Naoki Yoshinaga (Dr)

Associate Professor (University of Tokyo)

ynaga (at) iis.u-tokyo.ac.jp

Employment, Education and Awards:

2016 - present:Associate Professor in Institute of Industrial Science, University of Tokyo
2014 - 2016:Senior Researcher at the National Institute of Information and Communications Technology (NICT)
2012 - 2016:Project Associate Professor in Institute of Industrial Science, University of Tokyo
2008 - 2012:Project Assistant Professor in Institute of Industrial Science, University of Tokyo
2005 - 2008:JSPS Research Fellow (PD) (10.0% (469/4689) accepted)
2002 - 2005:Ph.D in Computer Science, University of Tokyo
2002 - 2005:JSPS Research Fellow (DC1) (11.6% (260/2248) accepted)
2003 - 2004:Visiting researcher in the Department of Informatics at the University of Sussex
2000 - 2002:MSc in Information Science, University of Tokyo
1996 - 2000:BSc in Information Science, University of Tokyo

Awards:

Awards (as a supervisor):

Research Interests:

Research Grants

Research Experiences

2005 - 2008:JSPS project on Acquisition of Inference Rules from the Web using Lexicalized Grammars that Handle Diversity in Language
Project Leader
2003 - 2004: EU Project DeepThought -- Hybrid Deep and Shallow Methods for Knowledge-intensive Information Extraction
Visiting Researcher
2002 - 2005:JSPS project on Acquisition of Large-scale HPSG Grammars with Semantic Constraints and LTAG-based Syntax
Project Leader
2001 - 2005:JST CREST Project on Information Mobility
Member (Natural Language Processing Group)
1999 - 2001:JSPS Project on Natural Language Processing and Understanding
Member

Publications

Journal Articles

  1. Kazuhiko Yasuda, Naoki Yoshinaga, Masashi Toyoda and Masaru Kitsuregawa. Generating Diverse Adversarial Examples using Denoising Autoencoder. DBSJ Japanese Journal. vol. 18-J, num. 4. March, 2020. (In Japanese)

  2. Tatsuya Iwanari, Naoki Yoshinaga, Masashi Toyoda and Masaru Kitsuregawa. Inducing Writers' Values on Concept Ordering from Microblog. DBSJ Journal. vol. 16, num. 2. pp. 7-12. March, 2018.

  3. Shonosuke Ishiwatari, Nobuhiro Kaji, Naoki Yoshinaga, Masashi Toyoda, and Masaru Kitsuregawa. Translation of Word Vectors by Exploiting Translatable Context Pairs. Transactions of the Japanese Society for Artificial Intelligence. vol. 31, num. 4. 2016. (In Japanese)

  4. Takashi Kawamoto, Masashi Toyoda, and Naoki Yoshinaga. Detecting Information Cascades with Social Influence from Microblogs. IPSJ Transactions on Databases. vol. 70. 2016. (In Japanese)

  5. Toshiharu Nishina, Naoki Yoshinaga, Nobuhiro Kaji, Masashi Toyoda. On-Demand Acquisition of Knowledge on Concept Ordering. DBSJ Japanese Journal. vol. 13-J, num. 1. pp. 13--18. October, 2014. (In Japanese)

  6. Wenliang Gao, Nobuhiro Kaji, Naoki Yoshinaga, and Masaru Kitsuregawa. Collective Sentiment Classification based on User Leniency and Product Popularity. Journal of Natural Language Processing. vol. 21, num. 3. pp. 541--561. June, 2014.

  7. Yong Ren, Nobuhiro Kaji, Naoki Yoshinaga, and Masaru Kitsuregawa. Sentiment Classification in Under-Resourced Languages Using Graph-based Semi-supervised Learning Methods. IEICE Transactions on Information and Systems. vol. E97-D, num. 4. pp. 790--797. April, 2014.

  8. Toshiharu Nishina, Naoki Yoshinaga, Nobuhiro Kaji, Masashi Toyoda. Ordering Concepts by Using Concept-Adjective Co-occurrences. DBSJ Journal. vol. 12, num. 3. pp. 7-12. February, 2014. (In Japanese).

  9. Takayuki Hasegawa, Nobuhiro Kaji, Naoki Yoshinaga, and Masashi Toyoda. Predicting and Evoking Listener's Emotion in Online Dialogue. Transactions of the Japanese Society for Artificial Intelligence. vol. 29, num. 1. pp. 90--99. 2014. (In Japanese).

  10. Naoya Nakashima, Naoki Yoshinaga, Nobuhiro Kaji, Masashi Toyoda, and Masaru Kitsuregawa. Acquiring Time-specific Event Chains. DBSJ Journal. vol. 12, num. 1. pp. 103-108. June, 2013. (In Japanese).

  11. Yohei Takaku, Naoki Yoshinaga, Nobuhiro Kaji, Masashi Toyoda, and Masaru Kitsuregawa. Identifying Constant and Unique Relations by using Time-Series Texts. IEICE Transactions on Information and Systems. vol. J96-D, num. 3. pp. 411-422. March, 2013. (In Japanese).

  12. Masahiko Itoh, Naoki Yoshinaga, Masashi Toyoda, and Masaru Kitsuregawa. 3D Visualization System for Temporal Changes in Blog Users' Activities and Interests based on Dependency Analysis. IEICE Transactions on Information and Systems. vol. J95-D, num. 7. pp. 1454-1466. July, 2012. (In Japanese).

  13. Naoki Yoshinaga and Masaru Kitsuregawa. Efficient Classification with Conjunctive Features. Journal of Information Processing, Special Issue on IT Infrastructures for Info-plosion. vol. 20, num. 1. pp. 228--237. January, 2012.

  14. Hideaki Muramoto, Nobuhiro Kaji, Naoki Yoshinaga, Masaru Kitsuregawa. Semi-automatically Building Linguistic Resources for Word Sense Disambiguation of Web Text. Journal of Information Processing Society of Japan. vol. 52, num. 12. pp. 3338--3348. December, 2011. (In Japanese).

  15. Asuka Sumida, Naoki Yoshinaga, and Kentaro Torisawa. Hyponymy Relation Acquisition from Hierarchical Layouts in Wikipedia. Journal of Natural Language Processing. vol. 16, num. 3. pp. 3_3--3_24. July, 2009. (In Japanese).

