MURAWAKI Yugo

Associate Professor

Intelligence Science and Technology Course,
Department of Informatics,
Graduate School of Informatics,
Kyoto University
Yoshida-honmachi, Sakyo-ku, Kyoto, 606-8501, Japan

Phone: +81-75-753-5962
Fax: +81-75-753-5962
Email: murawaki (at) i (dot) kyoto-u (dot) ac (dot) jp

Research Interest

• Computational linguistic in general
• Computational/statistical approaches to historical linguistics, linguistic typology, dialectology, and other areas of linguistics
• Linguistic steganography

Education

• Ph.D. (Informatics), March 2011

  • Graduate School of Informatics, Kyoto University
  • Theme: Automatic Acquisition of Japanese Unknown Morphemes
  • Supervisor: Prof. Sadao Kurohashi

• M.S. (Informatics), March 2008

  • Graduate School of Informatics, Kyoto University
  • Master's Thesis: Automatic Acquisition of Lexicon from Real Texts Based on Morphological Constraints (in Japanese)
  • Supervisor: Prof. Sadao Kurohashi

• B.S. (Engineering), March 2006

  • Computer Science Course, School of Informatics and Mathematical Science, Faculty of Engineering, Kyoto University
  • Thesis: Automatic Extraction of Conversation Quanta, Focusing on Nonverbal Clues in a Meeting (in Japanese)
  • Supervisor: Prof. Toyoaki Nishida

Professional Experience

• August 2023 - Associate Professor -- Intelligence Science and Technology Course, Graduate School of Informatics, Kyoto University, Japan

• April 2023 - July 2023 Senior Lecturer -- Intelligence Science and Technology Course, Department of Informatics, Graduate School of Informatics, Kyoto University, Japan

• November 2020 - March 2023 Senior Lecturer -- Department of Intelligence Science and Technology, Graduate School of Informatics, Kyoto University, Japan

• April 2016 - October 2020 Assistant Professor -- Department of Intelligence Science and Technology, Graduate School of Informatics, Kyoto University, Japan

• January 2016 - March 2016 Program-Specific Assistant Professor -- Department of Intelligence Science and Technology, Graduate School of Informatics, Kyoto University, Japan

• October 2013 - December 2015 Assistant Professor -- Department of Advanced Information Technology, Graduate School and Faculty of Information Science and Electrical Engineering, Kyushu University, Japan

• April 2011 - September 2013 Program-Specific Assistant Professor -- Academic Center for Computing and Media Studies, Kyoto University, Japan

  Working on some research projects related to the CREST Research Area, "Creation of Human-Harmonized Information Technology for Convivial Society"

• September 2010 - March 2011 Research Assistant -- Academic Center for Computing and Media Studies, Kyoto University, Japan

  Working on some research projects related to the CREST Research Area, "Creation of Human-Harmonized Information Technology for Convivial Society"

• June 2010 - August 2010: Intern at Apple, Inc.

  • Mentor: Yasuo Kida
  • Theme: Development of statistical input methods

• April 2010 - May 2010: Office Assistant -- Academic Center for Computing and Media Studies, Kyoto University, Japan

  Working on some research projects related to the CREST Research Area, "Creation of Human-Harmonized Information Technology for Convivial Society"

• July 2009 - March 2010: Researcher -- GCOE Young Leader Fostering Program, Kyoto University, Japan

  • Theme: Natural Language Analysis with the Aid of Autonomous Knowledge Acquisition

  Results were presented at ICT Innovation 2010 in February 2010.

• April 2008 - March 2010: Research Assistant -- Kyoto University, Japan

  Working on some research projects related to the Global COE Program, "Information Technology to Promote the Circulation of Knowledge."

• February 2007 - August 2007: Developer -- Exploratory Software Project (ESP Youth) by the Information-technology Promotion Agency (IPA), Japan

  • Project Manager: Prof. Ikuo Takeuchi
  • Theme: Building a Morphological Analyzer for Cyrillic Mongolian

• August 2006 - September 2006: Intern -- Media and Information Research Laboratories, Central Research Laboratories, NEC, Japan

  Developed a prototype application of natural language understanding.

