Publications

Journal papers

  1. Han-Cheol Cho, Naoaki Okazaki, Makoto Miwa, and Jun'ichi Tsujii. Named entity recognition with multiple segment representations. Information Processing & Management, 49(4):954—965, July 2013. [DOI] [LINK]
  2. Xu Sun, Naoaki Okazaki, Junichi Tsujii, and Houfeng Wang. Learning Abbreviations from Chinese and English Terms by Modeling Non-local Information. ACM Transactions on Asian Language Information Processing, 12(2):5:1—5:17, June 2013. [DOI] [LINK]
  3. Yusuke Owada, Junta Mizuno, Naoaki Okazaki, Kentaro Inui, and Mitsuru Ishizuka. Statement Structure Analysis of Tweets Space Based on Replies and Unofficial Retweets. Journal of Natural Language Processing (in Japanese), 20(3):423—460, June 2013. (ISSN: 1340-7619) [DOI] [LINK]
  4. Kenta Nabeshima, Kento Watanabe, Junta Mizuno, Naoaki Okazaki, and Kentaro Inui. Extracting False Information on Twitter and Analyzing its Diffusion Processes by using Linguistic Patterns for Correction. Journal of Natural Language Processing (in Japanese), 20(3):461—484, June 2013. (ISSN: 1340-7619) [DOI] [LINK]
  5. Sho Takase, Naoaki Okazaki, and Kentaro Inui. Set Expansion using Sibling Relations between Semantic Categories. Journal of Natural Language Processing (in Japanese), 20(2):273—296, June 2013. (ISSN: 1340-7619) [DOI] [LINK]
  6. Yotaro Watanabe, Junta Mizuno, Eric Nichols, Katsuma Narisawa, Keita Nabeshima, Naoaki Okazaki, and Kentaro Inui. Leveraging Diverse Lexical Resources for Textual Entailment Recognition. ACM Transactions on Asian Language Information Processing, 11(4):18:1—18:22, December 2012. [DOI] [LINK]
  7. Danushka Bollegala, Naoaki Okazaki, and Mitsuru Ishizuka. A preference learning approach to sentence ordering for multi-document summarization. Information Sciences, 217:78—95, December 2012. (ISSN: 0020-0255) [DOI] [LINK]
  8. Zhiyong Lu, Hung-Yu Kao, Chih-Hsuan Wei, Minlie Huang, Jingchen Liu, Cheng-Ju Kuo, Chun-Nan Hsu, Richard Tzong-Han Tsai, Hong-Jie Dai, Naoaki Okazaki, Han-Cheol Cho, Martin Gerner, Illes Solt, Shashank Agarwal, Feifan Liu, Dina Vishnyakova, Patrick Ruch, Martin Romacker, Fabio Rinaldi, Sanmitra Bhattacharya, Padmini Srinivasan, Hongfang Liu, Manabu Torii, Sergio Matos, David Campos, Karin Verspoor, Kevin M. Livingston, and John W. Wilbur. The gene normalization task in BioCreative III. BMC Bioinformatics, 12(Suppl 8):S9, September 2011. (ISSN: 1471-2105) [DOI] [LINK]
  9. Cecilia N Arighi, Phoebe M Roberts, Shashank Agarwal, Sanmitra Bhattacharya, Gianni Cesareni, Andrew Chatr-aryamontri, Simon Clematide, Pascale Gaudet, Michelle Gwinn Giglio, Ian Harrow, Eva Huala, Martin Krallinger, Ulf Leser, Donghui Li, Feifan Liu, Zhiyong Lu, Lois J Maltais, Naoaki Okazaki, Livia Perfetto, Fabio Rinaldi, Rune Sætre, David Salgado, Padmini Srinivasan, Philippe E Thomas, Luca Toldo, Lynette Hirschman, and Cathy H Wu. BioCreative III interactive task: an overview. BMC Bioinformatics, 12(Suppl 8):S8, September 2011. (ISSN: 1471-2105) [DOI] [LINK]
  10. Naoaki Okazaki, and Jun'ichi Tsujii. A Simple and Fast Algorithm for Approximate String Matching with Set Similarity. Journal of Natural Language Processing (in Japanese), 18(2):89—118, June 2011. (ISSN: 1340-7619)
  11. Shohei Tanaka, Naoaki Okazaki, and Mitsuru Ishizuka. Learning Query Patterns by Using Wikipedia Articles as Supervised Data to Retrieve Web Pages for Multi-document Summarization. Transactions of the Japanese Society for Artificial Intelligence (in Japanese), 26(2), March 2011. (ISSN: 1346-0714) [DOI] [LINK]