  16. Shiro Tabuchi, Nobuhiro Kaji, Naoki Yoshinaga, and Masaru Kitsuregawa. Mining Word Sense from Large Corpora. DBSJ Journal. vol. 8, num. 1. pp. 77--82. June, 2009. (In Japanese).

  17. Naoki Yoshinaga and Kentaro Torisawa. Finding Specification Pages from the Web. Transactions of the Japanese Society for Artificial Intelligence. vol. 21, num. 6. pp. 493--501. 2006. (In Japanese).

  18. Naoki Yoshinaga, Yusuke Miyao, Kentaro Torisawa, and Jun'ichi Tsujii. Parsing Comparison across Grammar Formalisms using Strongly Equivalent Grammars. Journal of Traitement Automatique des Langues, Special Issue on Evolutions in Parsing. vol. 44, num. 3. pp. 15--39. 2003.

  19. Naoki Yoshinaga and Yusuke Miyao. Grammar Conversion from LTAG to HPSG. European Student Journal on Language and Speech, a special issue on the language sections of the 6th ESSLLI student session. 2002. Online journal available at http://hltheses.elsnet.org/eventpapers/essliproceed.htm

Refereed Conference & Workshop Papers

  1. Jin Sakuma and Naoki Yoshinaga. Multilingual model using cross-task embedding projection. Proceedings of the 23rd Conference on Computational Language Learning (CoNLL). Hong Kong. November, 2019 (Accepted)

  2. Masato Neishi and Naoki Yoshinaga. On the Relation between Position Information and Sentence Length in Neural Machine Translation. Proceedings of the 23rd Conference on Computational Language Learning (CoNLL). Hong Kong. November, 2019 (Accepted)

  3. Amane Sugiyama and Naoki Yoshinaga. Data augmentation using back-translation for context-aware neural machine translation. Proceedings of the fourth Workshop on Discourse in Machine Translation (DiscoMT). Hong Kong. November, 2019 (Accepted)

  4. Satoshi Akasaki, Naoki Yoshinaga, and Masashi Toyoda. Early Discovery of Emerging Entities in Microblogs. Proceedings of the 28th International Joint Conference on Artificial Intelligence (IJCAI). pp. 4882--4889. Macao, China. August, 2019

  5. Shonosuke Ishiwatari, Hiroaki Hayashi, Naoki Yoshinaga, Graham Neubig, Shoetsu Sato, Masashi Toyoda, Masaru Kitsuregawa. Learning to Describe Unknown Phrases with Local and Global Contexts. Proceedings of the 2019 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies (NAACL-HLT), pp. 3467--3476. Minneapolis, Minnesota. June, 2019

  6. Daisuke Oba, Naoki Yoshinaga, Shoetsu Sato, Satoshi Akasaki, and Masashi Toyoda. Modeling Personal Biases in Language Use by Inducing Personalized Word Embeddings. Proceedings of the 2019 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies (NAACL-HLT 2019), pp. 2102--2108. Minneapolis, Minnesota. June, 2019

  7. Jin Sakuma, and Naoki Yoshinaga. Cross-lingual Word Embeddings Based on Subword Alignment. Proceedings of the 20th International Conference on Intelligent Text Processing and Computational Linguistics (CICLing). La Rochelle, France. April, 2019

  8. Daisuke Oba, Naoki Yoshinaga, Shoetsu Sato, Satoshi Akasaki, and Masashi Toyoda. Understanding Interpersonal Variations in Word Meanings via Review Target Identification. Proceedings of the 20th International Conference on Intelligent Text Processing and Computational Linguistics (CICLing). La Rochelle, France. April, 2019

  9. Masahiko Itoh, Takeshi Sagara, Ukyo Suzuki, Kazutoshi Umemoto, Naoki Yoshinaga, Masashi Toyoda, Koji Zettsu, and Masaru Kitsuregawa. Information Integrated Visualization System for Heavy Rainfall Risk Analysis. Proceedings of the 11th IEEE Pacific Visualization Symposium (PacificVis). Kobe, Japan. August, 2018

  10. Masato Neishi, Jin Sakuma, Satoshi Tohda, Shonosuke Ishiwatari, Naoki Yoshinaga, and Masashi Toyoda. A Bag of Useful Tricks for Practical Neural Machine Translation: Embedding Layer Initialization and Large Batch Size. Proceedings of the 4th Workshop on Asian Translation (WAT 2017), pages 99--109. Taipei, Taiwan. November, 2017.

  11. Hongshan Jin, Masashi Toyoda, and Naoki Yoshinaga. Can Cross-Lingual Information Cascades Be Predicted on Twitter?. Proceedings of the 9th International Conference on Social Informatics (SocInfo 2017). pp. 457--472. Oxford, UK. September, 2017.

  12. Shoetsu Sato, Naoki Yoshinaga, Masashi Toyoda and Masaru Kitsuregawa. Modeling Situations in Neural Chat Bots Proceedings of the 55th Annual Meeting of the Association for Computational Linguistics Student Research Workshop (ACL 2017 SRW), pp. 120--127. Vancouver, Canada. August, 2017.

  13. Shonosuke Ishiwatari, Jingtao Yao, Shujie Liu, Mu Li, Ming Zhou, Naoki Yoshinaga, Masaru Kitsuregawa and Weijia Jia. Chunk-based Decoder for Neural Machine Translation Proceedings of the 55th Annual Meeting of the Association for Computational Linguistics (ACL 2017; long), pp. 1901--1912. Vancouver, Canada. August, 2017.

  14. Tatsuya Iwanari, Kohei Ohara, Naoki Yoshinaga, Nobuhiro Kaji, Masashi Toyoda and Masaru Kitsuregawa. Kotonush: Understanding Concepts Based on Values behind Social Media. In Proceedings of the 26th International Conference on Computational Linguistics (COLING) system demonstrations. pp. 292--296. Osaka, Japan. December, 2016.

  15. Masahiko Itoh, Naoki Yoshinaga, and Masashi Toyoda. Word-Clouds in the Sky: Multi-layer Spatio-temporal Event Visualization from a Geo-parsed Microblog Stream. In Proceedings of the 20th International Conference Information Visualisation (IV). pp. 282--289. Lisbon, Portugal. July, 2016.