Membership in Academic Societies

• Association for Computational Linguistics
• Association for Natural Language Processing (Japan)
• Information Processing Society of Japan

Skills

• Natural languages: Japanese (native), English (TOEIC score: 860 (as of 2007)).
• Programming languages: Python, Perl, C, Java, JavaScript (ECMAScript).
  Developing mainly on Linux, with the experience of large scale (500+ nodes) parallel distributed computing.

Publications

Journal

• Yugo Murawaki. Bayesian Learning of Latent Representations of Language Structures. Computational Linguistics, 45 (2), June 2019.

• Masayuki Asahara, Hiroshi Kanayama, Yusuke Miyao, Takaaki Tanaka, Mai Omura, Yugo Murawaki and Yuji Matsumoto. Universal Dependencies Japanese Corpus. Journal of Natural Language Processing, Vol.26, No.1, March 2019. (in Japanese)

• Yugo Murawaki and Kenji Yamauchi. A Statistical Model for the Joint Inference of Vertical Stability and Horizontal Diffusibility of Typological Features. Journal of Language Evolution, 3 (1), January 2018.

• Yugo Murawaki. Spatial Structure of Evolutionary Models of Dialects in Contact. PLOS ONE, 10 (7), July 2015.

• Yugo Murawaki. Exploiting Inter-label Dependencies in Hierarchical Multi-Label Document Classification. Journal of Natural Language Processing, Vol.21, No.1, March 2014. (in Japanese)

• Yugo Murawaki and Sadao Kurohashi. Online Acquisition of Japanese Unknown Morphemes using Morphological Constraints. Journal of Natural Language Processing, Vol.17, No.1, January 2010. (in Japanese)

