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Tetsuya Sakai

Tetsuya Sakai
LEAD RESEARCHER
.

Tetsuya Sakai received a Master's degree from Waseda University in 1993 and joined the Toshiba Corporate R&D Center in the same year. He received a Ph.D from Waseda University in 2000 for his work on information retrieval and filtering systems. From 2000 to 2001, he was a visiting researcher at the University of Cambridge Computer Laboratory. In 2007, he became Director of the Natural Language Processing Laboratory at NewsWatch, Inc. In 2009, he joined Microsoft Research Asia. He is a Program Co-chair of NTCIR and is currently co-organising the NTCIR-10 1CLICK and INTENT tasks. In 2012, he served as the first chair of the Asia Information Retrieval Societies Steering Committee. He is on the editorial board of Information Processing and Management and that of Information Retrieval the Journal. He has served as a Senior PC member for ACM SIGIR, CIKM and AIRS, and was a general co-chair of AIRS 2009. He served as a program co-chair of SIGIR 2013 and of OAIR 2013. He has received several awards in Japan, mostly from IPSJ. He chaired the IPSJ SIG-IFAT from 2009 to 2010, and was an editor-in-chief of IPSJ TOD from 2011 to 2012.

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AWARDS

PUBLICATIONS (invited papers in red; unrefereed papers in green)

2013

  • Wang, Q., Qian, Y., Song, R., Dou, Z., Zhang, F., Sakai, T. and Zheng, Q.: Mining Search Intents from Text Fragments, Information Retrieval, to appear, 2013.
  • Sakai, T. and Song, R.: Diversified Search Evaluation: Lessons from the NTCIR-9 INTENT Task, Information Retrieval, to appear, 2013. authors version / springer link
  • Sakai, T., Kando, N., Macdonald, C. and Soboroff, I.: Introduction to the Special Issue on Search Intents and Diversification, Information Retrieval, to appear, 2013.
  • Kato, M.P, Sakai, T. and Tanaka. K.: When Do People Use Query Suggestion?, Information Retrieval, to appear, 2013. authors version / springer link
  • Ekstrand-Abueg, M., Pavlu, V., Kato, M.P., Sakai, T., Yamamoto, T., Iwata, M.: Exploring Semi-Automatic Nugget Extraction for Japanese One Click Access Evaluation, ACM SIGIR 2013, to appear, July 2013.
  • Miyanishi, T., Sakai, T.: Time-aware Structured Query Suggestion, ACM SIGIR 2013, to appear, July 2013.
  • Kato, M.P., Sakai, T., Yamamoto, T., Iwata, M.: Report from the NTCIR-10 1CLICK-2 Japanese Subtask: Baselines, Upperbounds and Evaluation Robustness, ACM SIGIR 2013, to appear, July 2013.
  • Sakai, T., Dou, Z., Clarke. C.L.A.: The Impact of Intent Selection on Diversified Search Evaluation, ACM SIGIR 2013, to appear, July 2013. preprint
  • Sakai, T., Dou, Z., Yamamoto, T., Liu, Y., Zhang, M., Kato, M.P., Song, R., Iwata, M.: Summary of the NTCIR-10 INTENT-2 Task: Subtopic Mining and Search Result Diversification, ACM SIGIR 2013, to appear, July 2013. preprint
  • Sakai, T., Dou, Z.: Summaries, Ranked Retrieval and Sessions: A Unified Framework for Information Access Evaluation, ACM SIGIR 2013, to appear, July 2013. U-measure site preprint
  • Sakai, T.: How Intuitive Are Diversified Search Metrics? Concordance Test Results for the Diversity U-measures, IPSJ SIG Technical Report, 2013-IFAT-111, to appear, 2013.
  • Narita, K., Sakai, T., Dou, Z. and Song, Y.-I.: MSRA at NTCIR-10 1CLICK-2, NTCIR-10, to appear, June 2013.
  • Tsukuda, K., Dou, Z. and Sakai, T.: Microsoft Research Asia at the NTCIR-10 Intent Task, NTCIR-10, to appear, June 2013.
  • Pavlu, V., Ekstrand-Abueg, M., Kato, M.P., Sakai, T., Yamamoto, T. and Iwata, M.: 1CLICK-2 English Task Overview, NTCIR-10, to appear, June 2013.
  • Kato, M.P., Ekstrand-Abueg, M., Pavlu, V., Sakai, T., Yamamoto, T. and Iwata, M.: Overview of the NTCIR-10 1CLICK-2 Task, NTCIR-10, to appear, June 2013.
  • Sakai, T., Dou, Z., Yamamoto, T., Liu, Y., Zhang, M., Song, R., Kato, M.P. and Iwata, M.: Overview of the NTCIR-10 INTENT-2 Task, NTCIR-10, to appear, June 2013.
  • Sakai, T.: The Unreusability of Diversified Test Collections, EVIA 2013, to appear, June 2013.
  • Sakai, T., Dou, Z., Yamamoto, T., Liu, Y., Zhang, M., Song, R., Kato, M.P. and Iwata, M.: A Preview of the NTCIR-10 INTENT-2 Results, IPSJ SIG Technical Report, 2013-IFAT-110, pp.1-8, February 2013.
  • Sakai, T.: Web Search Evaluation with Informational and Navigational Intents, Journal of Information Processing, Vol.21, No.1, pp.145-155, January 2013. pdf