  16. Tatsuya Iwanari, Naoki Yoshinaga, Nobuhiro Kaji, Toshiharu Nishina, Masashi Toyoda and Masaru Kitsuregawa. Ordering Concepts Based on Common Attribute Intensity. In Proceedings of the 25th International Joint Conference on Artificial Intelligence (IJCAI). pp. 3747--3753. New York City, NY, USA. July, 2016.

  17. Shonosuke Ishiwatari, Naoki Yoshinaga, Masashi Toyoda and Masaru Kitsuregawa. Instant Translation Model Adaptation by Translating Unseen Words in Continuous Vector Space. In Proceedings of the 17th International Conference on Intelligent Text Processing and Computational Linguistics (CICLing). Konya, Turkey. April, 2016.

  18. Masahiko Itoh, Naoki Yoshinaga, and Masashi Toyoda. Spatio-temporal Event Visualization from a Geo-parsed Microblog Stream. In Proceedings of the 21st ACM International Conference on Intelligent User Interfaces (IUI) (poster). pp. 58--61. Sonoma, CA, USA. March, 2016.

  19. Takashi Kawamoto, Masashi Toyoda, and Naoki Yoshinaga. Towards Early Detection of Socially Influential Information Cascade in Microblogs. WebDB Forum. Tokyo. November, 2015. (In Japanese)

  20. Shonosuke Ishiwatari, Nobuhiro Kaji, Naoki Yoshinaga, Masashi Toyoda and Masaru Kitsuregawa. Accurate Cross-lingual Projection between Count-based Word Vectors by Exploiting Translatable Context Pairs. In Proceedings of the 19th Conference on Computational Language Learning (CoNLL). pp. 300-304. Beijing, China, July, 2015.

  21. Shonosuke Ishiwatari, Nobuhiro Kaji, Naoki Yoshinaga, Masashi Toyoda and Masaru Kitsuregawa. Translating Vector Representations for Words using Language Resources on the Web.. WebDB Forum. Tokyo. November, 2014. (In Japanese)

  22. Naoki Yoshinaga and Masaru Kitsuregawa. A Self-adaptive Classifier for Efficient Text-stream Processing. In Proceedings of the 25th International Conference on Computational Linguistics (COLING). pp. 1091--1102. Dublin, Ireland. August, 2014.

  23. Toshiharu Nishina, Naoki Yoshinaga, Nobuhiro Kaji, and Masashi Toyoda. Ordering Concepts by Using Concept-Adjective Co-occurrences. WebDB Forum. Kyoto. November, 2013. (In Japanese).

  24. Wenliang Gao, Naoki Yoshinaga, Nobuhiro Kaji, and Masaru Kitsuregawa. Collective Sentiment Classification based on User Leniency and Product Popularity. In Proceedings of the 27th Pacific Asia Conference on Language, Information, and Computation (PACLIC). pp. 357-365. Taipei, Taiwan. November, 2013.

  25. Wenliang Gao, Naoki Yoshinaga, Nobuhiro Kaji, and Masaru Kitsuregawa. Modeling User Leniency and Product Popularity for Sentiment Classification. In Proceedings of the sixth International Joint Conference on Natural Language Processing (IJCNLP). pp. 1107-1111. Nagoya, Japan. October, 2013.

  26. Takayuki Hasegawa, Nobuhiro Kaji, Naoki Yoshinaga, and Masashi Toyoda. Predicting and Eliciting Addressee's Emotion in Online Dialogue. In Proceedings of the 51st Annual Meeting of the Association for Computational Linguistics (ACL). pp. 964-972. Sofia, Bulgaria. August, 2013.

  27. Yohei Takaku, Nobuhiro Kaji, Naoki Yoshinaga, and Masashi Toyoda. Identifying Constant and Unique Relations by using Time-Series Text. In Proceedings of the 2012 Conference on Empirical Methods in Natural Language Processing (EMNLP). pp. 883-892. Jeju, Korea. July, 2012.

  28. Masahiko Itoh, Naoki Yoshinaga, Masashi Toyoda, and Masaru Kitsuregawa. Analysis and Visualization of Temporal Changes in Bloggers' Activities and Interests. In Proceedings of the fifth IEEE Pacific Visualization Symposium (PacificVis). pp. 57--64. Songdo, Korea. March, 2012.

  29. Yong Ren, Nobuhiro Kaji, Naoki Yoshinaga, Masashi Toyoda, and Masaru Kitsuregawa. Sentiment Classification in Resource-Scarce Languages by using Label Propagation. In Proceedings of the 25th Pacific Asia Conference on Language, Information and Computation (PACLIC). pp. 420--429. Singapore. December, 2011.

  30. Masahiko Itoh, Naoki Yoshinaga, Masashi Toyoda and Masaru Kitsuregawa. 3D Visualization of Temporal Changes in Bloggers' Activities and Interests. In Proceedings of the IEEE Conference on Visual Analytics Science and Technology (IEEE VAST). pp. 283--284. Providence, RI, USA. October, 2011.

  31. Naoki Yoshinaga and Masaru Kitsuregawa. Kernel Slicing: Scalable Online Training with Conjunctive Features. In Proceedings of the 23rd International Conference on Computational Linguistics (COLING). pp. 1245--1253. Beijing, China. August, 2010.

  32. Nobuhiro Kaji, Yasuhiro Fujiwara, Naoki Yoshinaga and Masaru Kitsuregawa. Efficient Staggered Decoding for Sequence Labeling. In Proceedings of the 48th Annual Meeting of the Association for Computational Linguistics (ACL). pp. 485--494. Uppsala, Sweden. July, 2010.

  33. Naoki Yoshinaga and Masaru Kitsuregawa. Polynomial to Linear: Efficient Classification with Conjunctive Features. In Proceedings of the 2009 Conference on Empirical Methods in Natural Language Processing (EMNLP). pp. 1542--1551. Singapore. August, 2009.

  34. Naoki Yoshinaga. Towards Accurate Probabilistic Lexicons for Lexicalized Grammars. In Proceedings of the ninth International Workshop on Tree Adjoining Grammars and Related Formalisms (TAG+9). pp. 165--172. Tübingen, Germany. June, 2008.