  12. Tomoko Ohta, Takuya Matsuzaki, Naoaki Okazaki, Makoto Miwa, Rune Sætre, Sampo Pyysalo, and Jun'ichi Tsujii. Medie and Info-pubmed: 2010 update. BMC Bioinformatics, 11(Suppl 5):P7, October 2010. (ISSN: 1471-2105) [DOI] [LINK]
  13. Yuichiroh Matsubayashi, Naoaki Okazaki, and Jun'ichi Tsujii. Generalization of Semantic Roles in Automatic Semantic Role Labeling. Journal of Natural Language Processing (in Japanese), 17(4):59—89, July 2010. (ISSN: 1340-7619)
  14. Naoaki Okazaki, Sophia Ananiadou, and Jun'ichi Tsujii. Building a High Quality Sense Inventory for Improved Abbreviation Disambiguation. Bioinformatics, 26(9):1246—1253, May 2010. (ISSN: 1460-2059) [DOI] [LINK]
  15. Danushka Bollegala, Naoaki Okazaki, and Mitsuru Ishizuka. A bottom-up approach to sentence ordering for multi-document summarization. Information Processing & Management, 46(1):89—109, January 2010. (ISSN: 0306-4573) [DOI]
  16. Sophia Ananiadou, Brian Rea, Naoaki Okazaki, Rob Proctor, and James Thomas. Supporting Systematic Reviews using Text Mining. Social Science Computer Review, 27(4):509—523, November 2009. (ISSN: 0894-4393) [DOI] [LINK]
  17. Takashi Tsunakawa, Naoaki Okazaki, Xiao Liu, and Jun'ichi Tsujii. A Chinese-Japanese Lexical Machine Translation through a Pivot Language. ACM Transactions on Asian Language Information Processing (TALIP), 8(2):9:1—9:21, May 2009. (ISSN: 1530-0226) [DOI] [LINK]
  18. Matsuo Yutaka, Naoaki Okazaki, Yoshiyuki Nakamura, Takuichi Nishimura, Koiti Hasida, and Hideyuki Nakashima. User Modeling Based on Location History. 情報処理学会論文誌, 48(6):2106—2117, June 2007. (ISSN: 1346-0714) [LINK]
  19. Naoaki Okazaki, and Sophia Ananiadou. Building an Abbreviation Dictionary Using a Term Recognition Approach. Bioinformatics, 22(24):3089—3095, December 2006. (ISSN: 1367-4803) [DOI] [LINK]
  20. Kenich Horie, Yukio Ohsawa, and Naoaki Okazaki. Products Designed on Scenario Maps using Pictorial KeyGraph. WSEAS Transactions on Information Science & Applications, 3(7):1324—1331, July 2006. (ISSN: 1709-0832) [LINK]
  21. Naoaki Okazaki, Santi Saeyor, Hiroshi Dohi, and Mitsuru Ishizuka. An Extension of the Multimodal Presentation Markup Language (MPML) to a Three-dimensional VRML Space. Systems and Computers in Japan, 36(14):69—80, December 2005. (ISSN: 0882-1666) [DOI] [LINK]
  22. Naoaki Okazaki, Yutaka Matsuo, and Mitsuru Ishizuka. Improving Chronological Ordering of Sentences Extracted from Multiple Newspaper Articles. ACM Transactions on Asian Language Information Processing (TALIP) (Special Issue on NTCIR-4: Information Access towards Asian Languages), 4(3):321—339, September 2005. (ISSN: 1530-0226) [DOI] [LINK]
  23. Sohei Aya, Yutaka Matsuo, Naoaki Okazaki, K\hatoiti Hashida, and Mitsuru Ishizuka. Summarization of Multiple Documents with Rhetorical Annotation. Transactions of Information Processing Society of Japan (in Japanese), 20(3):149—158, May 2005. [LINK]
  24. Helmut Prendinger, Junichiro Mori, Santi Saeyor, Kyoshi Mori, Naoaki Okazaki, Yustinus Juli, Sonja Mayer, Hiroshi Dohi, and Mitsuru Ishizuka. Scripting and Evaluating Affective Interactions with Embodied Conversational Agents. Künstliche Intelligenz Zeitschrift (German Journal of Artificial Intelligence), 1:4—10, February 2004. (ISSN: 0933-1875) [LINK]
  25. Naoaki Okazaki, Yutaka Matsuo, Naohiro Matsumura, and Mitsuru Ishizuka. Sentence Extraction by Spreading Activation through Sentence Similarity. IEICE Transactions on Information and Systems (Special Issue on Text Processing for Information Access), E86-D(9):1686—1694, September 2003. (ISSN: 0916-8532) [LINK]
