language (CSL), Vol. 28, Issue. 1, pp. 38-55, Elsevier, 2013.
Michal Ptaszynski, Yoshio Momouchi, Jacek Maciejewski, Pawel Dybala, Rafal Rzepka, and Kenji Araki: “Annotating Japanese Blogs with Syntactic and Affective Information”, Chapter in Mining of User Generated Content and Its Applications, Ed. Marie-Francine Moens, Juanzi Li, Tat-Seng Chua, publ. Tailor & Francis (CRC Press), January 2014
Rafal Rzepka and Kenji Araki: "Society as a Life Teacher - Automatic Recognition of Instincts Underneath Human Actions by Using Blog Corpus", A. Jatowt et al. (Eds.): SocInfo 2013, LNCS 8238, pp. 370–376, 2013.
Rafal Rzepka, Koichi Muramoto and Kenji Araki, "Limiting Context by Using The Web to Minimize Conceptual Jump Size", Algorithmic Probability and Friends. Bayesian Prediction and Artificial Intelligence, Lecture Notes in Computer Science, Volume 7070, 2013, pp. 318-326, 2013.
Michal Ptaszynski, Michal Mazur, Pawel Dybala, Rafal Rzepka, Kenji Araki and Yoshio Momouchi
Towards Computational Fronesis: Verifying Contextual Appropriateness of Emotions
International Journal of Distance Education Technologies (IJDET), Special Issue on Emotional Intelligence for Online Learning, Vol. 11, No. 2, pp. 16-47, 2013.
Michal Ptaszynski, Hiroaki Dokoshi, Satoshi Oyama, Rafal Rzepka, Masahito Kurihara, Kenji Araki, Yoshio Momouchi : “Affect analysis in context of characters in narratives”, Expert Systems with Applications: An International Journal , Volume 40 Issue 1, Pergamon Press, January 2013.
Pawel Dybala, Michal Ptaszynski, Rafal Rzepka, Kenji Araki, and Kohichi Sayama, “Metaphor, Humor and Emotion Processing in Human-Computer Interaction”, International Journal of Computational Linguistics Research Vol. 4 No. 1, pp. 1-14, March 2013
Radoslaw Komuda, Rafal Rzepka, Kenji Araki, “Aristotelian Approach and Shallow Search Settings for Fast Ethical Judgment, International Journal of Computational Linguistics Research Vol. 4 No. 1, pp. 14-22, March 2013
Michal Ptaszynski, Jacek Maciejewski, Pawel Dybala, Rafal Rzepka, Kenji Araki and Yoshio Momouchi, "Science of Emoticons: Research Framework and State of the Art in Analysis of kaomoji-type Emoticons", book chapter in IGI Global "Speech, Image, and Language Processing for Human Computer Interaction: Multi-Modal Advancements", pp. 234-260, April 2012.
Rafal Rzepka, Koichi Muramoto and Kenji Araki, "Generality Evaluation of Automatically Generated Knowledge for the Japanese ConceptNet", In Springer-Verlag Lecture Notes in Artificial Intelligence (LNAI) 7106, "AI 2011: Advances in Artificial Intelligence" (Proceedings of 24th Australasian Joint Conference), ed. Dianhui Wang and Mark Reynolds, pp. 648-657, Berlin-Heidelberg, 2012.
Rafal Rzepka, Michal Ptaszynski and Pawel Dybala (Editors), “Linguistic And Cognitive Approaches To Dialogue Agents”,
AISB/IACAP World Congress 2012, Birmingham, UK, 2-6 July 2012, Published by The Society for the Study of Artificial Intelligence and Simulation of Behaviour, ISBN: 978-1-908187-16-1
Rafal Rzepka. Proceedings of the Linguistic and Cognitive Approaches To Dialog Agents Workshop co-located with The 2012 Annual Convention of the Society for the Study of Artificial Intelligence and Simulation of Behaviour (AISB’12)
Michal Ptaszynski, Rafal Rzepka, Kenji Araki and Yoshio Momouchi: "Language Combinatorics: A Sentence Pattern Extraction Architecture Based on Combinatorial Explosion", International Journal of Computational Linguistics (IJCL), Vol. 2, Issue. 1, pp. 24-36, 2011.
Pawel Dybala, Michal Ptaszynski, Rafal Rzepka, Kenji Araki: "Evaluating Subjective Aspects of HCI on an Example of a Non-Task Oriented Conversational System”, International Journal on Artificial Intelligence Tools, 19(6): 819-85, Dec. 2010
Michal Ptaszynski, Pawel Dybala, Wenhan Shi, Rafal Rzepka andKenji Araki, "An Automatic Evaluation Method for Conversational Agents Based on Affect-as-Information Theory", 知能と情報（日本知能情報ファジィ学会誌）特集 感情, 2-2, 134-155, 2010.
Fumito Masui, Rafal Rzepka, Yasutomo Kimura, Jun-ichi Fukumoto and Kenji Araki: WWW-based Figurative Descriptions for Japanese Word, Journal of Japan Society for Fuzzy Theory and Intelligent Informatics, Vol. 22, No.6, pp.707-719 (2010.12)
Pawel Dybala, Michal Ptaszynski, Rafal Rzepka, Kenji Araki: Extending the Chain: Humor and Emotions in Human Computer Interaction, International Journal of Computational Linguistics Research, Volume: 1 , Issue: 3 (September 2010), pp: 116-125
Michal Ptaszynski, Pawel Dybala, Tatsuaki Matsuba, Fumito Masui, Rafal Rzepka, Kenji Araki and Yoshio Momouchi: In the Service of Online Order: Tackling Cyber-Bullying with Machine Learning and Affect Analysis, International Journal of Computational Linguistics Research, Volume: 1 , Issue: 3 (September 2010), pp: 135-154
Radoslaw Komuda, Michal Ptaszynski, Yoshio Momouchi, Rafal Rzepka, Kenji Araki: Machine Moral Development: Moral Reasoning Agent Based on Wisdom of Web- Crowd and Emotions, International Journal of Computational Linguistics Research, Volume: 1 , Issue: 3 (September 2010), pp: 155-16
Rafal Rzepka. Proceedings of the Linguistic and Cognitive Approaches To Dialog Agents Workshop co-located with The 2010 Annual Convention of the Society for the Study of Artificial Intelligence and Simulation of Behaviour (AISB’10)
Michal Ptaszynski, Jacek Maciejewski, Pawel Dybala, Rafal Rzepka and Kenji Araki, CAO: A Fully Automatic Emoticon Analysis System Based on Theory of Kinesics, IEEE Transactions on Affective Computing, Vol. 1, No. 1, January-June, pp. 46-59, 2010.
Pawel Dybala, Michal Ptaszynski, Jacek Maciejewski, Mizuki Takahashi, Rafal Rzepka, Kenji Araki, Multiagent system for joke generation: Humor and emotions combined in human-agent conversation, Journal of Ambient Intelligence and Smart Environments (Thematic Issue on Computational Modeling of Human-Oriented Knowledge within Ambient Intelligence) 2 (2010), pp. 31-48, February 2010.
Michal Ptaszynski, Pawel Dybala, Wenhan Shi, Rafal Rzepka and Kenji Araki: Contextual Affect Analysis: A System for Verification of Emotion Appropriateness Supported with Contextual Valence Shifters, International Journal of Biometrics, Vol. 2, No. 2, 2010, pp. 134-154, Inderscience Enterprises
Rafal Rzepka, Shinsuke Higuchi, Michal Ptaszynski, Pawel Dybala and Kenji Araki: When Your Users Are Not Serious - Using Web-based Associations, Affect and Humor for Generating Appropriate Utterances for Inappropriate Input, 人工知能学会論文誌 Vol.25, No.1, pp 114-121
Michal Ptaszynski, Pawel Dybala, Shinsuke Higuhi, Wenhan Shi, Rafal Rzepka and Kenji Araki: Towards Socialized Machines: Emotions and Sense of Humour in Conversational Agents, Chapter in Web Intelligence and Intelligent Agents, In-Tech, Vienna, Austria, 2010, ISBN 978-953-7619-85-5
Pawel Dybala, Michal Ptaszynski, Rafal Rzepka and Kenji Araki: Activating Humans with Humor - A Dialogue System that Users Want to Interact With, IEICE Transactions on Information and Systems, Special Issue on "Natural Language Processing and its Applications", Vol. E92-D, No. 12 (December), pp. 2394-2401, 2009.
Michal Ptaszynski, Pawel Dybala, Wenhan Shi, Rafal Rzepka and Kenji Araki: A System for Affect Analysis of Utterances in Japanese Supported with Web Mining, Journal of Japan Society for Fuzzy Theory and Intelligent Informatics, Special Issue on Kansei Retrieval, 知能と情報（日本知能情報ファジィ学会誌）特集「感性検索」, Vol. 21, No. 2 (April), pp. 30-49 (194-213), 2009.
Hasegawa Dai, Rafal Rzepka and Kenji Araki: Connectives Acquisition in a Humanoid Robot Based on an Inductive Learning Language Acquisition Model (Humanoid Robots, I-Tech Education and Publishing, Vienna, Austria, 2009)
Pawel Dybala, Michal Ptaszynski, Shinsuke Higuchi, Rafal Rzepka and Kenji Araki: Humor Prevails! - Implementing a Joke Generator into a Conversational System (Springer-Verlag Lecture Notes in Artificial Intelligence (LNAI) Vol. 5360, pp. 214-225, Berlin-Heidelberg, 2008)
Dai Hasegawa, Rafal Rzepka and Kenji Araki: Evaluation of Connectives Acquisition in a Humanoid Robot Using Direct Physical Feedback Springer-Verlag Lecture Notes in Artificial Intelligence (LNAI) 4830, pp. 664-668, Berlin-Heidelberg (2007)
Rafal Rzepka, Yali Ge, Kenji Araki: Common Sense from the Web? Naturalness of Everyday Knowledge Retrieved from WWW (Journal of Advanced Computational Intelligence and Intelligent Informatics Vol.10 No.6, pp.868-875, 2006)
Yali Ge, Rafal Rzepka, Kenji Araki Support for Internet-based Commonsense Processing - Causal Knowledge Discovery Using Japanese If-Forms (Proceedings of KES'2005 9th International Conference on Knowledge-Based & Intelligent Information & Engineering Systems, Springer-Verlag LNAI 3682, pp. 950-956, Melbourne, Australia, September 2005)
Yali Ge, Rafal Rzepka, Kenji Araki: Automatic Scripts Retrieval and Its Possibilities for Soft Science Support Applications (Intelligent Information Systems 2005 - New Trends in Intelligent Information Processing and Web Mining Conference Proceedings to be published in Springer Verlag series "Advances in Soft Computing", Poland, June 2005)
Rafal Rzepka, Kenji Araki: Ideas for the Web-Based Affective Processing (Journal of Systemics, Cybernetics and Informatics, Volume 2, Number 3, pp.50-57, 2004)
Rafal Rzepka, Toshihiko Itoh, Kenji Araki: Toward Fully Automatic Categorization for Commonsense Processing (Lecture Notes in Artificial intelligence LNAI 3157) - Proceedings of the Language Sense on Computer 2004 - Part of the Eight Pacific Rim International Conference on Artificial Intelligence, Auckland, New Zealand, pp 40-46, August 2004)
Rafal Rzepka, Kenji Araki, Koji Tochinai: Bacterium Lingualis - the Web-based Commonsensical Knowledge Discovery Method (Lecture Notes in Artifical Intelligence, vol 2843,453-460, 2003, Springer-Verlag, Berlin, Heidelberg, New York)
Rafal Rzepka, Kenji Araki and Koji Tochinai: Emotional Information Retrieval for a Dialogue Agent (An International Journal of Computing and Informatics "Informatica", Volume 27, Number 2, 2003, pp. 205-212)
Rafal Rzepka and Akihiko Obayashi, "Effectiveness of Security Export Control Ontology for Predicting Answer Type and Regulation Categories Proceedings Article", In: Proceedings of the 2024 8th International Conference on Advances in Artificial Intelligence, pp. 156–161, Association for Computing Machinery, New York, NY, USA, 2025, ISBN: 9798400718014.