2012

  • Joho, H and Sakai, T.: Grid-based Interaction for Exploratory Search, AIRS 2012, Lecture Notes in Computer Science 7675, pp.496-505, December 2012.

  • Sakai, T. and Kato, M.P: One Click One Revisited: Enhancing Evaluation based on Information Units, AIRS 2012, Lecture Notes in Computer Science 7675, pp.39-51, December 2012.

  • Sakai, T., Dou, Z., Song, R. and Kando, N.: The Reusability of a Diversified Search Test Collection, AIRS 2012, Lecture Notes in Computer Science 7675, pp.26-38, December 2012. Best Paper Award.

  • Yamamoto, T., Sakai, T., Iwata, M., Chen, Y., Wen, J.-R. and Tanaka, K.: The Wisdom of Advertisers: Mining Subgoals via Query Clustering, ACM CIKM 2012, pp.505-514, October 2012. preprint

  • Ma, Z., Chen, Y., Song, R., Sakai, T., Lu, J. and Wen, J.-R.: New Assessment Criteria for Query Suggestion, ACM SIGIR 2012, pp.1109-1110, August 2012.
  • Sakai, T.: Towards Zero-Click Mobile IR Evaluation: Knowing What and Knowing When, ACM SIGIR 2012, pp.1157-1158, August 2012.
  • Iwata, M., Sakai, T., Yamamoto, T., Chen, Y., Liu, Y., Wen, J.-R. and Nishio, S.: AspecTiles: Tile-based Visualization of Diversified Web Search Results, ACM SIGIR 2012, pp.85-94, August 2012. preprint
  • Sakai, T. and Kato, M.P.: One Click One Revisited: Enhancing Evaluation based on Information Units, IPSJ SIG Technical Report, 2012-IFAT-107 / 2012-DBS-154, to appear, August 2012.
  • Sakai, T.: The Reusability of a Diversified Search Test Collection, IPSJ SIG Technical Report, 2012-IFAT-107 / 2012-DBS-154, to appear, August 2012.
  • Morita, H., Sakai, T. and Okumura, M.: Query Snowball: A Co-occurrence-based Approach to Multi-document Summarization for Question Answering, IPSJ TOD, Vol.5, No.2, pp.11-16, June 2012.
  • Allan, J., Aslam, J., Azzopardi, L., Belkin, N., Borlund, P., Bruza, P., Callan, J., Carman, M., Clarke, C.L.A., Craswell, N. Croft, W.B., Culpepper, J.S., Diaz, F., Dumais, S., Ferro, N., Geva, S., Gonzalo, J., Hawking, D., Jarvelin, K., Jones, G., Jones, R., Kamps, J., Kando, N., Kanoulas, N., Karlgren, J., Kelly, D., Lease, M., Lin, J., Mizzaro, S., Moffat, A., Murdock, V., Oard, D.W., de Rijke, M., Sakai, T., Sanderson, M., Scholer, F., Si, L., Thom, J.A., Thomas, P., Trotman, A., Turpin, A., de Vries, A.P., Webber, W., Zhang, X. and Zhang, Y.: Frontiers, Challenges, and Opportunities for Information Retrieval: Report from SWIRL 2012 The Second Strategic Workshop on Information Retrieval in Lorne, SIGIR Forum Vol.46, No.1, pp.2-32, June 2012. pdf
  • Kato, M.P. and Sakai, T. and Tanaka, K.: Structured Query Suggestion for Specialization and Parallel Movement: Effect on Search Behaviors, WWW 2012, pp.389-398, April 2012. pdf
  • Sakai, T.: Evaluation with Informational and Navigational Intents, WWW 2012, pp.499-508, April 2012. pdf
  • Sakai, T., Joho, H., Kando, N., Kato, T., Aizawa, A., Akiba, T., Goto, I., Kimura, F., Mitamura, T., Nishikzaki, H., Shima, H., Yoshioka, M., Geva, S., Tang, L.-X., Trotman, A. and Xu, Y.: Summary of NTCIR-9 and a Look Forward (in Japanese), IPSJ SIG Technical Report Vol.2012-IFAT-106, No.5, March 2012.
  • Sakai, T.: Ambiguous, Underspecified and Clear Queries: Invitation to NTCIR-10 INTENT-2 and 1CLICK-2 Tasks (in Japanese), IPSJ SIG Technical Report Vol.2012-IFAT-106, No.4, March 2012. slides

2011

  • Joho, H. and Sakai, T.: Grid-based Interaction Model for NTCIR-9 VisEx Task (in Japanese), 7th Workshop of JSAI SIG-IC, December 2011.

  • Joho, H. and Sakai, T.: Grid-based Interaction for NTCIR-9 VisEx Task, NTCIR-9 Proceedings, pp.533-540, December 2011. pdf