  26. Naoaki Okazaki, Santi Saeyor, Hiroshi Dohi, and Mitsuru Ishizuka. An Extension of Multimodal Presentation Markup Language MPML to a 3D VRML Space. Transactions of Institute of Electronics, Information and Communication Engineers (IEICE) (in Japanese), J85-D(9):1687—1694, September 2002. [LINK]

International conference papers

  1. Naoaki Okazaki, Keita Nabeshima, Kento Watanabe, Junta Mizuno, and Kentaro Inui. Extracting and Aggregating False Information from Microblogs. In Proceedings of the Workshop on Language Processing and Crisis Information 2013, pages 36—43, Nagoya, Japan, October 2013. [LINK]
  2. Katsuma Narisawa, Yotaro Watanabe, Junta Mizuno, Naoaki Okazaki, and Kentaro Inui. Is a 204 cm Man Tall or Small? Acquisition of Numerical Common Sense from the Web. In Proceedings of the 51st Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers), pages 382—391, Sofia, Bulgaria, August 2013. [LINK]
  3. Sho Takase, Akiko Murakami, Miki Enoki, Naoaki Okazaki, and Kentaro Inui. Detecting Chronic Critics Based on Sentiment Polarity and User's Behavior in Social Media. In 51st Annual Meeting of the Association for Computational Linguistics Proceedings of the Student Research Workshop, pages 110—116, Sofia, Bulgaria, August 2013. [LINK]
  4. Han-Cheol Cho, Naoaki Okazaki, and Kentaro Inui. Inducing Context Gazetteers from Encyclopedic Database for Named Entity Recognition. In Proceedings of the 17th Pacific-Asia Conference on Knowledge Discovery and Data Mining (PAKDD 2013), pages 378—389, Gold Coast, Australia, April 2013. [LINK]
  5. Jiro Umezawa, Junta Mizuno, Naoaki Okazaki, and Kentaro Inui. Evidence in Automatic Error Correction Improves Learners’ English Skill. In Proceedings of the 14th International Conference on Intelligent Text Processing and Computational Linguistics (CICLing 2013), pages 559—571, Samos, Greece, March 2013. [LINK]
  6. Kazeto Yamamoto, Naoya Inoue, Yotaro Watanabe, Naoaki Okazaki, and Kentaro Inui. Discriminative Learning of First-order Weighted Abduction from Partial Discourse Explanations. In Proceedings of the 14th International Conference on Intelligent Text Processing and Computational Linguistics (CICLing 2013), pages 545—558, Samos, Greece, March 2013. [LINK]
  7. Shohei Tanaka, Naoaki Okazaki, and Mitsuru Ishizuka. Acquiring and Generalizing Causal Inference Rules from Deverbal Noun Constructions. In Proceedings of the 24th International Conference on Computational Linguistics (COLING 2012): Posters, pages 1209—1218, Mumbai, India, December 2012. [LINK]
  8. Yotaro Watanabe, Junta Mizuno, Eric Nichols, Naoaki Okazaki, and Kentaro Inui. A Latent Discriminative Model for Compositional Entailment Relation Recognition Using Natural Logic. In Proceedings of the 24th International Conference on Computational Linguistics (COLING 2012), pages 2805—2820, Mumbai, India, December 2012. [LINK]
  9. Sho Takase, Naoaki Okazaki, and Kentaro Inui. Set Expansion using Sibling Relations between Semantic Categories. In Proceedings of the 26th Pacific Asia Conference on Language,Information and Computation (PACLIC 26), pages 567—576, Bali, Indonesia, November 2012. [LINK]
  10. Yuta Tsuboi, Yuya Unno, Hisashi Kashima, and Naoaki Okazaki. Fast Newton-CG Method for Batch Learning of Conditional Random Fields. In Proceedings of the Twenty-Fifth Conference on Artificial Intelligence (AAAI-11), pages 489—494, San Francisco, California , USA, August 2011.