Conference

• Yu Tanaka, Yugo Murawaki, Daisuke Kawahara and Sadao Kurohashi. Building a Japanese Typo Dataset from Wikipedia's Revision History. In Proceedings of the 58th Annual Meeting of the Association for Computational Linguistics: Student Research Workshop (ACL 2020 SRW), pp. ???-???, online, July 2020. (to appear).
• Yudai Kishimoto, Yugo Murawaki and Sadao Kurohashi. Adapting BERT to Implicit Discourse Relation Classification with a Focus on Discourse Connectives. In Proceedings of the 12th Edition of the Language Resources and Evaluation Conference (LREC 2020), pp. 1152-1158, Marseille, France, May 2020. (to appear).
• Jun Saito, Yugo Murawaki and Sadao Kurohashi. Minimally Supervised Learning of Affective Events Using Discourse Relations. In Proceedings of the 2019 Conference on Empirical Methods in Natural Language Processing and the 9th International Joint Conference on Natural Language Processing (EMNLP-IJCNLP 2019), pp. 5752-5769, Hong Kong, November 2019.
• Hirokazu Kiyomaru, Kazumasa Omura, Yugo Murawaki, Daisuke Kawahara and Sadao Kurohashi. Diversity-aware Event Prediction based on a Conditional Variational Autoencoder with Reconstruction. In Proceedings of the First Workshop on Commonsense Inference in Natural Language Processing (COIN), pp. 113-122, Hong Kong, November 2019.
• Suzushi Tomori, Yugo Murawaki and Shinsuke Mori. A Hybrid Generative/Discriminative Model for Rapid Prototyping of Domain-Specific Named Entity Recognition. In 20th International Conference on Intelligent Text Processing and Computational Linguistics (CICLing 2019), 16 pages, La Rochelle, France, April 2019.
• Yugo Murawaki. Analyzing Correlated Evolution of Multiple Features Using Latent Representations. In Proceedings of the 2018 Conference on Empirical Methods in Natural Language Processing (EMNLP2018), pp. 4371-4382, Brussels, Belgium, November 2018.
• Yudai Kishimoto, Yugo Murawaki and Sadao Kurohashi. A Knowledge-Augmented Neural Network Model for Implicit Discourse Relation Classification. In Proceedings of COLING 2018, the 27th International Conference on Computational Linguistics: Technical Papers, pp. 584-595, Santa Fe, New Mexico, U.S., August 2018.
• Yudai Kishimoto, Shinnosuke Sawada, Yugo Murawaki, Daisuke Kawahara and Sadao Kurohashi. Improving Crowdsourcing-Based Annotation of Japanese Discourse Relations. In Proceedings of the 11th Edition of its Language Resources and Evaluation Conference (LREC 2018), pp. 4044-4048, Miyazaki, Japan, May 2018.
• Suguru Matsuyoshi, Hirotaka Kameko, Yugo Murawaki and Shinsuke Mori. Annotating Modality Expressions and Event Factuality for a Japanese Chess Commentary Corpus. In Proceedings of the 11th Edition of its Language Resources and Evaluation Conference (LREC 2018), pp. 2475-2481, Miyazaki, Japan, May 2018.
• Masayuki Asahara, Hiroshi Kanayama, Takaaki Tanaka, Yusuke Miyao, Sumire Uematsu, Shinsuke Mori, Yuji Matsumoto, Mai Omura and Yugo Murawaki. Universal Dependencies Version 2 for Japanese. In Proceedings of the 11th Edition of its Language Resources and Evaluation Conference (LREC 2018), pp. 1824-1831, Miyazaki, Japan, May 2018.
• Yugo Murawaki. Diachrony-aware Induction of Binary Latent Representations from Typological Features. In Proceedings of the 8th International Joint Conference on Natural Language Processing (IJCNLP 2017), pp. 451-461, Taipei, Taiwan, November 2017.
• Kenji Yamauchi and Yugo Murawaki. Contrasting Vertical and Horizontal Transmission of Typological Features. In Proceedings of the 26th International Conference on Computational Linguistics (COLING2016), pp. 836-846, Osaka, Japan, December 2016.
• Yugo Murawaki. Statistical Modeling of Creole Genesis. In Proceedings of the 2016 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies (NAACL-HLT 2016), pp. 1329-1339, San Diego, U.S., June 2016.
• Yugo Murawaki and Shinsuke Mori. Wikification for Scriptio Continua. In Proceedings of the 10th Edition of its Language Resources and Evaluation Conference (LREC 2016), pp. 1346-1351, Portorož, Slovenia, May 2016.
• Yugo Murawaki. Continuous Space Representations of Linguistic Typology and their Application to Phylogenetic Inference. In Proceedings of the 2015 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies (NAACL-HLT 2015), pp. 324-334, Denver, U.S., June 2015.
• Yugo Murawaki. Global Model for Hierarchical Multi-Label Text Classification, In 6th International Joint Conference on Natural Language Processing (IJCNLP 2013), pp. 46-54, Nagoya, Japan, October 2013.
• Yugo Murawaki and Sadao Kurohashi. Semi-Supervised Noun Compound Analysis with Edge and Span Features. In Proceedings of COLING 2012: Technical Papers, pp. 1915-1931, Mumbai, India, December 2012.
• Yugo Murawaki and Sadao Kurohashi. Non-parametric Bayesian Segmentation of Japanese Noun Phrases, In Proceedings of the 2011 Conference on Empirical Methods in Natural Language Processing (EMNLP2011), pp. 605-615, Edinburgh, UK, July 2011.
• Yugo Murawaki and Sadao Kurohashi. Semantic Classification of Automatically Acquired Nouns using Lexico-Syntactic Clues,. In COLING 2010: Posters, pp. 876-884, Beijing, China, August 2010.
• Yugo Murawaki, Sadao Kurohashi. Online Japanese Unknown Morpheme Detection using Orthographic Variation. In Proceedings of the Seventh conference on International Language Resources and Evaluation (LREC'10), pp. 832-839, Malta, May 2010.
• Yugo Murawaki and Sadao Kurohashi. Online Acquisition of Japanese Unknown Morphemes using Morphological Constraints. In Proceedings of the 2008 Conference on Empirical Methods in Natural Language Processing (EMNLP2008), pp. 429-437, Honolulu, Hawaiʻi, August 2008.