  35. Asuka Sumida, Naoki Yoshinaga, and Kentaro Torisawa. Boosting Precision and Recall of Hyponymy Relation Acquisition from Hierarchical Layouts in Wikipedia. In Proceedings of the 6th International Conference on Language Resources and Evaluation (LREC). pp. 2462--2469. Marrakech, Morocco. May, 2008.

  36. Kazumasa Nakamura, Naoki Yoshinaga, and Kentaro Torisawa. A Writing-Support Environment using Attribute-Value Information Dynamically Acquired from the Web. In Proceedings of the Symposium on DataBases and Web Information Systems. Tokyo, Japan, November, 2007. (In Japanese).

  37. Naoki Yoshinaga and Kentaro Torisawa. Open-Domain Attribute-Value Acquisition from Semi-Structured Texts. In Proceedings of the OntoLex07 - From Text to Knowledge: The Lexicon/Ontology Interface held at the sixth ISWC workshop. pp. 55--66. Busan, South-Korea, November, 2007.

  38. Naoki Yoshinaga, Kazumasa Nakamura, and Kentaro Torisawa. A Novel Web-oriented Writing Environment using Objects' Facts Acquired from the Web. In Proceedings of the IEEE/WIC/ACM Web Intelligence Workshop on Intelligent Web Interaction. pp. 230--234. Silicon Valley, USA. November, 2007.

  39. Keiji Shinzato, Satoshi Sekine, Naoki Yoshinaga, and Kentaro Torisawa. Constructing Dictionaries for Named Entity Recognition on Specific Domains from the Web. In Proceedings of the Web Content Mining with Human Language Technologies workshop held at the fifth International Semantic Web Conference. Athens, GA, USA. November, 2006.

  40. Naoki Yoshinaga and Kentaro Torisawa. Finding Specification Pages According to Attributes. In Proceedings of the 15th International World Wide Web Conference (WWW), pp. 1021--1022. Edinburgh, UK. May, 2006.

  41. Naoki Yoshinaga. Improving the Accuracy of Subcategorizations Acquired from Corpora. In Proceedings of the 42nd Annual Meeting of the Association for Computational Linguistics (ACL) Student Research Workshop. pp. 43--48. Barcelona, Spain. July, 2004.

  42. Naoki Yoshinaga and Jun'ichi Tsujii. Generalizing Subcategorization Frames Acquired from Corpora using Lexicalized Grammars. In Proceedings of the Seventh International Workshop on Tree Adjoining Grammars and Related Formalisms (TAG+7). pp. 104--110. Vancouver, Canada. May, 2004

  43. Kenta Oouchida, Naoki Yoshinaga and Jun'ichi Tsujii. Context-Free Approximation of LTAG towards CFG Filtering. In Proceedings of the Seventh International Workshop on Tree Adjoining Grammars and Related Formalisms (TAG+7). pp. 171--177. Vancouver, Canada. May, 2004

  44. Naoki Yoshinaga, Kentaro Torisawa, and Jun'ichi Tsujii. Comparison between CFG Filtering Techniques for LTAG and HPSG. In Proceedings of the 41st Annual Meeting of the Association for Computational Linguistics (ACL) Interactive Poster/Demo Sessions. pp. 185--188. Sapporo, Japan. July, 2003.

  45. Akane Yakushiji, Yuka Tateisi, Yusuke Miyao, Naoki Yoshinaga, and Jun'ichi Tsujii. A Debug Tool for Practical Grammar Development. In Proceedings of the 41st Annual Meeting of the Association for Computational Linguistics (ACL) Interactive Poster/Demo Sessions, pp. 173--176. Sapporo, Japan. July, 2003.

  46. Naoki Yoshinaga, Yusuke Miyao, and Jun'ichi Tsujii. A Formal Proof of Strong Equivalence for a Grammar Conversion from LTAG to HPSG-style. In Proceedings of the Sixth International Workshop on Tree Adjoining Grammars and Related Formalisms (TAG+6). pp. 187--192. Venice, Italy. May, 2002

  47. Naoki Yoshinaga, Yusuke Miyao, Kentaro Torisawa and Jun'ichi Tsujii. Efficient LTAG Parsing using HPSG Parsers. In Proceedings of the Pacific Association for Computational Linguistics (PACLING). pp. 342--351. Kitakyusyu, Japan. September, 2001.

  48. Naoki Yoshinaga and Yusuke Miyao. Grammar Conversion from LTAG to HPSG. In Proceedings of the Sixth ESSLLI Student Session. pp. 309--324. Helsinki, Finland. August, 2001.

  49. Naoki Yoshinaga, Yusuke Miyao, Kentaro Torisawa and Jun'ichi Tsujii. Resource Sharing among HPSG and LTAG Communities by a Method of Grammar Conversion from FB-LTAG to HPSG. In Proceedings of ACL/EACL Workshop on Sharing Tools and Resources for Research and Education. pp. 39--46. Toulouse, France. July, 2001.

Other Papers

  1. Nobukazu Fukuda, Shoetsu Sato, Naoki Yoshinaga, and Masaru Kitsuregawa. Weakly-supervised Co-reference Resolution usign Internal Links in Wikipedia. Proceedings of the 25th Annual Meeting of the Association for Natural Language Processing. pp 1057--1060, Aichi. March, 2019 (In Japanese)

  2. Satoshi Tohda and Naoki Yoshinaga. Unsupervised Identification of Quotes in Literary Text. Proceedings of the 25th Annual Meeting of the Association for Natural Language Processing. pp. 1233--1236, Aichi. March, 2019 (In Japanese)

  3. Daisuke Oba, Shoetsu Sato, Satoshi Akasaki, Naoki Yoshinaga, and Masaru Toyoda. Towards Understanding Interpersonal Variations of Word Meanings in Language Use. Proceedings of the 25th Annual Meeting of the Association for Natural Language Processing. pp. 715--718, Aichi. March, 2019 (In Japanese)

  4. Masato Neishi and Naoki Yoshinaga. Comparison between Seq2Seq and Transformer in English-to-Japanese Translation Task Using Swap Models. Proceedings of the 25th Annual Meeting of the Association for Natural Language Processing. pp. 1117--1120, Aichi. March, 2019 (In Japanese)