  11. Yu Usami, Han-Cheol Cho, Naoaki Okazaki, and Jun'ichi Tsujii. Automatic Acquisition of Huge Training Data for Bio-Medical Named Entity Recognition. In Proceedings of BioNLP 2011 Workshop, pages 65—73, Portland, Oregon, USA, June 2011. [LINK]
  12. Naoaki Okazaki, Han-Cheol Cho, Rune Sætre, Sampo Pyysalo, Tomoko Ohta, and Jun'ichi Tsujii. The gene normalization and intractive systems of the University of Tokyo in the BioCreative III challenge. In Proceedings of BioCreative III, pages 125—130, Bethesda, Maryland, USA, September 2010.
  13. Naoaki Okazaki, and Jun'ichi Tsujii. Simple and Efficient Algorithm for Approximate Dictionary Matching. In Proceedings of the 23rd International Conference on Computational Linguistics (COLING 2010), pages 851—859, Beijing, China, August 2010.
  14. Shouhei Tanaka, Naoaki Okazaki, and Mitsuru Ishizuka. Learning Web Query Patterns for Imitating Wikipedia Articles. In Proceedings of the 23rd International Conference on Computational Linguistics (COLING 2010): Posters, pages 1229—1237, Beijing, China, August 2010.
  15. Takeshi Kobayakawa, Tadashi Kumano, Hideki Tanaka, Naoaki Okazaki, Jin-Dong Kim, and Junichi Tsujii. Opinion Classification with Tree Kernel SVM Using Linguistic Modality Analysis. In Proceedings of the 18th ACM Conference on Information and Knowledge Management (CIKM 2009), pages 1791—1794, Hong Kong, China, November 2009.
  16. Yuichiroh Matsubayashi, Naoaki Okazaki, and Jun'ichi Tsujii. Accurate and Robust Semantic Role Labeling with Multiple Generalization Criteria in PropBank. In Proceedings of the 5th International Conference on Generative Approaches to the Lexicon (GL 2009), pages 97—104, Pisa, Italy, September 2009.
  17. Yukiko Matsuoka, Samik Ghosh, Norihiko Kikuchi, Rune Saetre, Brian Kemper, Naoaki Okazaki, Sophia Ananiadou, Jun'ichi Tsujii, and Hiroaki Kitano. Community Platform for Pathway Model Building. In Proceedings of the 10th International Conference on Systems Biology (ICSB 2009), pages 139—140, Stanford University, USA, September 2009.