Shinji Muraji, Rafal Rzepka and Toshihiko Itoh; "Evaluation of active generation of interlocutor profiling sentences from utterances and their implicit context", in Rzepka, Rafal; Ptaszynski, Michal; Dybala, Pawel; Chung, Siaw-Fong; Vallverdu, Jordi (Ed.): Proceedings of the 9th Linguistic and Cognitive Approaches To Dialog Agents Workshop – LaCATODA 2024 co-located with the Pacific Rim International Conference on Artificial Intelligence (PRICAI 2024), pp. 45-55, WS-CEUR, 2024.
Huizhong Ji and Rafal Rzepka, "Fame Bias — Large Language Models Change Their Judgement Depending on Personal Name", In: Patricia Anthony Rafik Hadfi, Alok Sharma (Ed.): PRICAI 2024: Trends in Artificial Intelligence, Lecture Notes LNAI 15283, 21st Pacific Rim International Conference on Artificial Intelligence, PRICAI 2024, Kyoto, Japan, November 18–24, 2024, Proceedings, Part III, pp. 15–20, 2024.
Rafal Rzepka, Ryoma Shinto and Kenji Araki, "Semantic Primes-Inspired Tacit Knowledge Dataset for Simulating Basic Perception Capabilities of Cognitive Architectures", In: Artificial General Intelligence: 17th International Conference, AGI 2024, Seattle, WA, USA, August 13–16, 2024, Proceedings, pp. 145–154, Springer-Verlag, SEATTLE, WA, USA, 2024, ISBN: 978-3-031-65571-5.
Rafal Rzepka, Shinji Muraji and Akihiko Obayashi: "Expert Evaluation of Export Control-Related Question Answering Capabilities of LLMs". In the proceedings of the 10th IEEE Asia-Pacific Conference on Computer Science and Data Engineering (CSDE’23), Yanuca Island, Fiji (November 2023)
Joanna Szwoch, Mateusz Staszkow, Rafal Rzepka and Kenji Araki: "Can LLMs Determine Political Leaning of Polish News Articles?". In the proceedings of the 10th IEEE Asia-Pacific Conference on Computer Science and Data Engineering (CSDE’23), Yanuca Island, Fiji (November 2023)
Masashi Takeshita, Rzepka Rafal, Kenji Araki: "Towards Theory-based Moral AI: Moral AI with Aggregating Models Based on Normative Ethical Theory", https://arxiv.org/abs/2306.11432, to appear in the Proceedings of IJCAI 2023 Workshop of Ethics and Trust in Human-AI Collaboration: Socio-Technical Approaches (EthAIcs 2023)
Ryo Hashimoto, Masashi Takeshita, Rafal Rzepka and Kenji Araki: "Development of Japanese WSC273 Winograd Schema Challenge Dataset and Comparison between Japanese and English BERT Baselines". In the proceedings of the Language Technology Conference (LTC’23), pp. 91-95, Poznan, Poland (March 2023)
Yiyang Zhang, Masashi Takeshita, Rafal Rzepka and Kenji Araki: "Utilizing BERT with Auxiliary Sentences Generation to Improve Accuracy of Japanese Aspect-based Sentiment Analysis Task". In the proceedings of the Language Technology Conference (LTC’23), pp. 348-352, Poznan, Poland (March 2023)
Joanna Szwoch, Mateusz Staszkow, Rafal Rzepka and Kenji Araki: "Sentiment Analysis of Polish Online News Covering Controversial Topics – Comparison Between Lexicon and Statistical Approaches". In the proceedings of the Language Technology Conference (LTC’23), pp. 277-281, Poznan, Poland (March 2023) [BEST PAPER AWARD]🏆
Lu Wang, Michal Ptaszynski, Pawel Dybala, Yuki Urabe, Rafal Rzepka and Fumito Masui: "Improving Performance of Affect Analysis System by Expanding Affect Lexicon". In the proceedings of the Language Technology Conference (LTC’23), pp.314-319, Poznan, Poland (March 2023)
Rafal Rzepka, Shinji Muraji and Akihiko Obayashi: "Utilizing Wikipedia for Retrieving Synonyms of Trade Security-related Technical Terms". In the proceedings of the Language Technology Conference (LTC’23), pp. 250-254, Poznan, Poland (March 2023)
Dusan Radisavljević, Bojan Batalo, Rafal Rzepka, Kenji Araki, "Myers-Briggs Type Indicator and the Big Five Model – How Our Personality Affects Language Use", Proceedings of the 9th IEEE Asia-Pacific Conference on Computer Science and Data Engineering (CSDE'22), Gold Coast, Queensland, Australia, Dec. 14-16, 2022.
Kei Kawai, Rafal Rzepka and Tatsuki Nemoto: "Using Convolutional Neural Network for improving inference of interrogative sentences in a dialogue system", IEEE Proceedings of ACII 2022 Workshops, The Eighth Linguistic and Cognitive Approaches to Dialog Agents (LaCATODA 2022) , October 18, 2022, Nara, Japan.
Akihiko Obayashi and Rafal Rzepka: "Expanding Export Control-related Data for Expert System", Proceedings of 26th International Conference on Knowledge-Based and Intelligent Information & Engineering Systems, September 5-9, Verona, Italy.
Joanna Szwoch, Mateusz Staszkow, Rafal Rzepka, Kenji Araki: "Creation of Polish Online News Corpus for Political Polarization Studies", Proceedings of The First LREC 2022 workshop on Natural Language Processing for Political Sciences, ISBN: 979-10-95546-88-7, Pages: pp. 86‑90, 24 June, 2022
Rafal Rzepka: "Pitfalls of Current AI Helping To Analyze Japanese Tweets", Book of abstracts of the Practicing Japan – 35 years of Japanese Studies in Poznań and Kraków conference, Poland (held online, March 2022)
Rafal Rzepka and Kenji Araki: Comparison of Zero-Shot Ethical Classification With and Without Automatically Generated Consequences, Proceedings of the AAAI Spring Symposium on Approaches to Ethical Computing Metrics for Measuring AI’s Proficiency and Competency for Ethical Reasoning, Stanford University, Palo Alto, California, USA (held online, March 2022)
Rafal Rzepka, Daiki Shirafuji, Akihiko Obayashi, "Limits and Challenges of Embedding-based Question Answering in Export Control Expert System", Proceedings of 25th International Conference on Knowledge-Based and Intelligent Information & Engineering Systems, Szczecin, Poland, September 8-10, 2021.
Dusan Radisavljević, Bojan Batalo, Rafal Rzepka, Kenji Araki, "Text-Based Speaker Identification for Video Game Dialogues". In: Arai K. (eds) Intelligent Systems and Applications. IntelliSys 2021. Lecture Notes in Networks and Systems, vol 296. Springer, Cham. https://doi.org/10.1007/978-3-030-82199-9_4, 2021
Hiyori Yoshikawa, Tomoya Iwakura, Kimi Kaneko, Hiroaki Yoshida, Yasutaka Kumano, Kazutaka Shimada, Rafal Rzepka and Patrycja Swieczkowska: "Tell Me What You Read - Automatic Expertise-Based Annotator Assignment for Text Annotation in Expert Domains", in the Proceedings fo Recent Advances in Natural Language Processing (RANLP 2021), September 1-3, Varna, Bulgaria, 2021.
Akihiko Obayashi and Rafal Rzepka, "Annotated Question and Answer Dataset for Security Export Control", Proceedings of The 7th Linguistic and Cognitive Approaches to Dialog Agents (LaCATODA 2021) IJCAI 2021 Workshop, CEUR Workshop Proceedings vol. 2935, Montreal, Canada, August 2021.
Rafal Rzepka, Yuki Katsumata and Kenji Araki, "Current Language Models Might Not Be Suitable For Reverse Engineering Moral Wisdom of Crowds", Engineering and Reverse-Engineering Morality Workshop at CogSci 2021, July 26, Vienna, Austria, 2021.
Rafal Rzepka, Daiki Shirafuji, and Akihiko Obayashi: "Limits and Challenges of Embedding-based Question Answering in Export Control Expert System", Proceedings of 25th International Conference on Knowledge-Based and Intelligent Information & Engineering Systems, September 8-10, Szczecin, Poland.
Masashi Takeshita, Yuki Katsumata, Rafal Rzepka and Kenji Araki , “Can Existing Methods Debias Languages Other than English? First Attempt to Analyze and Mitigate Japanese Word Embeddings ”, Proceedings of COLING 2020 Workshop on Gender Bias in Natural Language Processing, December 13, 2020.
Daiki Shirafuji, Hiromichi Kameya, Rafal Rzepka and Kenji Araki, “Summarizing Utterances from Japanese Assembly Minutes using Political Sentence-BERT-based Method for QA Lab-PoliInfo-2 Task of NTCIR-15”, Proceedings of NTCIR-15 Conference, December 8-11, Tokyo, Japan (held online).
Siaw-Fong Chung and Rafal Rzepka. Analysis of Human Thoughts in the Big Data Era: A Case Study of Showerthought Sub-Reddit. In the Proceedings of 10th Conference on Digital Archives and Digital Humanities, December 2019, Taipei, Taiwan.
Mateusz Babieno, Rafal Rzepka and Kenji Araki. Evaluating Classification Methods for Recognizing Figurative Expressions Within Japanese Literary Texts. Proceedings of the 16th International Conference of the Pacific Association for Computational Linguistics, PACLING 2019, Paper #26, October 11-13, 2019, Hanoi, Vietnam.
Maria Skeppstedt, Magnus Ahltorp, Andreas Kerren, Rafal Rzepka and Kenji Araki. Application of a Topic Model Visualisation Tool to a Second Language, Book of Abstracts of the CLARIN Annual Conference 2019, Leipzig, Germany, September 30-October 2, 2019.