  • Morita, H., Makino, T., Sakai, T., Takamura, H. and Okumura, M.: TTOKU Summarization Based Systems at NTCIR-9 1CLICK Task, NTCIR-9 Proceedings, pp.208-215, December 2011. pdf
  • Han, J., Wang, Q., Orii, N., Dou, Z., Sakai. T. and Song, R.: Microsoft Research Asia at the NTCIR-9 Intent Task, NTCIR-9 Proceedings, pp.116-122, December 2011. pdf
  • Orii, N., Song, Y.-I. and Sakai, T.: Microsoft Research Asia at the NTCIR-9 1CLICK Task, NTCIR-9 Proceedings, pp.216-222, December 2011. pdf
  • Sakai, T., Kato, M.P. and Song, Y.-I.: Overview of NTCIR-9 1CLICK, NTCIR-9 Proceedings, pp.180-201, December 2011. pdf
  • Song, R., Zhang, M., Sakai, T., Kato, M.P., Liu, Y., Sugimoto, M., Wang, Q. and Orii, N.: Overview of the NTCIR-9 INTENT Task, NTCIR-9 Proceedings, pp.82-105, December 2011. pdf
  • Sakai, T., Joho, H.: Overview of NTCIR-9, NTCIR-9 Proceedings, pp.1-7, December 2011. pdf  slides
  • Kando, N., Ishikawa, D., Sugimoto, M., Gey, F.C., Sakai, T., Akiba, T., Shima, H., Geva, S., Tang, E., Trotman, A., Kato, T., Lu, B. and Goto, I. (eds.): Proceedings of NTCIR-9, 2011. online proceedings
    •
  • Ishikawa, D., Kando, N. and Sakai, T.: What Makes a Good Answer in Community Question Answering? An Analysis of Assessors' Criteria, EVIA 2011 Proceedings, pp.14-19, December 2011. pdf
  • Akiba, T. and Sakai, T.: Japanese Hyponymy Extraction based on a Term Similarity Graph, IPSJ SIG Technical Report Vol.2011-IFAT-104, pp.1-6, November 2011. pdf
  • Sakai, T., Kato, M.P. and Song, Y.-I.: Click the Search Button and Be Happy: Evaluating Direct and Immediate Information Access, ACM CIKM 2011, pp.621-630, October 2011. preprint
  • Ishikawa, D., Sakai, T., Seki, Y., Kuriyama, K. and Kando, N.: Automatic Prediction of High-Quality Answers in Community QA (in Japanese), Japan Society of Information and Knowledge Journal, Vol.21, September 2011. pdf
  • Sakai, T.: NTCIREVAL: A Generic Toolkit for Information Access Evaluation, FIT 2011, Volume 2, pp.23-30, September 2011. preprint
  • Sakai, T. and Song, R.: Evaluating Diversified Search Results Using Per-Intent Graded Relevance, ACM SIGIR 2011, pp.1043-1052, July 2011. preprint
  • Morita, H., Sakai, T. and Okumura, M.: Query Snowball: A Co-occurrence-based Approach to Multi-Document Summarization for Question Answering, ACL-HLT 2001, pp.223-229, June 2011. pdf
  • Aikawa, N., Sakai, T. and Yamana, H.: Community QA Question Classification: Is the Asker Looking for Subjective Answers or Not?, IPSJ TOD, Vol.4, No.2 (TOD50), pp.1-9, July 2011. pdf
  • Ishikawa, D., Sakai, T., Seki, Y., Kuriyama, K. and Kando, N.: Determination of the Quality of Answers in Community QA by Multiple Assessors (in Japanese), Japan Society for Information and Knowledge 19th Annual Conference Proceedings, May 2011.
  • Sakai, T.: Challenges in Diversity Evaluation (keynote), ECIR 2011 Workshop on Diversity in Document Retrieval, April 2011. online proceedings
  • Kato, M.P., Sakai, T. and Tanaka, K.: Query Session Data vs. Clickthrough Data as Query Suggestion Resources, ECIR 2011 Workshop on Session Information Retrieval,  April 2011.
  • Sakai, T., Ishikawa, D., Kando, N., Seki, Y., Kuriyama, K. and Lin, C.-Y.: Using Graded-Relevance Metrics for Evaluating Community QA Answer Selection, ACM WSDM 2011 oral presentation paper, pp.187-196, February 2011. preprint