  18. Yuichiroh Matsubayashi, Naoaki Okazaki, and Jun'ichi Tsujii. A Comparative Study on Generalization of Semantic Roles in FrameNet. In Proceedings of the Joint Conference of the 47th Annual Meeting of the ACL and the 4th International Joint Conference on Natural Language Processing of the AFNLP (ACL-IJCNLP 2009), pages 19—27, Singapore, August 2009. [LINK]
  19. Xu Sun, Naoaki Okazaki, and Jun'ichi Tsujii. Robust Approach to Abbreviating Terms: A Discriminative Latent Variable Model with Global Information. In Proceedings of the Joint Conference of the 47th Annual Meeting of the ACL and the 4th International Joint Conference on Natural Language Processing of the AFNLP (ACL-IJCNLP 2009), pages 905—913, Singapore, August 2009. [LINK]
  20. Yulan Yan, Naoaki Okazaki, Yutaka Matsuo, Zhenglu Yang, and Mitsuru Ishizuka. Unsupervised Relation Extraction by Mining Wikipedia Texts Using Information from the Web. In Proceedings of the Joint Conference of the 47th Annual Meeting of the ACL and the 4th International Joint Conference on Natural Language Processing of the AFNLP (ACL-IJCNLP 2009), pages 1021—1029, Singapore, August 2009. [LINK]
  21. Xianchao Wu, Naoaki Okazaki, and Jun'ichi Tsujii. Semi-Supervised Lexicon Mining from Parenthetical Expressions in Monolingual Web Pages. In Proceedings of Human Language Technologies: The 2009 Annual Conference of the North American Chapter of the Association for Computational Linguistics (NAACL/HLT 2009), pages 424—432, Boulder, Colorado, June 2009. [LINK]
  22. Naoaki Okazaki, Yoshimasa Tsuruoka, Sophia Ananiadou, and Jun'ichi Tsujii. A Discriminative Candidate Generator for String Transformations. In Proceedings of the 2008 Conference on Empirical Methods in Natural Language Processing (EMNLP 2008), pages 447—456, Honolulu, Hawaii, October 2008. [LINK]
  23. Xianchao Wu, Naoaki Okazaki, Takashi Tsunakawa, and Jun'ichi Tsujii. Improving English-to-Chinese Translation for Technical Terms Using Morphological Information. In Proceedings of the 18th Conference of the Association for Machine Translation in the Americas (AMTA 2008), pages 2.20 (10 pages), Hawai, USA, October 2008. [LINK]
  24. Naoaki Okazaki, Sophia Ananiadou, and Jun'ichi Tsujii. A Discriminative Alignment Model for Abbreviation Recognition. In Proceedings of the 22nd International Conference on Computational Linguistics (Coling 2008), pages 657—664, Manchester, UK, August 2008. [LINK]
  25. Takashi Tsunakawa, Naoaki Okazaki, and Jun'ichi Tsujii. Building a Bilingual Lexicon Using Phrase-based Statistical Machine Translation via a Pivot Language. In Proceedings of the 22nd International Conference on Computational Linguistics (Coling 2008): Companion volume: Posters and Demonstrations, pages 127—130, Manchester, UK, August 2008. [LINK]
  26. Chikashi Nobata, Philip Cotter, Naoaki Okazaki, Brian Rea, Yutaka Sasaki, Yoshimasa Tsuruoka, Jun'ichi Tsujii, and Sophia Ananiadou. Kleio: a knowledge-enriched information retrieval system for biology. In Proceedings of the 31st annual international ACM SIGIR conference on Research and development in information retrieval (SIGIR '08), pages 787—788, Singapore, Singapore, July 2008.
  27. Takashi Tsunakawa, Naoaki Okazaki, and Jun’ichi Tsujii. Building Bilingual Lexicons using Lexical Translation Probabilities via Pivot Languages. In Proceedings of the Sixth International Language Resources and Evaluation (LREC'08), pages 1664—1667, Marrakech, Morocco, May 2008.
  28. Rune Sætre, Brian Kemper, Kanae Oda, Naoaki Okazaki, Yukiko Matsuoka, Norihiro Kikuchi, Hiroaki Kitano, Yoshimasa Tsuruoka, Sophia Ananiadou, and Jun’ichi Tsujii. Connecting Text Mining and Pathways using the PathText Resource. In Proceedings of the Sixth International Language Resources and Evaluation (LREC'08), pages 1736—1740, Marrakech, Morocco, May 2008.
  29. Rune Sætre, Brian Kemper, Kanae Oda, Naoaki Okazaki, Yukiko Matsuoka, Nobuo Kikuchi, Hiroyuki Kitano, Yoshimasa Tsuruoka, Sophia Ananiadou, and Jun'ichi Tsujii. PathText: Text Mining Tools Integrated with Biological Pathway. In Genomes to Systems Conference 2008, pages 65, Manchester, UK, March 2008.