Maria Skeppstedt, Rafal Rzepka, Kenji Araki and Andreas Kerren. Visualising and evaluating the effects of combining active learning with word embedding features, Preliminary proceedings of the 15th Conference on Natural Language Processing (KONVENS 2019), pp.91-100, Erlangen-Nürnberg, Germany, October 9-11, 2019.
Jagna Nieuwazny, Michal Ptaszynski, Karol Nowakowski, Fumito Masui, Rafał Rzepka and Kenji Araki. Emotional and Moral Impressions Associated with Buddhist Religious Terms in Japanese Blogs - Preliminary Analysis. Proceedings of BICA 2019, Seattle, USA, August 15-17, 2019. [BEST INNOVATIVE WORK AWARD]🏆 and [OUTSTANDING RESEARCH AWARD]🏆
Sho Takishita, Rafal Rzepka and Kenji Araki, "Implicit Knowledge Completion Using Relevance Calculation of Distributed Word Representations", IJCAI Workshop on Bridging The Gap Between Human and Automated Reasoning, Macao, China, August 12, 2019.
Da Li, Rafal Rzepka, Michal Ptaszynski and Kenji Araki, "Emoji-Aware Attention-based Bi-directional GRU Network Model for Chinese Sentiment Analysis", IJCAI Workshop on Linguistic and Cognitive Approaches To Dialog Agents Workshop, Macao, China, August 12, 2019.
Daiki Shirafuji, Rafal Rzepka and Kenji Araki, "Debate Outcome Prediction using Automatic Persuasiveness Evaluation and Counterargument Relations", IJCAI Workshop on Linguistic and Cognitive Approaches To Dialog Agents Workshop, Macao, China, August 12, 2019.
Patrycja Swieczkowska, Rafal Rzepka and Kenji Araki, "A Convolutional Neural Network For Ranking Advice Quality In Texts For A Motivational Dialogue System", IJCAI Workshop on Linguistic and Cognitive Approaches To Dialog Agents Workshop, Macao, China, August 12, 2019.
Mateusz Babieno, Rafal Rzepka and Kenji Araki, "Comparing Conceptual Metaphor Theory-Related Features in Searching for Figurative Expressions in Japanese Literary Texts", IJCAI Workshop on Language Sense on Computer, Macao, China, August 10, 2019.
Akihiko Obayashi and Rafal Rzepka, "Towards Interactive Advisory System for Security Export Control", IJCAI Workshop on Language Sense on Computer, Macao, China, August 10, 2019.
Daiki Shirafuji, Sho Takishita, Patrycja Swieczkowska, Rafal Rzepka and Kenji Araki: “STARS at the NTCIR-14 QA Lab-PoliInfo Classification Task”, NTCIR-14 Conference: Proceedings of the 14th NTCIR Conference on Evaluation of Information Access Technology, pp. 198-207, June 10-13, 2019 Tokyo Japan.
Da Li, Rafal Rzepka, Michal Ptaszynski, Kenji Araki: "Machine Learning Approach Considering Chinese Slang Lexicon and Emoticons for Chinese Social Media Sentiment Analysis", AAAI-19 Workshop on Affective Content Analysis (AffCon 2019), January 27, 2019 at Honolulu, Hawaii.
Jagna Nieuwazny, Fumito Masui, Michal Ptaszynski, Rafal Rzepka, Karol Nowakowski, "Preliminary Statistical Analysis of Emotional and Moral Impressions Associated with Buddhist Religious Terms", Proceedings of International Workshop on Modern Science and Technology (IWMST 2018), October 25-26, 2018, Wuhan, China.
Da Li, Rafal Rzepka, Michal Ptaszynski and Kenji Araki, "Emoticon-Aware Recurrent Neural Network Model for Chinese Sentiment Analysis", Proceedings of The Ninth IEEE International Conference on Awareness Science and Technology (iCAST 2018), pp. 161-166, September, 2018.
Patrycja Świeczkowska, Rafal Rzepka and Kenji Araki, “Analyzing motivating texts for modelling human-like motivation techniques in emotionally intelligent dialogue systems”, Proceedings of the Biologically Inspired Cognitive Architectures (BICA 2018) Proceedings, Springer Series on Advances in Intelligent Systems and Computing, vol. 848, pp. 763-768, August, 2018.
Daniel Harborne, Dave Braines, Alun Preece and Rafal Rzepka, "Conversational Control Interface to Facilitate Situational Understanding in a City Surveillance Setting", Proceedings of Linguistic and Cognitive Approaches to Dialog Agents (LaCATODA 2018) IJCAI-ECAI 2018 Workshop, to appear as CEUR Workshop Proceedings, July, 2018, Stockholm, Sweden.
Rafal Rzepka and Kenji Araki: “Importance of Contextual Knowledge in Artificial Moral Agents Development”, AAAI 2018 Spring Symposium on AI and Society: Ethics, Safety and Trustworthiness in Intelligent Agents, pp. 61-68, Stanford, March 2018.
Patrycja Swieczkowska, Jolanta Bachan, Rafal Rzepka, and Kenji Araki: "Asystent - a Prototype of a Motivating Electronic Assystent", Proceedings of Linguistic and Cognitive Approaches to Dialog Agents (LaCATODA 2017), IJCAI 2017 Workshop, CEUR vol. 1926, pp. 11-19, 21 August, 2017, Melbourne, Australia.
Taku Nakamura, Rafal Rzepka, Kenji Araki, and Kentaro Inui: "Be More Eloquent, Professor ELIZA – Comparison of Utterance Generation Methods for Artificial Second Language Tutor", Proceedings of Linguistic and Cognitive Approaches to Dialog Agents (LaCATODA 2017) IJCAI 2017 Workshop, CEUR vol. 1926, pp. 34-41, 21 August, 2017, Melbourne, Australia.
Rafal Rzepka and Kenji Araki: "Conscious vs. Unaware Evaluation - Using Collective Intelligence for an Automatic Evaluation of Acts", the 2nd international workshop on evaluating general-purpose AI (EGPAI2017), part of IJCAI 2017, 20 August, 2017, Melbourne, Australia.
Rafal Rzepka, Joelle Vitzikam, Nicolas Flasque and Kenji Araki: "Prototyping A Virtual Reality Game for Commonsense Knowledge Acquisition and Story Understanding", Proceedings of Language Sense on Computers IJCAI 2016 Workshop, pp. aa-bb , 19 August, 2017, Melbourne, Australia.
Rafal Rzepka and Kenji Araki: "Natural Language Processing for Predicting Everyday Behavior with and without Time and Duration Information", International Symposium on Forecasting 2017, June 25-28, Cairns, Australia.
Seiya Shudo, Rafal Rzepka, and Kenji Araki. "Automatic Evaluation of Commonsense Knowledge for Refining Japanese ConceptNet”, Proceeding of 12th Workshop on Asian Language Resources (ALR 2016), pp. 105-112, Osaka, Japan, December 12, 2016.
Rafal Rzepka, Yasutomo Kimura, Yoshihito Tsuji and Keiichi Takamaru: "Prototyping Radiobots - Automatic Radio Talks Generator Considering Live Feedback from Listeners”, in the Proceedings of Workshop on Chatbots and Conversational Agents Collocated with IVA2016 (The Sixteenth International Conference on Intelligent Virtual Agents), Los Angeles, 2016.
Michal Ptaszynski, Fumito Masui, Yoko Nakajima, Yasutomo Kimura, Rafal Rzepka, Kenji Araki, "Detecting Cyberbullying with Morphosemantic Patterns", Joint 8th International Conference on Soft Computing and Intelligent Systems and 17th International Symposium on Advanced Intelligent Systems (SCIS-ISIS 2016), pp. 248-255, August 25-28, 2016, Sapporo, Japan.
Pawel Dybala, Motoki Yatsu, Michal Ptaszynski, Rafal Rzepka and Kenji Araki; "Towards Joking, Humor Sense Equipped and Emotion Aware Conversational Systems”, Advances in Affective and Pleasurable Design : Proceedings of the AHFE 2016 International Conference on Affective and Pleasurable Design, pp.657-669, July 27-31, 2016.
Rafal Rzepka, Keita Mitsuhashi, and Kenji Araki; “Avoiding Green and Colorless Ideas - Text-based Color-Related Knowledge Acquisition for Better Image Understanding”, in Proceedings of 4th International Workshop on Artificial Intelligence and Cognition AIC 2016 at Human-Level Artificial Intelligence (CEUR vol. 1895), New York City, USA, July 16, 2016.
Rafal Rzepka, Kohei Matsumoto, and Kenji Araki, "Praiseworthy Acts Recognition Using Web-based Knowledge and Semantic Categories”, Proceedings of the 4th Workshop on Sentiment Analysis where AI meets Psychology (SAAIP 2016) co-located with 25th International Joint Conference on Artificial Intelligence (IJCAI 2016), CEUR 1619, pp. 41-47, New York City, USA, July 10, 2016.
Marek Krawczyk, Rafal Rzepka, and Kenji Araki, Marek Krawczyk: „Rule-based Approach to Extracting Location, Creator and Membership-related Information from Wikipedia-based Information-rich Taxonomy for ConceptNet Expansion”. Proceedings of Language Sense on Computers IJCAI 2016 Workshop, pp. 29-35 , July 2016.
Radoslaw Komuda, Michal Ptaszynski, Rafal Rzepka, and Kenji Araki: Recognizing and Converting Cockney Rhyming Slang for Cyberbullying And Crime Detection. Proceedings of Language Sense on Computers IJCAI 2016 Workshop, pp. 67-72 , July 2016.
Rafal Rzepka, Mitsuru Takizawa and Kenji Araki: „Emotion Prediction System for Japanese Language Considering Compound Sentences, Double Negatives and Adverbs”. Proceedings of Language Sense on Computers IJCAI 2016 Workshop, pp. 73-79, July 2016.
Rafal Rzepka, Michal Mazur, Austin Clapp and Kenji Araki, „Global Brain That Makes You Think Twice”, AAAI Spring Symposium on Well-Being Computing: AI Meets Health and Happiness Science, pp. 403-410, March 2016, Stanford, USA.