  5. Jin Sakuma and Naoki Yoshinaga. Accurate Multilingual Model Using Cross-task Projection of Word Embeddings. Proceedings of the 25th Annual Meeting of the Association for Natural Language Processing. pp 225--228, Aichi. March, 2019 (In Japanese)

  6. Kazuhiko Yasuda, Naoki Yoshinaga, Masashi Toyoda, and Masaru Kitsuregawa. Generating Diverse Adversarial Samples Using Denoising Autoencoder. Proceedings of the 11th forum on Data Engineering and Information Management (DEIM). Nagasaki. March, 2019. (In Japanese)

  7. Sho Cho, Masashi Toyoda, and Naoki Yoshinaga. Towards Predicting Polarization of Topics in Microblogs. Proceedings of the 11th forum on Data Engineering and Information Management (DEIM). Nagasaki. March, 2019. (In Japanese)

  8. Diasuke Oba, Naoki Yoshinaga, Satoshi Akasaki, and Masashi Toyoda. Personal Biases in Language Expressions Based on Five Senses and their Correction. The 13rd NLP Symposium for Young Researchers. Okinawa. August, 2018. (In Japanese)

  9. Neishi Masato and Naoki Yoshinaga. Neural Machine Translation Using Multi-task training with Accurate Auto-encoders. The 13rd NLP Symposium for Young Researchers. Okinawa. August, 2018. (In Japanese)

  10. Jin Sakuma and Naoki Yoshinaga. Accurate Multilingual Model Using Task-specific Cross-Lingual Word Embeddings. The 13rd NLP Symposium for Young Researchers. Okinawa. August, 2018. (In Japanese)

  11. Kazuhiko Yasuda, Naoki Yoshinaga, Masashi Toyoda, and Masaru Kitsuregawa. Generative Model of Adversarial Samples for Expanding Training Data. The 13rd NLP Symposium for Young Researchers. Okinawa. August, 2018. (In Japanese)

  12. Satoshi Akasaki, Naoki Yoshinaga, and Masashi Toyoda. Discovery of Novel Entities from Social Media Streams. Proceedings of the 32nd Annual Conference of the Japanese Society for Artificial Intelligence. Kagoshima. June, 2018 (In Japanese)

  13. Kohei Ohara, Shoetsu Sato, Naoki Yoshinaga, Toyoda Masashi, and Masaru Kitsuregawa. Predicting Dialogue Acts of Responses in Online Dialogue using Hierarchical RNN. Proceedings of the 24th Annual Meeting of the Association for Natural Language Processing. pp 192--195, Okayama. March, 2018 (In Japanese)

  14. Shonosuke Ishiwatari, Hiroaki Hayashi, Naoki Yoshinaga, Graham Neubig, Masashi Toyoda, Masaru Kitsuregawa. Definition Generation from Word Vectors using Sequence Editing Models. Proceedings of the 24th Annual Meeting of the Association for Natural Language Processing. pp. 682--685, Okayama. March, 2018 (In Japanese)

  15. Jin Sakuma and Naoki Yoshinaga. Unsupervised Leraning of Cross-lingual Word Embeddings Exploiting Surface Similarities. IPSJ SIG Notes, NL-233. Okinawa. October, 2017. (In Japanese)

  16. Masato Neishi, Jin Sakuma, Satoshi Tohda, Shonosuke Ishiwatari, Naoki Yoshinaga, and Masashi Toyoda. Pretraining of Embedding Layers in Neural Machine Translation. IPSJ SIG Notes, NL-233. Okinawa. October, 2017. (In Japanese)

  17. Satoshi Akasaki, Naoki Yoshinaga, and Masashi Toyoda. Detecting Diverse Novel Entities from Social Media Streams. The 12nd NLP Symposium for Young Researchers. Okinawa. September, 2017. (In Japanese)

  18. Shonosuke Ishiwatari, Jingtao Yao, Shujie Liu, Mu Li, Ming Zhou, Naoki Yoshinaga, Masaru Kitsuregawa and Weijia Jia. Phrase-based Decoder for Neural Machine Translation. The 12nd NLP Symposium for Young Researchers. Okinawa. September, 2017. (In Japanese)

  19. Kohei Ohara, Shoetsu Sato, Naoki Yoshinaga, Toyoda Masashi, and Masaru Kitsuregawa. Predicting Dialogue Acts of Responses in Online Dialogue. The 12nd NLP Symposium for Young Researchers. Okinawa. September, 2017. (In Japanese)

  20. Shoetsu Sato, Naoki Yoshinaga, Masashi Toyoda and Masaru Kitsuregawa. A Neural Dialogue Model Considering Implicit Utterance Situations.. In Proceedings of the 31st Annual Conference of the Japanese Society for Artificial Intelligence. Nagoya. June, 2017 (In Japanese).

  21. Shoetsu Sato, Naoki Yoshinaga, Masashi Toyoda, Masaru Kitsuregawa. A Neural Dialogue Model Considering Implicit Conversational Situations. In Proceedings of the 23rd Annual Meeting of the Association for Natural Language Processing. Ibaraki. March, 2017. (In Japanese).

  22. Kohei Ohara, Shoetsu Sato, Naoki Yoshinaga, Masashi Toyoda, and Masaru Kitsuregawa. Detecting Necessity of Questioning towards a Dialogue Agent Autonomously Inquiring Missing Information. In Proceedings of the 9th forum on Data Engineering and Information Management (DEIM). Gifu. March, 2017. (In Japanese).

  23. Satoshi Akasaki, Naoki Yoshinaga, and Masashi Toyoda. Discovering Emerging Entity by Capturing Occurence and Spread Process. In Proceedings of the 9th forum on Data Engineering and Information Management (DEIM). Gifu. March, 2017. (In Japanese).

  24. Mika Koizumi, Naoki Yoshinaga, Masashi Toyoda. Acquiring Posting Contexts of Images on Microblogs. In Proceedings of the 9th forum on Data Engineering and Information Management (DEIM). Gifu. March, 2017. (In Japanese).

