Ribeka KEYAKI

contact address: 1404-1 Katakura, Hachioji, Tokyo, 192-0982 Japan

                                       School of Computer Science, Tokyo University of Technology

e-mail: keyakirbk[at]stf.teu.ac.jp

Current Position

Assistant professor

Areas of Specialization

computational linguistics; formal semantics; mathematical linguistics; natural language processing

Research Interests

generalized quantifiers, modality, anaphora, dependent type theory, dependent type semantics, natural language inference

Education

• Doctor of Science, Department of Computer Science, Graduate School of Humanities and Sciences, Ochanomizu University, Tokyo, March 2021.

• Master of Science, Department of Computer Science, Graduate School of Humanities and Sciences, Ochanomizu University, Tokyo, March 2015.

• Bachelor of Science, Department of Computer Science, Faculty of Science, Ochanomizu University, Tokyo, March 2013.

Publications [Google Scholar]

• Daisuke Bekki, Ribeka Tanaka, Yuta Takahashi. Integrating Deep Neural Network with Dependent Type Semantics. In Logic and Algorithms in Computational Linguistics 2021 (LACompLing2021), Studies in Computational Intelligence (SCI). Springer. (in printing)

• Daisuke Bekki, Ribeka Tanaka, Yuta Takahashi. Learning Knowledge with Neural DTS. In Proceedings of Natural Logic meets Machine Learning III (NALOMA'22), ESSLLI 2022 workshop, August 8-12 2022. (to appear)

• Fei Cheng, Shuntaro Yada, Ribeka Tanaka, Eiji Aramaki and Sadao Kurohashi. JaMIE: A Pipeline Japanese Medical Information Extraction System with Novel Relation Annotation, In Proceedings of the 13th International Conference on Language Resources and Evaluation (LREC 2022), pp.3724—3731, Marseille, France, June 2022.

• Taro Okahisa, Ribeka Tanaka, Takashi Kodama, Yin Jou Huang, and Sadao Kurohashi. Constructing a Culinary Interview Dialogue Corpus with Video Conferencing Tool, In Proceedings of the 13th International Conference on Language Resources and Evaluation (LREC 2022), pp.3131—3139, Marseille, France, June 2022.

• Takashi Kodama, Ribeka Tanaka, and Sadao Kurohashi. Construction of Hierarchical Structured Knowledge-based Recommendation Dialogue Dataset and Dialogue System, In Proceedings of the 2nd DialDoc Workshop on Document-grounded Dialogue and Conversational Question Answering, pp.83—92, May 2022.

• Daisuke Bekki, Ribeka Tanaka, Yuta Takahashi. Integrating Deep Neural Network with Dependent Type Semantics. In Proceedings of the Symposium Logic and Algorithms in Computational Linguistics 2021 (LACompLing2021), Axcel Ljungstrom, Roussanka Loukanova, Peter LeFanu Lumsdaine, Reinhard Muskens (eds.), p.37, Stockholm University, 2021, DiVA Portal for Digital Publications. December 2021.

• Ribeka Tanaka. Natural Language Quantification and Dependent Types. Ph.D. thesis, Ochanomizu University, 2021.

• Akiko Aizawa, Frederic Bergeron, Junjie Chen, Fei Cheng, Katsuhiko Hayashi, Kentaro Inui, Hiroyoshi Ito, Daisuke Kawahara, Masaru Kitsuregawa, Hirokazu Kiyomaru, Masaki Kobayashi, Takashi Kodama, Sadao Kurohashi, Qianying Liu, Masaki Matsubara, Yusuke Miyao, Atsuyuki Morishima, Yugo Murawaki, Kazumasa Omura, Haiyue Song, Eiichiro Sumita, Shinji Suzuki, Ribeka Tanaka, Yu Tanaka, Masashi Toyoda, Nobuhiro Ueda, Honai Ueoka, Masao Utiyama, and Ying Zhong. A System for Worldwide COVID-19 Information Aggregation. In Proceedings of the 1st Workshop on NLP for COVID-19 (Part 2) at EMNLP 2020, Online, December 2020.

• Wataru Sakata, Ribeka Tanaka, and Sadao Kurohashi. Constructing Transparent QA Chatbot based on the Official Website Documents. In Proceedings of the SIGIR 2020 Workshop on AIIS, co-located with the 43rd International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR 2020), July 2020.

• Shuntaro Yada, Ayami Joh, Ribeka Tanaka, Fei Cheng, Eiji Aramaki and Sadao Kurohashi. Towards a Versatile Medical-Annotation Guideline Feasible Without Heavy Medical Knowledge: Starting From Critical Lung Diseases. In Proceedings of the 12th International Conference on Language Resources and Evaluation (LREC2020), pp.4565--4572, Marseille, France, May 2020.

• Takashi Kodama, Ribeka Tanaka, and Sadao Kurohashi. Collection and Analysis of Meaningful Dialogue by Constructing a Movie Recommendation Dialogue System. In Proceedings of the 23rd Workshop on the Semantics and Pragmatics of Dialogue - Poster Abstracts, London, United Kingdom, September 2019.

• Wataru Sakata, Tomohide Shibata, Ribeka Tanaka, and Sadao Kurohashi. FAQ Retrieval using Query-Question Similarity and BERT-Based Query-Answer Relevance. In Proceedings of SIGIR2019: 42nd Intl ACM SIGIR Conference on Research and Development in Information Retrieval, July 2019.

• Ribeka Tanaka, Koji Mineshima, and Daisuke Bekki. Paychecks, Presupposition, and Dependent Types. In Proceedings of the Fifth Workshop on Natural Language and Computer Science (NLCS 2018), Oxford, UK, July 7, 2018.