Michal Mazur, Rafal Rzepka and Kenji Araki, „Applying Code-Switching Method for E-Learning in English and Japanese Vocabulary Acquisition Systems”, Proceedings of the 7th Language and Technology Conference - LTC 2015, pp. 487-491, Poznan, Poland, November 29, 2015
Marek Krawczyk, Rafal Rzepka and Kenji Araki: „Exploiting Wikipedia-based Information-rich Taxonomy for Extracting Location and Creator Related Information for ConceptNet Expansion”, Proceedings of the 7th Language and Technology Conference - LTC 2015, pp. 383-387, Poznan, Poland, November 28, 2015
Michal Ptaszynski, Fumito Masui, Yasutomo Kimura, Rafal Rzepka and Kenji Araki: "Extracting Patterns of Harmful Expressions for Cyberbullying Detection”, Proceedings of the 7th Language and Technology Conference - LTC 2015, pp. 370-375, Poznan, Poland, November 28, 2015
Rafal Rzepka and Kenji Araki, "Haiku Generator That Reads Blogs and Illustrates Them with Sounds and Images”, Proceedings of 24th International Joint Conference on Artificial Intelligence (IJCAI 2015), Buenos Aires, Argentina, pp. 2496-2502, July 25-31, 2015
Rafal Rzepka, Marek Krawczyk and Kenji Araki, "Replacing Sensors with Text Occurrences for Commonsense Knowledge Acquisition”, Proceedings of IJCAI 2015 Workshop on Cognitive Knowledge Acquisition and Applications (Cognitum 2015), Buenos Aires, Argentina, July 25-31, 2015
Rafal Rzepka and Kenji Araki, "Toward Artificial Ethical Learners That Could Also Teach You How to Be a Moral Man”, to appear in the Proceedings of IJCAI 2015 Workshop on Cognitive Knowledge Acquisition and Applications (Cognitum 2015), Buenos Aires, Argentina, July 25-31, 2015
Michal Ptaszynski, Fumito Masui, Yasutomo Kimura, Rafal Rzepka and Kenji Araki , "Brute Force Works Best Against Bullying”, Proceedings of IJCAI 2015 Joint Workshop on Constraints and Preferences for Configuration and Recommendation, Buenos Aires, Argentina, July 25-31, 2015
Rafal Rzepka, Yusuke Amaya, Motoki Yatsu and Kenji Araki, "Automatic Narrative Humor Recognition Method Using Machine Learning and Semantic Similarity Based Punchline Detection”, Proceedings of IJCAI 2015 International Workshop on Chance Discovery, Data Synthesis and Data Market, Buenos Aires, Argentina, July 25-31, 2015
Rafal Rzepka and Kenji Araki, "Language-Centered World Simulator for Testing Various Approaches to Machine Consciousness”, Proceedings of the Toward a Science of Consciousness (TSC 2015) Conference, pp. 210, Helsinki, Finland, June 9-13, 2015
Radoslaw Komuda, Rafal Rzepka and Kenji Araki, "Conscienceness – the correlation between Machine Ethics and Machine Consciousness”, Proceedings of the Toward a Science of Consciousness (TSC 2015) Conference, pp. 208, Helsinki, Finland, June 9-13, 2015
Yasutomo Kimura, Fumitoshi Ashihara, Arnaud Jordan, Keiichi Takamaru, Yuzu Uchida, Hokuto Ototake, Hideyuki Shibuki, Michal Ptaszynski, Rafal Rzepka, Fumito Masui and Kenji Araki, “Using Time Periods Comparison for Eliminating Chronological Discrepancies between Question and Answer Candidates at QALab NTCIR11 Task”, Proceedings of the 11th NTCIR Conference, pp. 550-555, Tokyo, Japan, December 9-12, 2014
Magnus Ahltorp, Hideyuki Tanushi, Shiho Kitajima, Maria Skeppstedt, Rafal Rzepka and Kenji Araki, “HokuMed in NTCIR-11 MedNLP-2: Automatic Extraction of Medical Complaints from Japanese Health Records Using Machine Learning and Rule-based Methods”, Proceedings of the 11th NTCIR Conference, pp. 158-162, Tokyo, Japan, December 9-12, 2014
Magnus Ahltorp, Maria Skeppstedt, Shiho Kitajima, Rafal Rzepka and Kenji Araki: “Medical vocabulary mining using distributional semantics on Japanese patient blogs”. In Proceedings of the 6th International Symposium on Semantic Mining in Biomedicine (SMBM 2014), pp. 69-73, Aveiro, Portugal, October 6-7, 2014.
Michal Ptaszynski, Fumito Masui, Rafal Rzepka, Kenji Araki: "Detecting emotive sentences with pattern-based language modelling", In Proceedings of the 18th International Conference on Knowledge-Based and Intelligent Information & Engineering Systems (KES2014), pp. 484-493, Gdynia, Poland, 15-17 September, 2014.
Michal Ptaszynski, Fumito Masui, Rafal Rzepka, Kenji Araki: “Emotive or Non-emotive: That is The Question”, In Proceedings of the 5th Workshop on Computational Approaches to Subjectivity, Sentiment & Social Media Analysis (WASSA 2014), pp. 59-65, held in conjunction with The 52th Annual Meeting of The Association for Computational Linguistics (ACL 2014) Conference, Baltimore, USA, June 22-27, 2014.
Rafal Rzepka and Kenji Araki: “Task-Oriented Consciousness – Will My Robot Feel More Happiness and Freedom Than Me?” - 20th Anniversary “Toward a Science of Consciousness” Conference, 3-12/208, pp. 161-162, April 21-26, Tucson, USA, 2014.
Rafal Rzepka and Kenji Araki: "Experience of Crowds as a Guarantee for Safe Artificial Self", AAAI Spring Symposium on Implementing Selves with Safe Motivational Systems & Self-Improvement, pp. 40-44, March 2014, Stanford, USA, 2014
Pawel Dybala, Rafal Rzepka, Koichi Sayama and Kenji Araki: "Detecting false metaphors in Japanese", The 6th Language and Technology Conference - LTC 2013, pp. 127-131, December 2013, Poznan, Poland, 2013
Rafal Rzepka and Kenji Araki: "Possible Usage of Sentiment Analysis for Calculating Vectors of Felific Calculus", IEEE 13th International Conference on Data Mining Workshop “SENTIRE”, pp. 967-970, December 2013, Dallas, USA, 2013
Fumiko Kano Glückstad, Tue Herlau, Tue, Mikkel N. Schmidt, Morten Mørup, Rafal Rzepka and Kenji Araki: "Analysis of Conceptualization Patterns across Groups of People”, Proceedings of 2013 Conference on Technologies and Applications of Artificial Intelligence (TAAI 2013, Taipei, Taiwan), pp. 349-354, published by IEEE, Los Alamitos, CA, 2013.
Taisei Nitta, Fumito Masui, Michal Ptaszynski, Yasutomo Kimura, Rafal Rzepka, Kenji Araki: “Detecting Cyberbullying Entries on Informal School Websites Based on Category Relevance Maximization”, In Proceedings of the 6th International Joint Conference on Natural Language Processing (IJCNLP 2013), pp. 579-586, Nagoya, Japan, October 14-18, 2013.
Yuki Urabe, Rafal Rzepka and Kenji Araki: “Emoticon Recommendation for Japanese Computer-Mediated Communication”, in the Proceedings of 2013 IEEE Seventh International Conference on Semantic Computing, pp. 25-31, Irvine, USA, 2013.
Denis Kiselev, Rafal Rzepka and Kenji Araki: “Improving Search Query Matching for Electronic TV Program Guide Data Extraction”, in the Proceedings of 2013 IEEE Seventh International Conference on Semantic Computing, pp. 146-149, Irvine, USA, 2013.
Shiho Kitajima, Rafal Rzepka and Kenji Araki: “Performance Improvement of Drug Effects Extraction System from Japanese Blogs”, in the Proceedings of 2013 IEEE Seventh International Conference on Semantic Computing, pp. 383-386, Irvine, USA, 2013.
Denis Kiselev, Rafal Rzepka and Kenji Araki. “Applying the Stop List and Part of Speech Analysis to Processing the IEPG Search Query”. Proceedings of the 14th Conference of the Pacific Association For Computational Linguistics 2013, Tokyo, Japan (Paper Sep3-8)
Shiho Kitajima, Rafal Rzepka and Kenji Araki: "Extraction of Drug Information Using Clue Words from Japanese Blogs", Proceedings of the 14th Conference of the Pacific Association For Computational Linguistics 2013, Tokyo, Japan (Paper Sep4-8)
Yuki Urabe, Rafal Rzepka, Kenji Araki: "Emoticon Recommendation System for Effective Communication", in the proceedings of IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining (ASONAM 2013), pp. 1460 - 1461, Niagara Falls, Canada, 2013.
Michal Ptaszynski, Fumito Masui, Pawel Dybala, Rafal Rzepka and Kenji Araki: “Open Source Affect Analysis System with Extensions”, Proceedings of the 1st International Conference on Human-Agent InteractionI (iHAI 2013), II-2-p9, Sapporo, Japan, August 7-9, 2013.
Rafal Rzepka, Pawel Dybala, Koichi Sayama and Kenji Araki: “Semantic Clues for Novel Metaphor Generator”, Proceedings of 2nd International Workshop of Computational Creativity, Concept Invention, and General Intelligence, C3GI, Beijing, China, August 4, 2013.
Taisei Nitta, Fumito Masui, Michal Ptaszynski, Yasutomo Kimura, Rafal Rzepka and Kenji Araki: “Cyberbullying Detection Based on Category Relevance Maximization”, in Demo Session of 20th International Conference on Language Processing and Intelligent Information Systems (LP&IIS 2013), Warsaw, Poland, June 17-18, 2013.
Pawel Dybala, Rafal Rzepka, Kenji Araki, Kohichi Sayama, "NLP Oriented Japanese Pun Classification", in Proceedings of IALP2012, Hanoi, Vietnam, 2012, pp. 33-36.
Pawel Dybala, Rafal Rzepka, Kenji Araki, Kohichi Sayama, "Japanese Puns Are Not Necessarily Jokes", AAAI Fall Symposium on Artificial Intelligence of Humor, Washington, DC, USA, November 2012.
Pawel Dybala, Rafal Rzepka, Kenji Araki, Kohichi Sayama, "Data Filtering in Humor Generation: Comparative Analysis of Hit Rate and Co-occurrence Rankings as a Method to Choose Usable Pun Candidates", The 21st ACM International Conference on Information and Knowledge Management (CIKM 2012), pp. 2587-2590, Maui, Hawaii, USA, November, 2012.
Rafal Rzepka and Kenji Araki (2012) "Automatic Reverse Engineering of Human Behavior Based on Text for Knowledge Acquisition [Abstract]", in N. Miyake, D. Peebles, & R. P. Cooper (Eds.), Proceedings of the 34th Annual Conference of the Cognitive Science Society (p. 679). Austin, TX: Cognitive Science Society
Rafal Rzepka, Kenji Araki: "Language of Emotions for Simulating Moral Imagination", In Proceedings of The 6th Conference on Language, Discourse, and Cognition (CLDC 2012), Taiwan, May 2012.
Pawel Dybala, Michal Ptaszynski, Rafal Rzepka, Kenji Araki and Kohichi Sayama: “Emotion Recognition in Humorous Human-computer Communication: A Conversational System Using Humor According to Use Emotions”, In Proceedings of The 6th Conference on Language, Discourse, and Cognition (CLDC 2012), Taiwan, May 2012.