  25. Tatsuya Iwanari, Naoki Yoshinaga, Masashi Toyoda, Masaru Kitsuregawa. Inducing Writers' Values on Concept Ordering from Microblog. In Proceedings of the 9th forum on Data Engineering and Information Management (DEIM). Gifu. March, 2017. (In Japanese).

  26. Tatsuya Iwanari, Kohei Ohara, Naoki Yoshinaga, Nobuhiro Kaji and Masashi Toyoda. COMAVa: Concept Ordering Method for Acquiring Values. The 11st NLP Symposium for Young Researchers. Wakayama. September, 2016. (In Japanese).

  27. Satoshi Akasaki, Takashi Inui, Naoki Yoshinaga, and Masashi Toyoda. Detecting Ambiguous Unknown Entity from Text Streams. The 11st NLP Symposium for Young Researchers. Wakayama. September, 2016. (In Japanese).

  28. Shoetsu Sato, Shonosuke Ishiwatari, Naoki Yoshinaga, Masashi Toyoda and Masaru Kitsuregawa. UT Dialogue System at NTCIR-12 STC. In aProceedings of NTCIR-12 Conference on Evaluation of Information Access Technologies (NTCIR-12), STC: Short Text Conversation. Tokyo. June, 2016.

  29. Shoetsu Sato, Shonosuke Ishiwatari, Naoki Yoshinaga, Masashi Toyoda and Masaru Kitsuregawa. Response Selection for Online Dialogue by Considering Conversational Situations.. In Proceedings of the 30th Annual Conference of the Japanese Society for Artificial Intelligence. Fukuoka. June, 2016.

  30. Shonosuke Ishiwatari, Naoki Yoshinaga, Masashi Toyoda, Masaru Kitsuregawa. Domain Adaptation for Statistical Machine Translation Based on Cross-lingual Projection between Count-based Word Vectors. In Proceedings of the 22nd Annual Meeting of the Association for Natural Language Processing. Miyagi. March, 2016. (In Japanese).

  31. Tatsuya Iwanari, Naoki Yoshinaga, Masashi Toyoda, Masaru Kitsuregawa. Ordering Concepts based on Adjectives by using Learning to Rank. In Proceedings of the 20th Annual Meeting of the Association for Natural Language Processing. Miyagi. March, 2016. (In Japanese).

  32. Takashi Kawamoto, Masashi Toyoda, Naoki Yoshinaga. Early Detection of Socially Influential Information Cascades from Microblogs. In Proceedings of the 8th forum on Data Engineering and Information Management (DEIM). Fukuoka. March, 2016. (In Japanese).

  33. Tatsuya Iwanari, Naoki Yoshinaga, Masashi Toyoda, Masaru Kitsuregawa. Ordering Concepts based on Adjectives by using Variuous Clues. In Proceedings of the 8th forum on Data Engineering and Information Management (DEIM). Fukuoka. March, 2016. (In Japanese).

  34. Masahiko Itoh, Naoki Yoshinaga, and Masashi Toyoda. Spatio-temporal Real-World Event Visualization by Exploiting Location-Referring Expressions a Microblog Stream. In Proceedings of the 8th forum on Data Engineering and Information Management (DEIM). Fukuoka. March, 2016. (In Japanese).

  35. Takashi Kawamoto, Masashi Toyoda, and Naoki Yoshinaga. A Study on Classification of Information Cascade in Microblogs based on Social Influence. The 10th NLP Symposium for Young Researchers. Ishikawa. September, 2015. (In Japanese).

  36. Shonosuke Ishiwatari, Nobuhiro Kaji, Naoki Yoshinaga, Masashi Toyoda and Masaru Kitsuregawa. Translation between Word Vectors by using Translatable Context Pairs. The 10th NLP Symposium for Young Researchers. Ishikawa. September, 2015. (In Japanese).

  37. Naohiro Itoh, Naoki Yoshinaga, and Nobuhiro Kaji, Masashi Toyoda. Inducing Generalized Inference Rules by Using Thesaurus and Massive Text. Proceedings of the 7th forum on Data Engineering and Information Management (DEIM). Fukushima. March, 2015. (In Japanese).

  38. Yu Suzuki, Nobuhiro Kaji, Naoki Yoshinaga, and Masashi Toyoda. Geolocation Estimation of Microbloggers Utilizing Their Recent Posts. In Proceedings of the 7th forum on Data Engineering and Information Management (DEIM). Fukushima. March, 2015. (In Japanese).

  39. Yuma Maki, Naoki Yoshinaga, and Nobuhiro Kaji, and Masaru Kitsuregawa. Real-time Detection of Unknown Entities from Text Streams. IPSJ SIG Notes, NL-220. Fukuoka. January, 2015. (In Japanese).

  40. Nobuhiro Kaji, Naoki Yoshinaga, and Masaru Kitsuregawa. Annotating Microblogs with Morphological and Normalization Information.. In Proceedings of the 20th Annual Meeting of the Association for Natural Language Processing. Hokkaido. March, 2014. (In Japanese).

  41. Toshiharu Nishina, Naoki Yoshinaga, Nobuhiro Kaji, and Masashi Toyoda. On-demand Acquisition of Ordering Knowledge for Concepts. In Proceedings of the sixth forum on Data Engineering and Information Management (DEIM). Hyogo. March, 2014. (In Japanese).

  42. Toshiharu Nishina, Nobuhiro Kaji, Naoki Yoshinaga, Masashi Toyoda. Ordering concepts using paired adjectives. IPSJ SIG Notes, NL-214. Kagoshima. November, 2013. (In Japanese).

  43. Takayuki Hasegawa, Nobuhiro Kaji, Naoki Yoshinaga, Masashi Toyoda. Generating Utterances Eliciting Listener's Emotion. In Proceedings of the 19th Annual Meeting of the Association for Natural Language Processing. Nagoya. March, 2013. (In Japanese).

  44. Wenliang Gao, Nobuhiro Kaji, Naoki Yoshinaga, Masaru Kitsuregawa. Sentiment Classification by Capturing User Preferences across Targets. In Proceedings of the 75th National Convention of IPSJ, Sendai. 2013.

  45. Naoya Nakashima, Naoki Yoshinaga, Nobuhiro Kaji, Masashi Toyoda, Masaru Kitsuregawa. Time-specific Event-chain Acquisition.. In Proceedings of the fifth forum on Data Engineering and Information Management (DEIM). Koriyama. 2013. (In Japanese).