• Ribeka Tanaka, Koji Mineshima, and Daisuke Bekki. Factivity and Presupposition in Dependent Type Semantics. Journal of Language Modeling 5(2), pp. 385--420, 2017.

• Ribeka Tanaka, Koji Mineshima, and Daisuke Bekki. On the interpretation of dependent plural anaphora in a dependently-typed setting. New Frontiers in Artificial Intelligence, pp. 123--137, Springer, 2017.

• Ribeka Tanaka, Koji Mineshima, and Daisuke Bekki. On the Interpretation of Dependent Plural Anaphora in a Dependently-typed Setting. In Proceedings of the 13th International Workshop on Logic and Engineering of Natural Language Semantics (LENLS13), Kanagawa, Japan, 2016.

• Koji Mineshima, Ribekata Tanaka, Pascual Martínez-Gómez, Yusuke Miyao, and Daisuke Bekki. Building compositional semantics and higher-order inference system for wide-coverage Japanese CCG parsers. In Proceedings of Conference on Empirical Methods in Natural Language Processing (EMNLP2016), pp. 2236--2242, Austin, United States, 2016.

• Ai Kawazoe, Ribeka Tanaka, Koji Mineshima, and Daisuke Bekki. An inference problem set for evaluating semantic theories and semantic processing systems for Japanese. In Proceedings of the 12th International Workshop on Logic and Engineering of Natural Language Semantics (LENLS12), pp. 67–-73, Kanagawa, Japan, 2015. 

• Ribeka Tanaka, Koji Mineshima, and Daisuke Bekki. Factivity and presupposition in Dependent Type Semantics. In Proceedings of TYpe Theory and LExical Semantics (TYTLES) in the 27th European Summer School in Logic, Language and Information (ESSLLI2015), Barcelona, Spain, 2015. 

• Ai Kawazoe, Ribeka Tanaka, Koji Mineshima, and Daisuke Bekki. A framework for constructing multilingual inference problem. In Proceedings of 1st International Workshop on the Use of Multilingual Language Resources in Knowledge Representation Systems (MLKRep2015), Vienna, Austria, 2015. 

• Ribeka Tanaka, Koji Mineshima, and Daisuke Bekki. Resolving modal anaphora in Dependent Type Semantics. In Tsuyoshi Murata, Koji Mineshima, and Daisuke Bekki, editors, New Frontiers in Artificial Intelligence: JSAI-isAI 2014 Workshops, LENLS, JURISIN, and GABA, Kanagawa, Japan, October 27-28, 2014, Revised Selected Papers, pp. 83–-98. Springer, 2015. 

• Ribeka Tanaka, Koji Mineshima, and Daisuke Bekki. Resolving modal anaphora in Dependent Type Semantics. In Proceedings of the 11th International Workshop on Logic and Engineering of Natural Language Semantics (LENLS11), pp. 43–-56, Tokyo, Japan, 2014. 

• Ribeka Tanaka. A proof-theoretic approach to generalized quantifiers in dependent type semantics. In Proceedings of the ESSLLI 2014 Student Session, pp. 140–-151, Tu ̈bingen, Germany, 2014. 

• Ribeka Tanaka, Yuki Nakano, and Daisuke Bekki. Constructive generalized quantifiers revisited. In Yukiko Nakano, Ken Satoh, and Daisuke Bekki, editors, New Frontiers in Artificial Intelligence: JSAI-isAI 2013 Workshops, LENLS, JURISIN, MiMI, AAA, and DDS, Kanagawa, Japan, October 27- 28, 2013, Revised Selected Papers, pp. 115–-124. Springer, 2014. 

• Ribeka Tanaka, Yuki Nakano, and Daisuke Bekki. Constructive generalized quantifiers revisited. In Proceedings of the 10th International Workshop on Logic and Engineering of Natural Language Semantics (LENLS10), pp. 69–- 78, Kanagawa, Japan, 2013. 

In Japanese

Talks

• Introduction to Dependent Type Semantics. Kyoto Linguistics Colloquium, Online, January 2022 (in Japanese).

• Testing natural language semantics based on inference and its applications.  Kyoto Linguistics Colloquium, Online, November 2021 (in Japanese).

• Interpretation of dependent pronouns and dependent types. New Landscapes in Theoretical Computational Linguistics, Ohio State University, United States, October 2016.

• Generalized quantifiers in Dependent Type Semantics. Guest lecture in the course "An Introduction to Dependent Type Semantics" at 28th European Summer School in Logic, Language, and Information (ESSLLI2016), Bolzano-Bozen, Italy, August 2016.

• Generalized quantifiers in Dependent Type Semantics. NYU Semantics Group, New York University, United States, October 2015.

• Generalized quantifiers in Dependent Type Semantics. Dynamic Semantics: Modern Type Theoretic and Category Theoretic Approaches, Ohio State University, United States, October 2015.

• A proof-theoretic approach to generalized quantifiers in Dependent Type Semantics. The Kyoto Summer School in Logic, Language and Information (KSSLLI), Kyoto University, August 2014.

Honors and Awards

• Ochanomizu University Ouinkai Research Award, May 2013.

• Ochanomizu University Best Achievement Award 2012, December 2012.

• Ochanomizu University Science and Math Student Support Project Outstanding Student Award, April 2012.

Activities

• Committee Member of IPSJ SIG (Special Interest Groups) on Natural Language Processing, Information Processing Society of Japan, 2021.4-2025.3

• Editorial Committee of IPSJ Magazine, Information Processing Society of Japan, 2021.4-2025.3.

• Program Committee Member of Logic and Engineering of Natural Language Semantics, 2021.4-2022.3 (LENLS18), 2022.4-2023.3 (LENLS19).

• Committee Member of Young Researcher Association for NLP studies (in Japan), 2017.4-2019.3.

Last updated: April, 2023