Michal Mazur, Rafal Rzepka and Kenji Araki. "Proposal for a Conversational English Tutoring System that Encourages User Engagement". T. Hirashima et al. (Eds.) (2011). Proceedings of the 19th International Conference on Computers in Education. Chiang Mai, Thailand: Asia-Pacific Society for Computers in Education (ICCE2011), pp.10-12.
Svetoslav Dankov, Rafal Rzepka, and Kenji Araki: "UIAR Common Sense: an augmented reality framework for creating games to collect common sense from users", Proceedings of the 12th Conference of the Pacific Association For Computational Linguistics 2011, Malaysia, (Paper 50)
Tyson Roberts, Rafal Rzepka and Kenji Araki. Introducing Grammatically Aware Regular Expressions. In Proceedings of the Pacific Association For Computational Linguistics 2011, Malaysia (Paper 12)
Motoki Yatsu, Rafal Rzepka, and Kenji Araki: "A Modules-Based, Task-Navigational Dialogue System", Proceedings of the Pacific Association For Computational Linguistics 2011, Malaysia (Paper 44)
Motoyasu Fujita, Rafal Rzepka and Kenji Araki: "Evaluation of Utterances Based on Causal Knowledge Retrieved from Blogs", Proceedings of the International Conference Artificial Intelligence and Soft Computing (ASC 2011), pp. 294-299, 2011
Keisuke Takagi, Rafal Rzepka and Kenji Araki: "Just Keep Tweeting, Dear: Web-Mining Methods for Helping a Social Robot Understand User Needs, in Proceedings of "Help Me Help You: Bridging the Gaps in Human-Agent Collaboration" Symposium of AAAI 2011 Spring Symposia (SS-11-05), pp. 60-65, 2011
Radoslaw Komuda, Rafal Rzepka and Kenji Araki: "Social Factors in Kohlberg's Theory of Stages of Moral Development – the Utility of (Web) Crowd Wisdom for Machine Ethics Research", Proceedings of The 5th International Conference on Applied Ethics, Sapporo, 2010
Tyson Roberts, Rafal Rzepka and Kenji Araki: "A Japanese Natural Language Toolset Implementation for ConceptNet", the Proceedings of Commonsense Knowledge in the AAAI 2010 Fall Symposium (Technical Report FS-10-02), pp. 88-89, Arlington, USA, November, 2010.
Svetoslav Dankov, Rafal Rzepka and Kenji Araki: "Ubiquitous User Interfaces Framework Using Augmented Reality as a Platform", Proceedings of the International Workshop on Modern Science andTechnology 2010(IWMST2010), Kitami, Japan, pp. 187-191, 2010
Tyson Roberts, Rafal Rzepka and Kenji Araki, "A Multi-Input Approach for a System for Semantically Relevant Art Creation", Proceedings of the International Workshop on Modern Science and Technology 2010(IWMST2010), Kitami, Japan, pp. 38-39, 2010
Takuya Emori, Rafal Rzepka and Kenji Araki: "Automatic Haiku Generation Using Web Search and Japanese Weblogs as Input", Proceedings of the International Workshop on Modern Science andTechnology 2010(IWMST2010), Kitami, Japan, pp. 30-32,
Keisuke Takagi, Rafal Rzepka, Kenji Araki: "Method for Social Behavior Acquisition by Robots Using Feedback from the Environment and Users", Proceedings of the International Workshop on Modern Science and Technology 2010 (IWMST 2010), Kitami, Japan, pp. 164-166, 2010.
Fumito Masui, Rafal Rzepka, Yasutomo Kimura, Junichi Fukumoto and Kenji Araki: "Acquisition of Japanese Word Descriptions from World Wide Web", Proceedings of the International Workshop on Modern Science and Technology (IWMST 2010), pp.153-158, Kitami, Hokkaido, Japan, September, 2010.
Michal Mazur, Rafal Rzepka and Kenji Araki, Co-Mix Project: Towards Artificial Tutors Using Code Mixing as Foreign Language Teaching Method, Proceedings of the International Workshop on Modern Science and Technology (IWMST 2010), pp.196-201, Kitami, Hokkaido, Japan, September, 2010.
Michal Ptaszynski, Jacek Maciejewski, Pawel Dybala, Rafal Rzepka and Kenji Araki: CAO: Fully Automatic Emoticon Analysis System, In Proceedings of The Twenty-Fourth AAAI Conference on Artificial Intelligence (AAAI-10), July 11 - 15 in Atlanta, Georgia, USA, pp. xx-xx, 2010. (to appear)
Pawel Dybala, Michal Ptaszynski, Rafal Rzepka, Kenji Araki: Multi-humoroid: Joking System That Reacts With Humor To Humans' Bad Moods, In Proceedings of The Ninth International Conference on Autonomous Agents and Multiagent Systems (AAMAS 2010), Toronto, Canada, pp. 1433-1434.
Pawel Dybala, Michal Ptaszynski, Rafal Rzepka, Kenji Araki, Chain of Events: Multi-stage Approach to Humor and Emotions in HCI, Proceedings of the Linguistic And Cognitive Approaches To Dialog Agents Symposium, Rafal Rzepka (Ed.), at the AISB 2010 convention, pp.53-58, 29 March – 1 April 2010, De Montfort University, Leicester, UK.
Pawel Dybala, Rafal Rzepka, Kenji Araki, Computer System That Likes Chess, Proceedings of the Towards a Comprehensive Intelligence Test (TCIT): Reconsidering the Turing Test for the 21st Century Symposium, Aladdin Ayesh, Mark Bishop, Luciano Floridi, and Kevin Warwick (Ed.), at the AISB 2010 convention, pp.42-44, 29 March – 1 April 2010, De Montfort University, Leicester, UK.
Radoslaw Komuda, Michal Ptaszynski, Rafal Rzepka and Kenji Araki: An idea of a web-crowd based moral reasoning agent, Proceedings of the Linguistic And Cognitive Approaches To Dialog Agents Symposium, Rafal Rzepka (Ed.), at the AISB 2010 convention, pp.17-19, 29 March – 1 April 2010, De Montfort University, Leicester, UK.
Michal Ptaszynski, Pawel Dybala, Tatsuaki Matsuba, Fumito Masui, Rafal Rzepka, Kenji Araki: Machine learning and affect analysis against cyber-bullying, Proceedings of the Linguistic And Cognitive Approaches To Dialog Agents Symposium, Rafal Rzepka (Ed.), at the AISB 2010 convention, pp.7-16, 29 March – 1 April 2010, De Montfort University, Leicester, UK.
Michal Ptaszynski, Pawel Dybala, Rafal Rzepka, Kenji Araki: Forgetful and emotional: recent progress in development of dynamic memory management system for conversational agents, Proceedings of the Linguistic And Cognitive Approaches To Dialog Agents Symposium, Rafal Rzepka (Ed.), at the AISB 2010 convention, pp. 32-38, 29 March – 1 April 2010, De Montfort University, Leicester, UK.
Rafal Rzepka, Radoslaw Komuda and Kenji Araki: Bacteria Lingualis In The Knowledge Soup - A Webcrawler With Affect Recognizer For Acquiring Artificial Empathy, The AAAI 2009 Fall Symposium on Biologically Inspired Cognitive Architectures (BICA-09), Washington, D.C., USA, November 5 - 7, 2009
Michal Ptaszynski, Rafal Rzepka and Kenji Araki: A Pragmatic Approach to Implementation of Emotional Intelligence in Machines, The AAAI 2009 Fall Symposium on Biologically Inspired Cognitive Architectures (BICA-09), Washington, D.C., USA, November 5 - 7, 2009
Michal Ptaszynski, Pawel Dybala, Rafal Rzepka and Kenji Araki: Affecting Corpora:Experiments with Automatic Affect Annotation System - A Case Study of the 2channel Forum -, The Conference of the Pacific Association for Computational Linguistics (PACLING-09), September 1-4, 2009, Hokkaido University, Sapporo, Japan, pp. 223-228
Pawel Dybala, Michal Ptaszynski, Rafal Rzepka and Kenji Araki: Crossing Word Borders - Towards Phrasal Pun Generation Engine, The Conference of the Pacific Association for Computational Linguistics (PACLING-09), September 1-4, 2009, Hokkaido University, Sapporo, Japan
Pawel Dybala, Michal Ptaszynski, Rafal Rzepka and Kenji Araki: Getting Closer to Human Level - Human Likeness and its Relation to Humor in Non-task Oriented Dialogue Systems, The Fourth International Conference on Computational Intelligence (CI 2009), pp., August, 2009, Honolulu, Hawaii, USA
Michal Ptaszynski, Pawel Dybala, Wenhan Shi, Rafal Rzepka and Kenji Araki: Conscience of Blogs: Verifying Contextual Appropriateness of Emotions Basing on Blog Contents, The Fourth International Conference on Computational Intelligence (CI 2009), pp., August, 2009, Honolulu, Hawaii, USA, pp. 1-6
Michal Ptaszynski, Pawel Dybala, Wenhan Shi, Rafal Rzepka and Kenji Araki: Towards Context Aware Emotional Intelligence in Machines: Computing Contextual Appropriateness of Affective States, Proceedings of Twenty-first International Joint Conference on Artificial Intelligence (IJCAI-09), Pasadena, pp.1469-1474, California, U.S.A., July 2009.
Pawel Dybala, Michal Ptaszynski, Rafal Rzepka and Kenji Araki: Subjective, But Not Worthless ? Non-linguistic Feature of Chatterbot Evaluations, Proceedings of JSAI'09 Workshop on Knowledge and Reasoning in Practical Dialogue Systems (KRPDS 2009), pp.87-92, Pasadena, California, U.S.A., July 2009.
Michal Ptaszynski, Pawel Dybala, Wenhan Shi, Rafal Rzepka and Kenji Araki: Shifting Valence Helps Verify Contextual Appropriateness of Emotions, Proceedings of Workshop on Automated Reasoning about Context and Ontology Evolution (ARCOE-09), pp.19-21, Pasadena, California, USA, July 2009.
Rafal Rzepka and Kenji Araki: Artificial Self Based on Collective Mind - Using Common Sense and Emotions Web-Mining for Ethically Correct Behaviors, Proceedings of Toward a Science of Consciousness Conference, June, 2009 Hong Kong.
Pawel Dybala, Michal Ptaszynski, Rafal Rzepka and Kenji Araki: Humoroids - Coversational Agents That Induce Positive Emotions with Humor , Proceedings of 8th International Conference on Autonomous Agents and Multiagent Systems (AAMAS 2009), pp.1171-1172, Budapest, Hungary, May 2009.
Dai Hasegawa, Rafal Rzepka, Kenji Araki, "Teaching a Humanoid Robot through Physical Feedback: So Easy Even a Five Year Old Could Use It", Proceedings of the 19th Intelligent System Symposium (FAN2009) and the 1st International Workshop on Aware Computing (IWAC2009)
Pawel Dybala, Michal Ptaszynski, Rafal Rzepka and Kenji Araki: Humorized Computational Intelligence towards User-Adapted Systems with a Sense of Humor , Proceedings of EvoInteraction 2009, pp.452-461, Tuebingen, Germany, April 2009.