2010

  • Webber, W., Sakai, T. and Sanderson, M.: EVIA 2010: The Third International Workshop on Evaluating Information Access, ACM SIGIR Forum, Vol.44, No.2, to appear, December 2010. pdf
  • Aikawa, N., Sakai, T. and Yamana, H.: Community QA Question Classification: Is the Asker Looking for Subjective Answers or Not?, WebDB Forum 2010, November 2010. WebDB Forum 2010 Paper Award.
  • Sakai, T., Ishikawa, D., Kuriyama, K., Seki, Y. and Kando, N.: Selecting Good Answers for Community QA: A Note on Evaluation Methods (in Japanese), Forum on Information Technology 2010, Volume 2, RD-003, pp.13-20, September 2010.
  • Sakai, T.: Mutilinguality at NTCIR, and moving on... (invited talk)
    Proceedings of the COLING 2010 Fourth Workshop on Cross Lingual Information Access, p.2, August 2010.
  • Sakai, T., Shima, H., Kando, N., Song, R., Lin, C.-J., Mitamura, T., Sugimoto, M. and Lee, C.-W.: Overview of NTCIR-8 ACLIA IR4QA, NTCIR-8 Proceedings, pp.63-93, June 2010. pdf
  • Sakai, T., Ishikawa, D. and Kando, N.: Overview of the NTCIR-8 Community QA Pilot Task (Part II): System Evaluation, NTCIR-8 Proceedings, pp.433-457, June 2010. pdf
  • Song, Y.-I., Liu, J., Sakai, T., Wang, X.-J., Feng, G., Cao, Y., Suzuki, H. and Lin, C.-Y.: Microsoft Research Asia with Redmond at the NTCIR-8 Community QA Pilot Task, NTCIR-8 Proceedings, pp.458-465, June 2010. pdf
  • Mitamura, T., Shima, H., Sakai, T., Kando, N., Mori, T., Takeda, K., Lin, C.-Y., Song, R., Lin, C.-J. and Lee, C.-W.: Overview of the NTCIR-8 ACLIA Tasks: Advanced Cross-Lingual Information Access, NTCIR-8 Proceedings, pp.15-24, June 2010. pdf
  • Ishikawa, D., Sakai, T. and Kando, N.: Overview of the NTCIR-8 Community QA Pilot Task (Part I): The Test Collection and the Task, NTCIR-8 Proceedings, pp.421-432, June 2010. pdf
  • Gey, F., Larson, R., Kando, N., Machado, J. and Sakai, T.: NTCIR-GeoTime Overview: Evaluating Geographic and Temporal Search, NTCIR-8 Proceedings, pp.147-153, June 2010. pdf
  • Sakai, T. and Lin, C.-Y.: Ranking Retrieval Systems without Relevance Assessments – Revisited, EVIA 2010 Proceedings, pp.25-33, June 2010. pdf
  • Sakai, T., Craswell, N., Song, R., Robertson, S., Dou, Z. and Lin, C.-Y.: Simple Evaluation Metrics for Diversified Search Results, EVIA 2010 Proceedings, pp.42-50, June 2010. pdf
  • Song, R., Qi, D., Liu, H., Sakai, T., Nie, J.-Y., Hon, H.-W. and Yu, Y.: Constructing a Test Collection with Multi-Intent Queries, EVIA 2010 Proceedings, pp.51-59, June 2010. pdf
  • Sakai, T., Sanderson, M., Webber, W., Kando, N. and Kishida, K. (eds.): Proceedings of the 3rd International Workshop on Evaluating Information Access (EVIA 2010), June 2010. online proceedings
  • Ishikawa, D., Kuriyama, K., Sakai, T., Seki, Y. and Kando, N.: Analysis of Best-Answer Estimation for a Q&A Site and its Application to Machine Learning (in Japanese), Japan Society for Information and Knowledge 18th Annual Conference Proceedings, May 2010.
  • Sakai, T. and Mitamura, T.: Boiling Down Information Retrieval Test Collections, RIAO 2010 Proceedings, April 2010. pdf