  46. Takayuki Hasegawa, Nobuhiro Kaji, Naoki Yoshinaga, Masashi Toyoda. Predicting Lister's Emotion in Online Dialogue.. In Proceedings of the fifth forum on Data Engineering and Information Management (DEIM). Koriyama. 2013. (In Japanese).

  47. Takayuki Hasegawa, Nobuhiro Kaji, Naoki Yoshinaga, Masashi Toyoda. Classification and Generation of Utterances Eliciting Listener's Emotion. IEICE Tech. Rep., vol. 112, no. 268, NLC2012-29, TL2012-30/NLC2012-29, pp. 25-30. Hakodate. October, 2012. (In Japanese).

  48. Ren Yong, Nobuhiro Kaji, Naoki Yoshinaga, Masashi Toyoda, and Masaru Kitsuregawa. Semi-supervised Sentiment Classification in Resource-Scarce Language: A Comparative Study. IEICE Tech. Rep., vol. 112, no. 172, DE2012-26, pp. 59-64. Nagoya. August, 2011.

  49. Yohei Takaku, Nobuhiro Kaji, Naoki Yoshinaga, and Masashi Toyoda. Classification of Entity-Entity Relations using Language-based Clues. In Proceedings of the 18th Annual Meeting of the Association for Natural Language Processing. Hiroshima. March, 2012. (In Japanese).

  50. Tomohide Fujikawa, Nobuhiro Kaji, Naoki Yoshinaga, and Masaru Kitsuregawa. Extraction of Topics and Users' Attitudes from Microblogs. In Proceedings of the 74th National Convention of IPSJ, Nagoya, Aichi. March, 2012. (In Japanese).

  51. Yong Ren, Nobuhiro Kaji, Naoki Yoshinaga, and Masaru Kitsuregawa. Mining Representative Posts in Sina Weibo. In Proceedings of the 4th Forum on Data Engineering and Information Management. Kobe, Hyogo. March, 2011.

  52. Yohei Takaku, Nobuhiro Kaji, Naoki Yoshinaga, and Masashi Toyoda. Classification of Entity-Entity Relations Based on Constancy and Uniqueness. In Proceedings of the 4th Forum on Data Engineering and Information Management. Kobe, Hyogo. March, 2011. (In Japanese).

  53. Hongguang Zheng, Nobuhiro Kaji, Naoki Yoshinaga, and Masashi Toyoda. A Study on Microblog Classification Based on Information Publicness. In Proceedings of the 4th Forum on Data Engineering and Information Management. Kobe, Hyogo. March, 2011. Best Student Incentive Awards.

  54. Tomohide Fujikawa, Nobuhiro Kaji, Naoki Yoshinaga, and Masaru Kitsuregawa. Extraction of topics and Classification of Users' Attitudes toward the Topics towards Rumor Detection in Microblogs. In Proceedings of the 4th Forum on Data Engineering and Information Management. Kobe, Hyogo. March, 2011. (In Japanese).

  55. Yong Ren, Nobuhiro Kaji, Naoki Yoshinaga, Masaru Toyoda, and Masaru Kitsuregawa. Sentiment Classification in Resource Scare Language by using Label Propagation. The 6th NLP Symposium for Young Researchers. Ikoma, Nara. September, 2011.

  56. Yohei Takaku, Nobuhiro Kaji, Naoki Yoshinaga, and Masashi Toyoda. Refinement of Relation Extraction using Time-Series Text. The 6th NLP Symposium for Young Researchers. Ikoma, Nara. September, 2011. (In Japanese).

  57. Hongguang Zheng, Naoki Yoshinaga, Nobuhiro Kaji, and Masashi Toyoda. Low-Cost Training of a Tweet Classifier using Twitter Lists. The 6th NLP Symposium for Young Researchers. Ikoma, Nara. September, 2011. (In Japanese).

  58. Yohei Takaku, Nobuhiro Kaji, Naoki Yoshinaga, and Masashi Toyoda. A Study on Refinement of Relation Extraction using Time-Series Corpora. The 2nd Social Computing Symposium (SoC 2011). Tokyo. June, 2011. (In Japanese).

  59. Hongguang Zheng, Nobuhiro Kaji, Naoki Yoshinaga, and Masashi Toyoda. A Study on Low-Cost Training of a Microblog Classifier exploiting Typical Information Sender. The 2nd Social Computing Symposium (SoC 2011). Tokyo. June, 2011. (In Japanese).

  60. Tomohide Fujikawa, Nobuhiro Kaji, Naoki Yoshinaga, Masaru Kitsuregawa. Classification of Users' Attitudes toward Rumors on Microblogs. In IEICE Tech. Rep., vol. 111, no. 76, DE2011-10, pp. 55-60. June, 2011. (In Japanese).

  61. Hideaki Muramoto, Nobuhiro Kaji, Naoki Yoshinaga, Masaru Kitsuregawa. Semantic Class Disambiguation of Named Entities using Wikipedia and Web Texts. In Proceedings of the 17th Annual Meeting of the Association for Natural Language Processing. Toyohashi, Aichi. March, 2011. (In Japanese).

  62. Hideaki Muramoto, Nobuhiro Kaji, Naoki Yoshinaga, Masaru Kitsuregawa. Coarse-grained Sense Disambiguation of Named Entities using Wikipedia. In Proceedings of the 3rd Forum on Data Engineering and Information Management. Izu, Shizuoka. March, 2011. (In Japanese).

  63. Masahiko Itoh, Naoki Yoshinaga, Masashi Toyoda and Masaru Kitsuregawa. 3D Visualization System for Time Sequential Changes in Blog Users' Activities and Interests. In Proceedings of the 3rd Forum on Data Engineering and Information Management. Izu, Shizuoka. March, 2011. (In Japanese). Best Paper Award.

  64. Masahiko Itoh, Naoki Yoshinaga, Masashi Toyoda and Masaru Kitsuregawa. 3D Visualization System for Exploring Topic Transition Based on Dependency Analysis for a Japanese Blog Archive. In Proceedings of the 18th Workshop on Interactive Systems and Software (WISS 2010). (In Japanese).