Book Chapters

• Yugo Murawaki. Linguistic Phylogeny. Encyclopedia of Culture and Information Science. pp. 85-91, 2019. (in Japanese).

Review Papers

• Yugo Murawaki. A Mathematical Model for the Historical Changes of Basic Word Order. Sugaku Seminar, Vol. 2020-03, pp. 36-40, 2020. (in Japanese).
• Yugo Murawaki. The Potential of Computational Approaches to Linguistic Phylogeny. Historical Linguistics, Vol. 7, pp. 77-91, 2018. (in Japanese).
• Yugo Murawaki. Statistical Approaches to Language Change and Linguistic Phylogenies. Proceedings of the Institute of Statistical Mathematics, Vol. 64, No. 2, 161-178, December 2016. (in Japanese).
• Yugo Murawaki. Computational Approaches to Understanding Linguistic Phylogenies. Artificial Intelligence, Vol. 31, No. 6, pp. 780-786, November 2016. (in Japanese).
• Shinsuke Mori, Nobuhiro Kaji, Yugo Murawaki and Itsumi Saito. Morphological Analysis, Information Processing, Vol. 57, No. 2, pp 10-11, December 2015. (in Japanese).
• Yugo Murawaki. Quick Report on Doctoral Theses Recommended by IPSJ SIGs: Automatic Acquisition of Japanese Unknown Morphemes, Information Processing, Vol. 53, No. 3, p. 289, February 2012. (in Japanese).