Rafal Rzepka, Masafumi Matsuhara, Yasutomo Kimura, Keiichi Takamaru, Hideyuki Shibuki and Koji Murakami, Toward Automatic Support For Japanese Lay Judge System - Processing Precedent Factors For Sentencing Trends Discovery (Proceedings of NTCIR-7's MuST track, pp.563-570, Dec 2008)
Michal Ptaszynski, Pawel Dybala, Wenhan Shi, Rafal Rzepka and Kenji Araki: How to find love in the Internet? Applying Web mining to affect recognition from textual input (Proceedings of the 2008 Empirical Methods for Asian Languages Processing Workshop (EMALP'08) at The Tenth Pacific Rim International Conference on Artificial Intelligence (PRICAI'08), pp. 67-79, Hanoi, Vietnam, December 2008)
Michal Ptaszynski, Pawel Dybala, Michal Ptaszynski, Shinsuke Higuchi, Rafal Rzepka and Kenji Araki: Affect-as-Information Approach to a Sentiment Analysis Based Evaluation of Conversational Agents (Proceedings of the 2008 International Conference on Intelligent Agents, Web Technologies & Internet Commerce [IAWTIC'08], pp. 896-901, Vienna, Austria, December 2008)
Keiichi Takamaru, Hideyuki Shibuki, Rafal Rzepka, Masafumi Matsuhara, Koji Murakami, and Yasutomo Kimura: Proposal of Precedents Processing System for Supporting Japanese Lay Judges (Proceedings of ISUC 2008, pp.358-362, Dec 2008)
Michal Ptaszynski, Pawel Dybala, Shinsuke Higuchi, Rafal Rzepka and Kenji Araki: Affect as Information about Users' Attitudes to Conversational Agents (Second International Workshop on Human Aspects in Ambient Intelligence - HAI'08; in Proceedings of the 2008 IEEE/WIC/ACM International Conference on Web Intelligence and Intelligent Agent Technology [WI-IAT'08], pp. 459-500, Sydney, Australia, December 2008)
Michal Ptaszynski, Pawel Dybala, Wenhan Shi, Rafal Rzepka and Kenji Araki: Disentangling emotions from the Web. Internet in the service of affect analysis (Proceedings of the Second International Conference on Kansei Engineering & Affective Systems KEAS'08, pp 51-56, Nagaoka, Japan, November 2008)
Shinsuke Higuchi, Rafal Rzepka and Kenji Araki: A Casual Conversation System Using Modality and Word Associations Retrieved from the Web (Proceedings of the 2008 Conference on Empirical Methods in Natural Language Processing, pp. 382-390, Honolulu, USA, October 2008)
Rafal Rzepka, Shinsuke Higuchi, Michal Ptaszynski, Kenji Araki: Straight Thinking Straight from the Net - On the Web-based Intelligent Talking Toy Development (The Proceedings of the IEEE International Conference on Systems, Man and Cybernetics (SMC'08), pp. 2172-2176, Singapore, October 2008)
Michal Ptaszynski, Pawel Dybala, Rafal Rzepka and Kenji Araki: Double Standpoint Evaluation Method for Affect Analysis Systems (the 22nd Annual Conference of Japanese Society for Artificial Intelligence (JSAI 2008), CD-ROM Proceedings 2P2-07, Asahikawa, Japan, June 2008)
Pawel Dybala, Michal Ptaszynski, Rafal Rzepka, and Kenji Araki: Extracting Dajare Candidates from the Web - Japanese Puns Generating System as a Part of Humor Processing Research (Proceedings of LIBM'08 First International Workshop on Laughter in Interaction and Body Movement, pp. 46-51, June 2008)
Dai Hasegawa, Jonas Sjobergh, Rafal Rzepka and Kenji Araki: Are Body Movements Really Important for Joke Systems? Comparing Different Styles of Joke Performance (Proceedings of LIBM'08 First International Workshop on Laughter in Interaction and Body Movement, pp. 8-13, June 2008)
Rafal Rzepka, Hideyuki Shibuki, Yasutomo Kimura, Keiichi Takamaru, Masafumi Matsuhara and Koji Murakami: Judicial Precedents Processing Project for Supporting Japanese Lay Judge System (Workshop on Semantic Processing of Legal Texts, LREC2008, pp.33-41, Marrakech, Morocco, May 2008)
Yasutomo Kimura, Kenji Ishida, Hirotaka Imaoka, Fumito Masui, Keisuke Kameyama, Rafal Rzepka and Kenji Araki: How We Did How, What and Why - HOMIO's Participation in QAC4 of NTCIR-6 (Proceedings of NTCIR-6 Workshop Meeting, pp.483-486, Tokyo, Japan, 2007)
Rafal Rzepka and Kenji Araki: Consciousness of Crowds - The Internet As a Knowledge Source of Human’s Conscious Behavior and Machine Self-Understanding ("AI and Consciousness: Theoretical Foundations and Current Approaches , Papers from AAAI Fall Symposium, Technical Report, pp.127-128, Arlington, USA, November 2007).
Rafal Rzepka and Kenji Araki: What About Tests In Smart Environments? On Possible Problems With Common Sense In Ambient Intelligence (Proceedings of 2nd Workshop on Artificial Intelligence Techniques for Ambient Intelligence, IJCAI'07, pp.92-96, Hyderabad, India, 2007)
Yasutomo Kimura, Kenji Ishida, Hirotaka Imaoka, Fumito Masui, Marcin Skowron, Rafal Rzepka, Kenji Araki: Three Systems and One Verifier - HOKUM's Participation in QAC3 of NTCIR-5 (Proceedings of NTCIR-5 Workshop Meeting, pp.402-408, Tokyo, Japan, Dec. 6-9, 2005)
Rafal Rzepka, Kenji Araki: What Statistics Could Do for Ethics? - The Idea of Common Sense Processing Based Safety Valve (Machine Ethics, Papers from AAAI Fall Symposium, Technical Report FS-05-06, pp. 85-87, Arlington, USA, November 2005)
Rafal Rzepka, Yali GE, Kenji Araki: Naturalness of an Utterance Based on the Automatically Retrieved Commonsense (Proceedings of IJCAI 2005 - Nineteenth International Joint Conference on Artificial Intelligence, Edinburgh, Scotland, August 2005)
Rafal Rzepka, Kenji Araki: Commonsense Retrieval as an Aid for Easier Conversation-based Language Acquisition (Proceedings of Workshop on Computational Modeling of Lexical Acquisition, Split, Croatia, July 2005)
Rafal Rzepka, Kenji Araki, Koji Tochinai, "Ideas for the Web-Based Affective Processing, Proceedings of the Seventh Multi-Conference on Systemics, Cybernetics and Informatics; vol. XIV Computer Science, Engineering Applications, Orlando, Florida, USA, 376-381. 2003 (Best Paper Award)🏆
Rzepka Rafal, Kenji Araki and Koji Tochinai : Is It Out There? The Perspectives of Emotional Information Retrieval from the Internet Resources (Proceedings of the IASTED Artificial Intelligence and Applications Conference, pp. 22-27, September, 2002, Malaga, Spain).
Rafal Rzepka, "Toward Safer World and Agent Modeling with Natural Semantic Metalanguage-based Controlled Cognition", The 39th Annual Conference of the Japanese Society for Artificial Intelligence, Session OS-4, May 2025
Rafal Rzepka and Kei Okada; "Simulating Perception With LLMs as Underpinnings for More Controllable Knowledge Acquisition", AGI-028, 28th Symposium of JSAI Special Interest Group for Artificial General Intelligence, Yokohama, 2024
Don Divin Anemeta; Rafal Rzepka, "Cross-Cultural Perception of Child Safety: A Dataset of Annotated Hazards in Everyday Environments", Language Acquisition and Understanding Symposium, Kushiro, Japan, 2024.
Rafal Rzepka, Kacper Dudzic, Arisa Abe, Kenji Araki: "DanSto - Japanese Dataset of Short Stories for Evaluating Context Understanding", Technical Report of JSAI Special Interest Group for Artificial General Intelligence SIG-AGI-026-06, 2024
Rafal Rzepka, Don Divin Anemeta and Kenji Araki: "Web-Based Five Senses Input Simulation Twenty Years Later -- in the Era of LLMs", Technical Report of JSAI Special Interest Group for Artificial General Intelligence, SIG-AGI-025-07, 25 November, 2023
Huizhong Ji, Rafal Rzepka and Kenji Araki: “Influence of Person’s Names on Large Language Model Recommendations in Daily-Life Scenarios”, LAU Technical Reports, Vol.2023, No.13, pp.11-20, Hokkaido University, 2023.
Rafal Rzepka, "Large Language Models - Sophisticated Autocomplete Tools or a Big Step Towards AGI?", Third Wave of AGI Workshop panel, SIG-AGI-022-02, Keio University, Yagami Campus (hybrid), 2022.11.22
Liu Xiaodong, Rzepka Rafal and Araki Kenji: “Cost-Friendly Feature-based Approach for Paraphrase Identification”, 音声言語および自然言語処理シンポジウム，2020.12.3
白藤大幹，Rafal Rzepka，荒木健治：Unsupervised summarization of arguments toward key point generation with Sentence-BERT-based method，ARG Web インテリジェンスとインタラクション研究会第16回研究会予稿集，pp.19-24，2020. [萌芽研究賞]
白藤大幹，Rafal Rzepka，荒木健治：Mapping arguments to key point: Match Scoring of arguments using sentence embedding and MoverScore without labelled data，ARG Web インテリジェンスとインタラクション研究会第16回研究会予稿集，pp.31-36，2020. [萌芽研究賞]
Rafal Rzepka, Sho Takishita and Kenji Araki: “Language Model-based Context Augmentation for World Knowledge Bases”, Proceedings The 34th Annual Conference of the Japanese Society for Artificial Intelligence, 2D6-OS-18c-03, 2020.
Rafal Rzepka, Sho Takishita and Kenji Araki. "Bacteria Lingualis on BERToids - Concept Expansion for Cognitive Architectures”, Technical Report of JSAI Special Interest Group for Artificial General Intelligence, SIG-AGI-014-10, 20 February, 2020.
Xiaodong Liu, Rafal Rzepka, Kenji Araki: Creating Reverse Dictionary of English Idiomatic Expressions by Mapping Word Embeddings to Singular Vectors. Technical Report of JSAI Special Interest Group for Interactive Information Access and Visualization, SIG-AM 7, 23 November, 2019, Yokohama, Japan.
Da Li, Rafal Rzepka, Michal Ptaszynski and Kenji Araki, “Convolutional Neural Network for Chinese Sentiment Analysis Considering Chinese Slang Lexicon and Emoticons.”, Proceedings The 33th Annual Conference of the Japanese Society for Artificial Intelligence, 2E4-OS-9-04, 2019.