2009

  • [Book chapters] The Association for Natural Language Processing (ed.) Encyclopedia of Natural Language Processing (in Japanese), Kyoritsu Shuppan, December 2009. table of contents pdf
  • Kamps, J., Geva, S., Peters, C., Sakai, T., Trotman, A. and Voorhees, E.: Report on the SIGIR 2009 Workshop on the Future of IR Evaluation, ACM SIGIR Forum, Vol.43, No.2, pp.13-23, December 2009. pdf
  • Sakai, T.: People, Clouds, and Interaction for Information Access (invited paper), IUCS 2009, pp.179-180, December 2009. doi
  • Lee, G.G., Song, D., Lin, C.-Y., Aizawa, A., Kuriyama, K., Yoshioka, M. and Sakai, T. (eds.): 5th Asia Information Retrieval Symposium (AIRS 2009), Lecture Notes in Computer Science 5839, October 2009.
  • Sakai, T., Kando, N., Shima, H., Lin, C.-J. Song, R., Sugimoto, M. and Mitamura, T.: Ranking the NTCIR ACLIA IR4QA Systems without Relevance Assessments, DBSJ Journal, Vol.8, No.2, pp.1-6, September 2009. pdf
  • Sakai, T. and Nogami, K.: Serendipitous Search via Wikipedia: A Query Log Analysis,
    ACM SIGIR 2009 Proceedings, pp.780-781, 2009. doi
  • Geva, S., Kamps, J., Peters, C., Sakai, T., Trotman, A. and Voorhees, E. (eds.): Proceedings of the SIGIR 2009 Workshop on the Future of IR Evaluation, July 2009. proceedings pdf
  • Sakai, T., Kando, N., Lin, C.-J., Song, R., Shima, H. and Mitamura, T.: Revisiting NTCIR ACLIA IR4QA with Additional Relevance Assessments, IPSJ SIG Technical Report Vol.2009-DBS-148 No.9 / Vol.2009-FI-95, pp.1-8, July 2009.
  • Sakai, T., Sanderson, M. and Kando, N.: EVIA 2008: The Second International Workshop on Evaluating Information Access, ACM SIGIR Forum, Vol.43, No.1, pp.44-46, June 2009. pdf
  • Sakai, T., Kando, N., Lin, C.-J., Song, R., Shima, H. and Mitamura, T.: NTCIR-7 ACLIA IR4QA Results based on Qrels Version 2, NTCIR-7 Online Proceedings, June 2009. pdf
  • Sakai. T.: On the Robustness of Information Retrieval Metrics to Biased Relevance Assessments, Journal of Information Processing, pp.156-166, April 2009. pdf Also available in IPSJ Journal, Vol.50, No.4, pp.1410-1420, 2009.
  • Sakai, T. and Nogami. K.: Exploratory Search via Wikipedia: A Query Log Analysis (in Japanese), IPSJ SIG Technical Report Vol.2009-FI-93 / Vol. 2009-NL-189, pp.105-112, January 2009.