Unrefereed

• Yu Tanaka, Yugo Murawaki, Daisuke Kawahara and Sadao Kurohashi. Construction of a Japanese Typo Dataset Using Wikipedia's Revision History, In Proceedings of The 26th Annual Meeting of The Association for Natural Language Processing (NLP2020), pp. 1543-1546, online, March 2020. (in Japanese).
• Suzushi Tomori, Yugo Murawaki, Suguru Matsuyoshi, Hirotaka Kameko and Shinsuke Mori. Joint Learning for Modality Expression Recognition and Event Factuality Analysis, IPSJ SIG NL Technical Report 241, pp. 1-8, Otaru, August 2019 (in Japanese).
• Hrokazu Kiyomaru, Kazumasa Omura, Yugo Murawaki, Daisuke Kawahara and Sadao Kurohashi. Diversity-aware Event Prediction using a Conditional VAE, In Proceedings of The 25th Annual Meeting of The Association for Natural Language Processing (NLP2019), pp. 1531-1534, Nagoya, March 2019. (in Japanese).
• Hirotaka Kameko, Suguru Matsuyoshi, Yugo Murawaki and Shinsuke Mori. Preliminary Investigation of the Grounding Method of Epistemic Modality Expressions by Monte Carlo Simulation, In Proceedings of The 25th Annual Meeting of The Association for Natural Language Processing (NLP2019), pp. 731-734, Nagoya, March 2019. (in Japanese).
• Hiroki Nakagawa, Yugo Murawaki, Daisuke Kawahara and Sadao Kurohashi. Analyzing the Building Blocks of the Amusingness of Ogiri through Crowdsourcing, In Proceedings of The 25th Annual Meeting of The Association for Natural Language Processing (NLP2019), pp. 233-236, Nagoya, March 2019. (in Japanese).
• Yudai Kishimoto, Yugo Murawaki and Sadao Kurohashi. Implicit Discourse Relation Analysis using Common Sense Knoweldge, In Proceedings of The 24th Annual Meeting of The Association for Natural Language Processing (NLP2018), pp. 276-279, Okayama, March 2018. (in Japanese).
• Kosuke Tokitake, Yugo Murawaki and Sadao Kurohashi. Diachronic Analysis of Word Meanings using Gaussian Embeddings, In Proceedings of The 24th Annual Meeting of The Association for Natural Language Processing (NLP2018), pp. 61-64, Okayama, March 2018. (in Japanese).
• Yugo Murawaki. Analysis of Diachronic Changes of Basic Word Order Considering Dependencies between Features, In Proceedings of The 24th Annual Meeting of The Association for Natural Language Processing (NLP2018), pp. 57-60, Okayama, March 2018. (in Japanese).
• Suguru Matsuyoshi, Yugo Murawaki, Hirotaka Kameko and Shinsuke Mori. SCC-MEF: A Shogi Commentary Corpus Annotated with Modality Information, IPSJ SIG NL Technical Report, pp. 1-9, Miyakojima, October 2017 (in Japanese).
• Yugo Murawaki. Induction of Latent Binary Parameters from Linguistic Typological Features. In Proceedings of The 23rd Annual Meeting of The Association for Natural Language Processing (NLP2017), pp. 903-906, Tsukuba, March 2017. (in Japanese).
• Yudai Kishimoto, Shinnosuke Sawada, Yugo Murawaki, Daisuke Kawahara and Sadao Kurohashi. Improving the Annotation of Discourse Relations using Crowdsoursing. In Proceedings of The 23rd Annual Meeting of The Association for Natural Language Processing (NLP2017), pp. 819-822, Tsukuba, March 2017. (in Japanese).
• Yugo Murawaki. Mixture Models for Creole Genesis. In Proceedings of The 22nd Annual Meeting of The Association for Natural Language Processing (NLP2016), pp. 853-856, Sendai, March 2016. (in Japanese)
• Yugo Murawaki. Continuous Space Representations of Linguistic Typology and their Application to Phylogenetic Inference. In Proceedings of The 21st Annual Meeting of The Association for Natural Language Processing (NLP2015), pp. 337-340, Kyoto, March 2015. (in Japanese)
• Yugo Murawaki. Does the Lexicons of a Dialect Group Form a Phylogenetic Tree?. In the 9th Symposium for the Young Researcher Association for NLP Studies (YANS2014), 10 pages, Miura, September 2015. (in Japanese)
• Yugo Murawaki, Shunsuke Aihara, Taisuke Harada, Makoto Nagao and Kumiko Tanaka-Ishii. The Scoring Method for the Reverse Dictionary Makoto. In Proceedings of The 20th Annual Meeting of The Association for Natural Language Processing (NLP2014), pp. 396-399, Sapporo, March 2014. (in Japanese)
• Yugo Murawaki. Phrase-based TF-IDF: An Application of Noun Phrase Analysis, IPSJ SIG NL Technical Report 233, pp. 1-8, Yakushima, November 2013 (in Japanese).
• Yugo Murawaki and Sadao Kurohashi. Keyword Scoring Considering Internal Structures of Noun Phrases. In Proceedings of The 19th Annual Meeting of The Association for Natural Language Processing (NLP2013), pp. 516-519, Nagoya, March 2013. (in Japanese)
• Sadao Kurohashi Yoshiharu Shin, Tomohide Shibata, Yugo Murawaki and Daisuke Kawahara. Designing Unified and Consistent Maintenance of Japanese Lexical Knowledge. In Proceedings of The 19th Annual Meeting of The Association for Natural Language Processing (NLP2013), pp. 26-29, Nagoya, March 2013. (in Japanese)
• Yugo Murawaki, Yuya Kishimoto and Sadao Kurohashi. Katakana Compound Segmentation using Bayesian Learning. In Proceedings of The 18th Annual Meeting of The Association for Natural Language Processing (NLP2012), pp. 447-450, Hiroshima, March 2012. (in Japanese)
• Tomohide Shibata, Yugo Murawaki, Sadao Kurohashi and Daisuke Kawahara. Automatic Acquisition of Lexical Knowledge as the Basis for Real-world Text Analysis. In Proceedings of The 18th Annual Meeting of The Association for Natural Language Processing (NLP2012), pp. 81-84, Hiroshima, March 2012. (in Japanese)
• Yugo Murawaki Sadao Kurohashi. Automatic Acquisition of Japanese Unknown Words from Texts. In IEICE Tech. Rep. Vol. 111, No. 119, pp. 37-42, Tokyo, July 2011. (in Japanese)
• Yugo Murawaki and Sadao Kurohashi. Noun Phrase Segmentation using Hybrid Type-based Sampling. In Proceedings of The Seventeenth Annual Meeting of The Association for Natural Language Processing (NLP2011), pp. 564-567, Toyohashi, March 2011. (in Japanese)
• Yugo Murawaki and Sadao Kurohashi. Classification of Nouns Automatically Acquired from Text. In Proceedings of The Sixteenth Annual Meeting of The Association for Natural Language Processing (NLP2010), Tokyo, March 2010. (in Japanese)
• Yugo Murawaki and Sadao Kurohashi. Processing Real-time Web Text with the aid of Online Lexicon Acquisition. In Proceedings of The Sixteenth Annual Meeting of The Association for Natural Language Processing (NLP2010, poster), Tokyo, March 2010. (in Japanese)
• Yugo Murawaki and Sadao Kurohashi. Detecting Over-segmented Unknown Morphemes for Lexicon Acquisition. In Proceedings of The Fifteenth Annual Meeting of The Association for Natural Language Processing (NLP2009), pp. 324-327. Tottori, March 2009. (in Japanese)
• Yugo Murawaki and Sadao Kurohashi. Unknown Morphemes Acquisition using Morphological Constraints. In Proceedings of The Fourteen Annual Meeting of The Association for Natural Language Processing (NLP2008), pp. 805-808. Tokyo, March 2008. (in Japanese)
• Yugo Murawaki. Building Language Processing Base for Minority Languages: In the Case of Cyrillic Mongolian.In the Proceedings of the Forty-ninth Programming Symposium, pp. 141-148, Kanagawa, January 2008. (in Japanese)
• Yugo Murawaki and Sadao Kurohashi. Constructing Dynamic Ontology with Predicate-Argument Structure for Information Analysis. In Proceedings of The Thirteen Annual Meeting of The Association for Natural Language Processing (NLP2008), pp. 867-870. Shiga, March 2007. (in Japanese)