  65. Hideaki Muramoto, Nobuhiro Kaji, Naoki Yoshinaga, Masaru Kitsuregawa. Learning Semantic Tagger from Unlabeled Data. The 5th NLP Symposium for Young Researchers. Tokyo. September, 2010.

  66. Naoki Yoshinaga and Masaru Kitsuregawa. Efficient Training of Classifiers with Conjunctive Features. In Proceedings of the 72nd National Convention of IPSJ, Tokyo. March, 2010. (In Japanese)

  67. Nobuhiro Kaji, Yasuhiro Fujiwara, Naoki Yoshinaga, and Masaru Kitsuregawa. Fast and Exact incremental decoding for sequence labeling problems in NLP. In Proceedings of the 72nd National Convention of IPSJ, Tokyo. March, 2010. (In Japanese).

  68. Shiro Tabuchi, Nobuhiro Kaji, Naoki Yoshinaga, and Masaru Kitsuregawa. A study on the mining of word senses from huge corpus. In Proceedings of the first forum on Data Engineering and Information Management (DEIM). Shizuoka, 2009. (In Japanese)

  69. Naoki Yoshinaga and Masaru Kitsuregawa. Efficient Classification with Conjunctive Features and Its Application to Japanese Dependency Parsing. In Proceedings of the 15th Annual Meeting of the Association for Natural Language Processing, pp. 28--31. Tottori. March, 2009. (In Japanese).

  70. Asuka Sumida, Naoki Yoshinaga, Kentaro Torisawa, and Kentaro Mannari. Large-scale Hyponymy Relation Acquisition from Wikipedia. In Proceedings of the 14th Annual Meeting of the Association for Natural Language Processing. Tokyo. March, 2008. (In Japanese).

  71. Asuka Sumida, Naoki Yoshinaga, and Kentaro Torisawa. Hyponymy Relation Acquisition from Hierarchical Layouts in Wikipedia. In Proceedings of the 70th National Convention of IPSJ. Tsukuba. March, 2008. (In Japanese).

  72. Naoki Yoshinaga and Kentaro Torisawa. Automatic Acquisition of Instances' Attribute-Value Information from the Web. In Proceedings of the 13th Annual Meeting of the Association for Natural Language Processing. pp.887--890. Seta. March, 2007. (In Japanese).

  73. Kazumasa Nakamura, Naoki Yoshinaga, and Kentaro Torisawa. An Aid System for User Writing using Referential Information Acquired from the Web. In Proceedings of the 13th Annual Meeting of the Association for Natural Language Processing. pp.1125--1128. Seta. March, 2007. (In Japanese).

  74. Keiji Shinzato, Satoshi Sekine, Naoki Yoshinaga and Kentaro Torisawa. Automatic Recognition of Attribute Information on Restaurant Documents using NE Recognition Technique. In Proceedings of the 12th Annual Meeting of the Association for Natural Language Processing. pp. 93--96. Kanagawa. March, 2006. (In Japanese).

  75. Naoki Yoshinaga and Kentaro Torisawa. Finding Specification Pages According to Attributes. In Proceedings of the 12th Annual Meeting of the Association for Natural Language Processing. pp. 801--804. Kanagawa. March, 2006. (In Japanese)

  76. Kenta Oouchida, Naoki Yoshinaga, and Jun'ichi Tsujii. Construction of an Efficient LTAG Parser using CFG Filtering Techniques. In Proceedings of the 10th Annual Meeting of the Association for Natural Language Processing. pp. 361--364. Tokyo. March, 2003. (In Japanese)

  77. Akane Yakushiji, Yuka Tateisi, Yusuke Miyao, Naoki Yoshinaga, and Jun'ichi Tsujii. Debug Tool for Practical Grammar Development. IPSJ SIG Notes, NL-155. pp. 19--24. 2003. (In Japanese)

  78. Kenta Oouchida, Naoki Yoshinaga, Takashi Ninomiya, Yusuke Miyao, and Jun'ichi Tsujii. Classification of Lexical Entries in Lexicalized Grammars According to Their Constraints on Constituency. In Proceedings of the ninth Annual Meeting of the Association for Natural Language Processing. pp. 553--556. Yokohama. March, 2003. (In Japanese)

  79. Naoki Yoshinaga, Yusuke Miyao, Kentaro Torisawa and Jun'ichi Tsujii. LTAG Parsing using HPSG Parsers. In Proceedings of the seventh Annual Meeting of the Association for Natural Language Processing. pp. 277--280. Tokyo. March, 2001. (In Japanese)

  80. Naoki Yoshinaga, Yusuke Miyao, Yuka Tateisi, Kentaro Torisawa and Jun'ichi Tsujii. Grammar Conversion from FB-LTAG to HPSG. In Proceedings of the seventh Annual Meeting of the Association for Natural Language Processing. pp. 183--186. Ishikawa. March, 2000. (In Japanese)

Talks

  1. Software Development and Release within Natural Language Processing. Talk given in a tutorial in the 19th Annual Meeting for Natural Language Processing. 13th March, 2013. (In Japanese)

  2. Efficient Machine Learning Algorithms for Large-Scale Natural Language Processing. Talk given in the 3rd ALAGIN SIG-NLP Seminar. 7th January, 2011. (In Japanese)

  3. Attribute-Value Acquisition from the Web and Its Application. Talk given in the National Institute of Information and Communications Technology, Kyoto, Japan. 5th November, 2008. (In Japanese)

  4. Corpus-Driven Methods of Improving Lexical Resources for Lexicalized Grammars. Talk given in Japan Advanced Institute of Science and Technology, Ishikawa, Japan. 17th February, 2005. (In Japanese)

  5. Parsing Comparison between LTAG and HPSG using Strongly Equivalent Grammars. Talk given in the Sussex Informatics NLCL Seminar at University of Sussex, Brighton, U.K. 23rd, October, 2003.

  6. Grammar Conversion from FB-LTAG to HPSG. The first UT SLP Student Talkfest. Japan, Tokyo. 21st, September, 2001. (In Japanese)

  7. Automatic Conversion from FB-LTAG to HPSG. Talk given in the XTAG meeting at University of Pennsylvania (IRCS), Philadelphia, PA, U.S.A. 21st, September, 2000.

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