Rafal Rzepka, Sho Takishita and Kenji Araki. "Unicorn Story Generation and Limits of Words ― On Perspectives of Automatic Tacit Knowledge Addition”, Technical Report of JSAI Special Interest Group for Artificial General Intelligence, SIG-AGI-011-10, 15 March, 2019.
吉川和, 金子貴美, 岩倉友哉, 吉田宏章, 熊野康孝, 嶋田和孝, Rafal Rzepka, Patrycja Swieczkowska, ”コーパス作成における専門性を考慮した作業者割当ての提案と化学分野での評価” (Proposal of workers assignment considering their expertise for corpus creation and evaluation in the chemistry domain)，B4-3, 2019.
Mateusz Babieno, Sho Takishita, Rafal Rzepka and Kenji Araki: Retrieving Metaphorical Sentences from Japanese Literature Using Standard Text Classification Methods，人工知能学会第2種研究会 ことば工学研究会資料, SIG-LSE-B803-10, pp.51-59, 2018.
首藤聖矢，ジェプカ・ラファウ，荒木健治：常識的知識の自動評価手法及び英日辞書を用いたConceptNetの拡張，ARG Web インテリジェンスとインタラクション研究会第１３回研究会予稿集, pp.59-60, 2018.
卜部 有記, ジェプカ ラファウ, 荒木 健治: 複数の感情の種類と選択履歴に基づいた顔文字推薦システムにおける推薦精度低下の要因 (Factors of the Recommendation Accuracy Increase in Emoticon Recommendation System Based on Multiple Emotional Categories and Selection History). 2018 Joint Convention Record, the Hokkaido Chapters of the Institutes of Electrical and Information Engineers, Japan; paper 125, 27 October 2018.
Mateusz Babieno, Rafal Rzepka, Sho Takishita, Kenji Araki: "Utilizing Figurative Language Examples for Recognizing Japanese Sentences with Metaphors". 2018 Joint Convention Record, the Hokkaido Chapters of the Institutes of Electrical and Information Engineers, Japan; paper 134, 27 October 2018.
大林明彦，ジェプカ・ラファウ，機微技術の判定支援のための対話型システムに向けて(Towards a Dialog System Supporting Determination of Sensitive Technologies) 産学連携学会 第16回大会 (The 16th Annual Meeting of Japan Society for Intellectual Production), June 14-15, 2018.
Da Li, Rafal Rzepka and Kenji Araki, “Preliminary Analysis of Weibo Emojis for Sentiment Analysis of Chinese Social Media.”, Proceedings The 32th Annual Conference of the Japanese Society for Artificial Intelligence, 1J3-04, 2018.
Rafal Rzepka, Da Li and Kenji Araki, “First Trials with Culture-Dependent Moral Commonsense Acquisition”, Proceedings The 32th Annual Conference of the Japanese Society for Artificial Intelligence, 1F2-OS-5a-05, 2018.
三橋 奎太, ジェプカ・ラファウ, 荒木 健治: 共起頻度と意味的特徴を用いた五感に関する知識の一般性評価手法(Generality Evaluation Method of Sensory Knowledge Using Co-Occurrence and Semantic Features)，第11回Webインテリジェンスとインタラクション研究会資料，ARG WI2 No.11 (WI2-2017-33), pp. 85-90, 2017.
三橋 奎太，ジェプカ ラファウ，荒木 健治：構文解析を用いた常識的感覚データベース構築のための知識獲得（Syntactic Analysis-based Method for Automatic Creation of Sensory-related Common Sense Knowledge Base），第１６回情報科学技術 FIT 2017, 12-14 September, 東京大学, Tokyo, 2017.
北原將平，ジェプカ ラファウ，荒木 健治: ”レビューテキストを対象としたハイブリッド型推薦手法におけるトピックモデルの有効性について ” (Effectiveness of Topic Model for Review Texts in Hybrid Model Recommendation Method )，Proceedings The 30th Annual Conference of the Japanese Society for Artificial Intelligence, 1K4-OS-06a-4in1, 2016.
卜部 有記，ジェプカ ラファウ，荒木 健治: ”ユーザの顔文字選択のプロセスからみた顔文字推薦手法の検討” (Study of Emoticon Selection Process for Future Emoticon Recommendation Systems), Proceedings The 30th Annual Conference of the Japanese Society for Artificial Intelligence, 3H3-OS-17a-2, 2016.
Rafal Rzepka, Urszula Jagla, Pawel Dybala and Kenji Araki: ”Influence of Emoticons and Adverbs on Affective Perception of Japanese Texts”, Proceedings The 30th Annual Conference of the Japanese Society for Artificial Intelligence, 1K4-3H4-OS-17b-3, 2016.
Tadashi Tanaka and Rafal Rzepka and Kenji Araki: "Effectiveness of Sentencing Estimation System Using Word Chunks Frequencies Based Lexical Similarity of Judicial Decisions (in Japanese)”, Proceedings of the 50th Language Sense Engineering SIG conference, SIG-LSE-B502, pp.1-6, 2015.
Kohei Matsumoto and Rafal Rzepka and Kenji Araki, “Automatic Judgement of Praiseworthy Acts Using Emotional Expression and Semantic Categories (in Japanese)”, Proceedings of the 50th Language Sense Engineering SIG conference, SIG-LSE-B502, pp.17--26}, 2015.
Satsuna Denzumi, Rafal Rzepka and Kenji Araki: ”Effectiveness of Haiku Seasonal Words for Season Estimation Algorithm (in Japanese), Proceedings of the 50th Language Sense Engineering SIG conference SIG-LSE-B501, pp.37-42, 2015.
木村 泰知, ジェプカ ラファウ, 高丸 圭一 : "Radiobots型対話システムの提案” (Proposal of Radiobots based Spoken Dialogue System), JSAI2015, 2L4-OS-07a-2, 2015年5月.
伝住颯夏, ジェプカラファウ, 荒木健治: “季語を用いた作品季節推定システムの評価” (Performance Evaluation of Season Estimation System Using Seasonal Haiku Indicators). 言語処理学会第21回年次大会予稿集, pp. 36-39, 2015.
Krawczyk Marek, Rafal Rzepka and Kenji Araki: “Extracting ConceptNet Knowledge Triplets from Japanese Wikipedia”, 言語処理学会第21回年次大会予稿集, pp. 1052-1055, 2015.
北嶋志保, ジェプカ ラファウ, 荒木 健治: "手がかり語の追加による薬剤情報抽出システムにおける有効性" （"Effectiveness of Increasing Clue Words on System for Drug Effects Extraction"）, 電気・情報関係学会北海道支部連合大会，講演番号111，2014.
伝住 颯夏, ジェプカ ラファウ, 荒木 健治: "人物・場所・時間情報を用いた内容依存推薦システムの評価", ("Performance Evaluation for Content based Recommendation System Using Person, Place, and Time Information") , 電気・情報関係学会北海道支部連合大会，講演番号112，2014.
Michal Ptaszynski, Fumito Masui, Rafal Rzepka, Kenji Araki: “First Glance on Pattern-based Language Modeling”, 言語獲得と理解研究会報告 2014-8, pp. 1-4, 2014.
Radoslaw Komuda, Rafal Rzepka and Kenji Araki: “Cyber-bullying as an impediment in the dynamic morality algorithm development”, 言語獲得と理解研究会報告 2014-8, pp. 5-9, 2014.
谷津元樹，ジェプカ ラファウ，荒木健治：“汎用的な対話システムにおけるドメイン検出のための複合的手法”，第28回ファジィシステムシンポジウム講演論文集 pp. 420-425, 2012
Michal Sylwester, Rafal Rzepka, Kenji Araki: Words in Context - Explaining Foreign Expressions with Sample Sentences (Language Acquisition and Understanding Research Group Technical Reports, Summer 2012, pp. 7-13, Sapporo, August 2012).
Rafal Rzepka and Kenji Araki: "Polarization of consequence expressions for an automatic ethical judgment based on moral stages theory", in IPSJ SIG Notes 2012-NL-207(14), 1-4 (2012)
Michal Mazur, Rafal Rzepka Kenji Araki: "Mixing Words and Emotions - New Natural Methods for Artificial Language Tutors", International Organized Session "Alan Turing Year Special Session on AI Research That Can Change The World", JSAI 2012, paper No 3P2-IOS-2b-1 (2012)
Svetoslav Dankov, Rafal Rzepka and Kenji Araki: "Augmenting Interaction: implementing effective interaction models for AR objects", International Organized Session "Alan Turing Year Special Session on AI Research That Can Change The World", JSAI 2012, paper No 3P1-IOS-2a-4 (2012)
Pawel Dybala, Michal Ptaszynski, Rafal Rzepka, Kenji Araki and Kohichi Sayama: "Beyond Conventional Recognition: Concept of a Conversational System Utilizing Metaphor Misunderstanding as a Source of Humor", International Organized Session "Alan Turing Year Special Session on AI Research That Can Change The World", JSAI 2012, paper No 3P1-IOS-2a-5 (2012)
Rafal Rzepka, Tyson Roberts and Kenji Araki : "Simplifying Text Processing with Grammatically Aware Regular Expressions", In Proceedings of The Eighteenth Annual Meeting of The Association for Natural Language Processing (NLP-2012), pp. 867-870, Hiroshima, Japan, March 14-16, 2012.
Michal Ptaszynski, Rafal Rzepka, Kenji Araki and Yoshio Momouchi : “Annotating Syntactic Information on 5.5 Billion Word Corpus of Japanese Blogs”, In Proceedings of The Eighteenth Annual Meeting of The Association for Natural Language Processing (NLP-2012), pp. 385-388, Hiroshima, Japan, March 14-16, 2012.
Michal Ptaszynski, Pawel Dybala, Rafal Rzepka, Kenji Araki and Yoshio Momouchi : “Annotating Affective Information on 5.5 Billion Word Corpus of Japanese Blogs”, In Proceedings of The Eighteenth Annual Meeting of The Association for Natural Language Processing (NLP-2012), pp. 405-408, Hiroshima, Japan, March 14-16, 2012.
Michal Ptaszynski, Rafal Rzepka, Kenji Araki and Yoshio Momouchi : “A Robust Ontology of Emotion Objects”
In Proceedings of The Eighteenth Annual Meeting of The Association for Natural Language Processing (NLP-2012), pp. 719-722, Hiroshima, Japan, March 14-16, 2012.
Michal Ptaszynski, Rafal Rzepka, Kenji Araki and Yoshio Momouchi : “A Survey on Large Scale Web Based Corpora”
In Proceedings of The Eighteenth Annual Meeting of The Association for Natural Language Processing (NLP-2012), pp. 1240-1243, Hiroshima, Japan, March 14-16, 2012.
Svetoslav Dankov, Rafal Rzepka, Kenji Araki: "Interactive augmented reality games for knowledge acquisition", in Proceedings of the 4th Rakuten Symposium, paper No. RRDS4-022, 2011.