Awards

• Incentive award of the 9th Symposium of the Young Researcher Association for NLP Studies (2014)
• The Young Researcher Award of the 19th Annual Meeting of the Association for Natural Language Processing (2013)

Other Academic Activities

• ACM Transactions on Asian and Low-Resource Language Information Processing (TALLIP) - Associate Editor (2020-2022)
• Journal of Information Processing by the Information Processing Society of Japan - Editorial Committee member (2019-)
• 3rd Annual Meeting of the Japan Society for Digital Archive - Local Organizer
• Young Researcher Association for NLP Studies (YANS) - Program Committee (2016-2017)
• COLING 2016, the 26th International Conference on Computational Linguistics - Student Volunteer Coordinator (2016)
• Journal of Natural Language Processing by the Association for Natural Language Processing - Editorial Committee member (2015-2017, 2017-2019)
• Special Interest Group of Natural Language Processing (IPSJ-SIGNL) Information Processing Society of Japan - steering committee member (2015-2017, 2017-2019)
• 21st Annual Meeting of the Association for Natural Language Processing (NLP2015) - Co-proposer of the theme session "Mathmatical Approaches as a Means to Linguistic Inquiry" (2015)
• 20th Annual Meeting of the Association for Natural Language Processing (NLP2014) - Co-proposer of the theme session "Language Processing as a Means to Linguistic Inquir" (2014)
• 19th Annual Meeting of the Association for Natural Language Processing (NLP2013) - Program Committee (2013)
• 18th Annual Meeting of the Association for Natural Language Processing (NLP2012) - Program Committee (2012)

Last Update: June 11, 2020.