2008

  • Sakai, T., Sanderson, M., Kando, N. and Sugimoto, M. (eds.):
    Proceedings of the Second International Workshop on Evaluating Information Access (EVIA 2008), December 2008.     online proceedings
  • Sakai, T., Kando, N., Lin, C.-J., Mitamura, T., Shima, H., Ji, D., Chen, K.-H., and Nyberg, E.: Overview of the NTCIR-7 ACLIA IR4QA Task, NTCIR-7 Proceedings, pp.77-114, December 2008. pdf
  • Mitamura, T., Nyberg, E., Shima, H., Kato, T., Mori, T., Lin, C.-Y., Song, R., Lin, C.-J., Sakai, T., Ji, D. and Kando, N.: Overview of the NTCIR-7 ACLIA Tasks: Advanced Cross-Lingual Information Access, NTCIR-7 Proceedings, pp.11-25, December 2008. pdf
  • Sakai, T. and Kando, N.: Are Popular Documents More Likely To Be Relevant? A Dive into the ACLIA IR4QA Pools, Proceedings of the Second International Workshop on Evaluating Information Access (EVIA 2008), pp.8-9, December 2008. pdf
  • Sakai, T. and Robertson, S.: Modelling A User Population for Designing Information Retrieval Metrics, Proceedings of the Second International Workshop on Evaluating Information Access (EVIA 2008), pp.30-41, December 2008. pdf
  • Sakai, T., Kato, T., Fujii, A., Namba, H., Seki, Y., Mitamura, T. and Kando, N.: Breaking News from NTCIR-7 (in Japanese), IPSJ SIG Technical Report Vol.2008-FI-92, pp.23-38, November 2008.
  • Sakai, T.: Comparing Metrics across TREC and NTCIR: The Robustness to System Bias, ACM CIKM 2008 Proceedings, pp.581-590, October 2008. doi
  • Sakai, T., Oyamada, H., Nogami, K., Kitamura, H., Kajiura, M., Higashi, M., Nonaka, Y., Ono, M. and Kikuchi, Y.: Design and Development of an Exploratory Search System based on Clickthroughs (in Japanese), Forum on Information Technology 2008, RD-001, September 2008. FIT 2008 Funai Best Paper Award. pdf
  • Sakai, T.: Comparing Metrics across TREC and NTCIR: The Robustness to Pool Depth Bias, ACM SIGIR 2008 Proceedings, pp.691-692, July 2008. doi
  • Webber, W., Moffat, A., Zobel, J. and Sakai, T.: Precision-At-Ten Considered Redundant, ACM SIGIR 2008 Proceedings, pp.695-696, July 2008. doi
  • Sakai, T.: Comparing Metrics across TREC and NTCIR: The Robustness to System Bias, IPSJ SIG Technical Report Vol.2008-FI-91 / Vol.2008-DBS-145, pp.1-8, June 2008.