Michal Ptaszynski, Rafal Rzepka, Kenji Araki and Yoshio Momouchi: “SPEC - Sentence Pattern Extraction and Analysis Architecture”, In Proceedings of The Seventeenth Annual Meeting of The Association for Natural Language Processing (NLP-2011), pp. 667-670, Toyohashi, Japan, March 7-11, 2011.
Michal Ptaszynski, Rafal Rzepka, Kenji Araki and Yoshio Momouchi: “Research on Emoticons: Review of the Field and Proposal of Research Framework”, In Proceedings of The Seventeenth Annual Meeting of The Association for Natural Language Processing (NLP-2011), Organized Session on Un-Natural Language Processing, pp. 1159-1162, Toyohashi, Japan, March 7-11, 2011.
Michal Ptaszynski, Rafal Rzepka and Kenji Araki, On the Need of Context Processing in Affective Computing, In Proceedings of the 26th Fuzzy System Symposium (FSS2010), Organized Session on Emotions, pp. 920-924, 2010.
Pawel Dybala, Michal Ptaszynski, Rafal Rzepka, Kenji Araki, PUNDA Numbears: Proposal of Goroawase Generating System for Japanese, In: Proceedings of the 16th Annual Conference of The Japanese Society for Natural Language Processing (NLP2010), pp. 345-348, Tokyo, Japan, March 2010.
Michal Ptaszynski, Pawel Dybala, Rafal Rzepka and Kenji Araki: Towards Fully Automatic Emoticon Analysis System (^o^), In Proceedings of The Fifteenth Annual Meeting of The Association for Natural Language Processing (NLP-2010), pp. 583-586, 2010.
高橋瑞希, Rafal Rzepka, 荒木健治: “Web検索と単語n-gramモデルを用いた文生成手法の性能評価, 言語処理学会第16回年次大会(NLP2010)発表論文集, pp. 391-394, 2010.
Pawel Dybala, Michal Ptaszynski, Rafal Rzepka, Kenji Araki When Should Computers Joke? - Concept of Emotiveness Analysis Based Timing Algorithm for Humor-Equipped Conversational Systems 言語処理学会第14回年次大会(NLP2008)発表論文集CD-ROM (NLP-2009), pp.542-545, 03.2009
Michal Ptaszynski, Pawel Dybala, Rafal Rzepka, Kenji Araki Contextual Valence Shifters Supporting Affect Analysis of Utterances in Japanese 言語処理学会第15回年次大会 発表論文集 / Proceedings of The Fifteenth Annual Meeting of The Association for Natural Language Processing, pp.825-828, 言語処理学会 / The Association for Natural Language Processing, Tokyo (2009.03.02)
今井 健太，ジェプカ ラファウ，荒木 健治: 複数対話システムの応答候補からの最適な応答の選択手法 (平成２０年度 電気・情報関係学会北海道支部連合大会講演論文集, pp. 256, 2008)
施文翰，Rafal Rzepka，荒木健治: 因果関係を用いたユーザ入力文から感情情報の推測 (Emotive Information Discovery from User Textual Input Using Causal Associations from the Internet) (第7回情報科学技術フォーラムFIT2008, 第2分冊, pp267-268, 2008)
高丸圭一，渋木英潔，木村泰知，松原雅文，Rafal Rzepka，村上浩司： 裁判員支援に向けた類似判例に基づく量刑可視化システムの提案 (Outline of Sentence Estimation System Based on Judicial Precedents for Supporting Lay Judges) (第7回情報科学技術フォーラムFIT2008, 第2分冊, pp233-234, 2008)
松原雅文，木村泰知，渋木英潔，高丸圭一，Rafal Rzepka，村上浩司: 裁判員支援に向けた新聞記事を対象とした刑事事件の性質に基づく量刑推定手法の提案(Sentence Estimation based on Features of Criminal Cases Retrieved from News Articles for Supporting Lay Judge) (第7回情報科学技術フォーラムFIT2008, 第2分冊, pp235-236, 2008)
木村泰知，渋木英潔，高丸圭一，松原雅文，Rafal Rzepka，村上浩司： 裁判員支援に向けた量刑推定に適した判例タグの構築 (Construction of Judicial Precedent Tag to Sentence for Supporting Lay Judges) (第7回情報科学技術フォーラムFIT2008, 第2分冊, pp237-238, 2008)
Svetoslav Dankov, Rafal Rzepka and Kenji Araki: Commonsense and context: a novel approach for automatic extraction of generic statements (the 22nd Annual Conference of Japanese Society for Artificial Intelligence (JSAI 2008), CD-ROM Proceedings 2P2-06, Asahikawa, Japan, June 2008)
松原雅文,木村泰知,渋木英潔,高丸圭一,Rzepka Rafal and 村上 浩司: 新聞記事を対象とした刑事事件の性質と量刑との関連性の可視化 [Masafumi Matsuhara, Yasutomo Kimura, Hideyuki Shibuki, Keiichi Takamaru, Rafal Rzepka and Koji Murakami: Relevance Visualization between Sentencing and Features of Criminal Cases Retrieved from News Articles"] (the 22nd Annual Conference of Japanese Society for Artificial Intelligence (JSAI 2008), CD-ROM Proceedings 3K3-05, Asahikawa, Japan, June 2008)
Michal Ptaszynski, Pawel Dybala, Rafal Rzepka and Kenji Araki: “Effective Analysis of Emotiveness in Utterances based on Features of Lexical and Non-Lexical Layer of Speech (言語処理学会第14回年次大会(NLP2008)発表論文集CD-ROM, pp 171-174, 2008)
Pawel Dybala, Rafal Rzepka and Kenji Araki: “Dajare Generating Support Tool - Towards Applicable Linguistic Humor Processing (言語処理学会第14回年次大会(NLP2008)発表論文集CD-ROM, pp 701-704, 2008)
Svetoslav Dankov, Rafal Rzepka, Kenji Araki: Automatic extraction of commonsense information from the web using contextual clues (人工知能学会 第68回 人工知能基本問題研究会 SIG-FPAI Technical Report, A701. pp.39-42 ME2007-204, 2007)
Michal Ptaszynski, Pawel Dybala, Wen Han Shi, Rafal Rzepka, Kenji Araki: Lexical Analysis of Emotiveness in Utterances for Automatic Joke Generation , 仕団法人映像情報メディア学会技術報告 ITE Technical Report, Vol. 31, No.47, pp.39-42 ME2007-204, 2007
Michal Ptaszynski, Koichi Sayama, Rafal Rzepka, Kenji Araki: A dynamic memory management system based on forgetting and recalling (2007 Joint Convention Record, the Hokkaido Chapters of the Institutes of Electrical and Information Engineers, pp.295-296, Japan; October 2007)
Pawel Dybala, Rafal Rzepka, Kenji Araki: Dajare Types and Individualised Sense of Humour- A Prelude to PUNDA Project (2007 Joint Convention Record, the Hokkaido Chapters of the Institutes of Electrical and Information Engineers, pp.293-294, Japan, October 2007)
Pawel Dybala, Rafal Rzepka, Kenji Araki: PUNDA Project - a Design For A Japanese Puns Generating System (Language Acquisition and Understanding Research Group Technical Reports, Summer 2007, pp. 6-11, Sapporo, August 2007).
Hasegawa Dai, Rafal Rzepka and Kenji Araki: ヒューマノイドロボットを用いた行動教示による接続語獲得手法の性能評価 (Evaluation of Connectives Acquisition Method For Humanoid Robot), the 21st Annual Conference of Japanese Society for Artificial Intelligence (JSAI 2007), Miyazaki, Japan, 2007)
Rafal Rzepka, Kenji Araki: Wisdom of Crowd as a Way to Universally Ethical Machine (Language Acquisition and Understanding Research Group Technical Reports vol. 2, Spring 2006, pp. 19-22, Sapporo, August 2007).
Rafal Rzepka, Yali Ge, Kenji Araki: Towards Systems Using WWW to Presume What Could and Would Have Happened (the 20th Annual Conference of Japanese Society for Artificial Intelligence, Tokyo, June 2006)
Hari Raghavacharya, Rafal Rzepka, Kenji Araki: Perspectives for the Historical Information Retrieval with Digitized Japanese Classical Manuscripts (the 20th Annual Conference of Japanese Society for Artificial Intelligence, Tokyo, June 2006)
Yali Ge, Rafal Rzepka, Kenji Araki: Machines Having Other Ideas than Ours? - Evaluation of a System Based on Commonsensical Knowledge Retrieved from the Web (Proceedings of Workshop on Emotions, Evaluation and Sentiment, a part of the NLP 2006 Conference, pp.25-28, Yokohama, March 2006)
Yali Ge, Rafal Rzepka, Kenji Araki: Emotion-Driven Common Sense Retrieval for More Natural Language Processing (Proceedings of Workshop on Emotions, Evaluation and Sentiment, a part of the NLP 2006 Conference, pp.49-52, Yokohama, March 2006)
Rafal Rzepka, Kenji Araki: Automatic First Utterance Creation Based on the Strongest Association Retrieved from WWW (the 19th Annual Conference of Japanese Society for Artificial Intelligence, Kita-Kyushu, June 2005)
Rafal Rzepka, Kenji Araki: Turing Test During Olympics and Minsky's Anger - Some Pros and Cons of Dialog Systems Competition (Proceedings of Workshop on "Thinking of Competitive Workshops", a part of the NLP 2005 Conference, Takamatsu, March 2005)
Yali Ge, Rafal Rzepka, Kenji Araki Does the Commonsense Depend on Culture? Results of Simple Scripts Retrieval from WWW (2004 Joint Convention Record, the Hokkaido Chapters of the Institutes of Electrical and Information Engineers, Japan; 222, pp.272-273 October 2004)
Rafal Rzepka, Toshihiko Itoh, Kenji Araki: Rethinking Plans and Scripts Realization in the Age of Web-mining [Webumainingu-no jidai-ni okeru puran oyobi sukuriputo jitsugen-no saikousatsu] (IPSJ SIG Technical Report 2004-NL-162, pp 11-18, Sapporo 2004)
Rafal Rzepka, Kenji Araki, Koji Tochinai: Automatic General Personality Generation Based on WWW (the 18th Annual Conference of Japanese Society for Artificial Intelligence, Kanazawa, 2004)
Rafal Rzepka, Kenji Araki, Koji Tochinai: Five Senses Input Simulation Based on Web Resources (Technical Report of Language Engineering Community Meeting [Kotoba kougaku kenkyuu-kai], August 2003, Kyoto, Japan)
Rafal Rzepka, Kenji Araki, Koji Tochinai: Prediction of the User’s Reply Using Emotional Information Retrieved from Internet Resources (IEEE Sapporo Branch Student Paper Contest 2002)
Rafal Rzepka, Kenji Araki, Koji Tochinai: Basic Idea of General Belief Retrieving Agent "GENTA" (The Winner of IEEE Sapporo Branch Student Paper Contest 2001)