  30. Naoaki Okazaki, Mitsuru Ishizuka, and Jun'ichi Tsujii. A Discriminative Approach to Japanese Abbreviation Extraction. In Proceedings of the Third International Joint Conference on Natural Language Processing (IJCNLP 2008), pages 889—894, Hyderabad, India, January 2008. [LINK]
  31. Kenji Hirohata, Naoaki Okazaki, Sophia Ananiadou, and Mitsuru Ishizuka. Identifying Sections in Scientific Abstracts using Conditional Random Fields. In Proceedings of the Third International Joint Conference on Natural Language Processing (IJCNLP 2008), pages 381—388, Hyderabad, India, January 2008. [LINK]
  32. Sophia Ananiadou, Philip Cotter, Chikashi Nobata, Naoaki Okazaki, Brian Rea, Yutaka Sasaki, Yoshimasa Tsuruoka, and Jun'ichi Tsujii. SemText: a semantically enriched information retrieval system for biology. In Proceedings of the Eighth International Conference on Systems Biology (ICSB2007), pages G35, Long Beach, USA, October 2007.
  33. Yutaka Matsuo, Naoaki Okazaki, Kiyoshi Izumi, Yoshiyuki Nakamura, Takuichi Nishimura, Koiti Hasida, and Hideyuki Nakashima. Inferring Long-term User Properties based on Users' Location History. In Proceedings of the 20th International Joint Conference on Artificial Intelligence (IJCAI 2007), pages 2159—2165, Hyderabad, India, January 2007. [LINK]
  34. Naoaki Okazaki, and Sophia Ananiadou. A Term Recognition Approach to Acronym Recognition. In Proceedings of the COLING/ACL 2006 Main Conference Poster Sessions, pages 643—650, Sydney, Australia, July 2006. [LINK]
  35. Danushka Bollegala, Naoaki Okazaki, and Mitsuru Ishizuka. A Bottom-Up Approach to Sentence Ordering for Multi-Document Summarization. In Proceedings of the 21st International Conference on Computational Linguistics and 44th Annual Meeting of the Association for Computational Linguistics, pages 385—392, Sydney, Australia, July 2006. [LINK]
  36. Naoaki Okazaki, and Sophia Ananiadou. Clustering acronyms in biomedical text for disambiguation. In Proceedings of fifth international conference on Language Resources and Evaluation (LREC 2006), pages 959—962, Genoa, Italy, May 2006. [LINK]
  37. Goran Nenadic, Naoki Okazaki, and Sophia Ananiadou. Towards a terminological resource for biomedical text mining. In Proceedings of fifth international conference on Language Resources and Evaluation (LREC 2006), pages 1071—1076, Genoa, Italy, May 2006.
  38. Danushka Bollegala, Naoaki Okazaki, and Mitsuru Ishizuka. A Machine Learning Approach to Sentence Ordering for Multidocument Summarization and its Evaluation. In Proc. of 2nd International Joint Conference on Natural Language Processing (IJCNLP), pages 624—635, Jeju Island, Korea, October 2005. [LINK]
  39. Yukio Ohsawa, Naohiro Matsumura, and Naoaki Okazaki. Understanding Scenarios of Individual Patients of Hepatitis in Double Helical Process Involving KeyGraph and DSV. In The Fourth IEEE International Workshop on Soft Computing as Transdisciplinary Science and Technology (WSTST05), pages 456—469, Muroran, Japan, May 2005.
  40. Naoaki Okazaki, Yutaka Matsuo, and Mitsuru Ishizuka. Improving Chronological Sentence Ordering by Precedence Relation. In Proc. 20th International Conference on Computational Linguistics (COLING 04), pages 750—756, Geneva, Swiss, August 2004. [LINK]
  41. Yukio Ohsawa, Hajime Fujie, Akio Saiura, Naoaki Okazaki, and Naohiro Matsumura. Process to Discovering Iron Decrease as Chance to Use Interferon to Hepatitis B. In Proceedings of the Third International Workshop on Active Mining (AM-2004), pages 21—30, Kanazawa, Japan, June 2004.
  42. Naoaki Okazaki, Yutaka Matsuo, and Mitsuru Ishizuka. TISS: An Integrated Summarization System for TSC-3. In TSC3, pages , Tokyo, Japan, June 2004. [LINK]
  43. Gakuto Kurata, Naoaki Okazaki, and Mitsuru Ishizuka. GDQA: Graph Driven Question Answering System — NTCIR-4 QAC2 Experiments —. In Working Notes of the Fourth NTCIR Workshop Meeting (NTCIR-4), pages , Tokyo, Japan, June 2004. [LINK]
  44. Yukio Ohsawa, Naoaki Okazaki, Naohiro Matsumura, Aiko Saiura, and Hajime Fujie. A Scenario Development on Hepatitis B and C. In Second International Workshop on Active Mining (AM-2003), pages 130—140, Maebashi, Japan, October 2003.
  45. Yutaka Matsuo, Shigeyoshi Hiratsuka, Tomohisa Yamashita, Akira Takagi, Naoaki Okazaki, Takuji Tokiwa, and Koichi Kurumatani. Story-Based Planning in Theme Park. In Multi-Agent for Mass User Support: International Workshop (MAMUS 2003), pages 70—85, Acapulco, Mexico, August 2003.
  46. Naoaki Okazaki, and Yukio Ohsawa. Polaris: An Integrated Data Miner for Chance Discovery. In Workshop of Chance Discovery and Its Management (in conjunction with International Human Computer Interaction Conference (HCI2003)), pages 27—30, Crete, Greece, June 2003. [LINK]
  47. Naoaki Okazaki, Yutaka Matsuo, Naohiro Matsumura, and Mitsuru Ishizuka. Sentence Extraction by Spreading Activation with Refined Similarity Measure. In The 16th Florida Artificial Intelligence Research Society Conference (FLAIRS-16), pages 407—411, St Augustine, USA, May 2003. [LINK]
  48. Naoaki Okazaki, Sohei Aya, Santi Saeyor, and Mitsuru Ishizuka. A Multimodal Presentation Markup Language MPML-VR for a 3D Virtual Space. In Workshop Proc. (CD-ROM) on Virtual Conversational Characters: Applications, Methods, and Research Challenges (in conjunction with HF2002 and OZCHI2002), pages , Melbourne, Australia, November 2002. [LINK]
  49. Naoaki Okazaki, Yutaka Matsuo, Naohiro Matsumura, Hironori Tomobe, and Mitsuru Ishizuka. Two Different Methods at NTCIR3-TSC2: Coverage Oriented and Focus Oriented. In NTCIR Workshop 3: Proceedings of the Third NTCIR Workshop on Research in Information Retrieval, Automatic Text Summarization and Question Answering, pages , Tokyo, Japan, October 2002. [LINK]
  50. Naoaki Okazaki, Yutaka Matsuo, Naohiro Matsumura, Hironori Tomobe, and Mitsuru Ishizuka. Extracting Characteristic Sentences from Related Documents. In 6th International Conference on Knowledge-based Intelligent Information Engineering Systems and Applied Technologies (KES2002), pages 1257—1261, Crema, Italy, September 2002. [LINK]

Invited talks

  1. Naoaki Okazaki, Naoki Yoshinaga, and Taku Kudo. Development and Distribution of Software Related to Research on Natural Language Processing. In Tutorial in the 19th Annual Meeting of the Japanese Association for Natural Language Processing (NLP2013), pages , Nagoya University, Aichi, Japan, March 2013. [LINK]
  2. Naoaki Okazaki. Report on EMNLP2012. In The 7th Symposium for Young Researcher Association for NLP Studies (YANS), pages , Tohoku University, Miyagi, Japan, 9 2012. [LINK]

Book chapters

  1. Danushka Bollegala, Naoaki Okazaki, Mitsuru Ishizuka. A Bottom-Up Approach to Sentence Ordering for Multi-Document Summarization. Thierry Poibeau and Horacio Saggion and Jakub Piskorski and Roman Yangarber (eds.), Multi-source, Multilingual Information Extraction and Summarization, ISBN: 978-3-642-28568-4, chapter 12, pp. 253—276, September 2012. New York,
  2. Naoaki Okazaki, Yukio Ohsawa. Polaris: An Integrated Data Miner for Chance Discovery. Akinori Abe and Yukio Ohsawa (eds.), Readings in Chance Discovery, ISBN: 0-9751004-8-3, chapter 22, March 2005. South Australia, Australia,
  3. Yukio Ohsawa, Naohiro Matsumura, Naoaki Okazaki, Aiko Saiura, Hajime Fujie. Mining Scenarios for Hepatitis B and C. Ray Paton and Laura A. McNamara (eds.), Multidisciplinary Approaches to Theory in Medicine (Studies in Multidisciplinarity), ISBN: 9780444518064, pp. 209—230, 2005.