  • Kando, N., Mitamura, T. and Sakai, T.: Introduction to the NTCIR-6 Special Issue, ACM Transactions on Asian Language Information Processing (TALIP), Volume 7, Issue 2, Article No.4, June 2008.
  • Sakai, T. and Kando, N.: On Information Retrieval Metrics Designed for Evaluation with Incomplete Relevance Assessments, Information Retrieval, Vol.11, No.5, pp.447-470, Springer, March 2008. pdf
  • Sakai, T.: Information Retrieval Test Collections and Evaluation Metrics: A Tutorial (in Japanese), IPSJ SIG Technical Report Vol.2008-FI-89 / Vol.2008-NL-183, pp.1-8, January 2008.
  • Li, H., Liu, T., Ma, W.-Y., Sakai, T., Wong, K.-F. and Zhou, G. (eds.):
    4th Asia Information Retrieval Symposium (AIRS 2008), Lecture Notes in Computer Science 4993, January 2008.

2007

  • Tsutsui, H., Manabe, T., Fukui, M., Sakai, T., Fujii, H. and Urata, K.: Recovering Interrogative Phrases for Effective Speech Input Question Answering (in Japanese), IPSJ Journal, Vol.48, No.12, pp.3612-3623, December 2007.
  • Sanderson, M., Sakai, T. and Kando, N.: EVIA 2007: The First International Workshop on Evaluating Information Access, ACM SIGIR Forum, Vol.41, No.2, pp.109-111, December 2007. pdf
  • Sakai, T. and Kando, N.: A Further Note on Alternatives to Bpref, IPSJ SIG Technical Report Vol.2007-FI-88, pp.7-14, November 2007.
  • Sakai, T.: On the Properties of Evaluation Metrics for Finding One Highly Relevant Document, IPSJ TOD, Vol.48, No.SIG 9 (TOD35), pp.29-46, 2007. IPSJ 2007 Best Paper Award. Also available in IPSJ Digital Courier, Vol.3, pp.643-660, September 2007. pdf
  • Sakai, T.: Evaluating Information Retrieval Metrics based on Bootstrap Hypothesis Tests, IPSJ TOD, Vol.48, No.SIG 9 (TOD35), pp.11-28, 2007. Also available in IPSJ Digital Courier, Vol.3, pp.625-642, September 2007 pdf
  • Sakai, T.: Evaluating the Task of Finding One Relevant Document Using Incomplete Relevance Data, FIT 2007 Information Technology Letters, LD-003, pp.91-94, September 2007.
  • Sakai, T.: Alternatives to Bpref, ACM SIGIR 2007 Proceedings, pp.71-78, July 2007. doi
  • Sakai, T., Uehara, T., Shimomori, T., Koyama, M. and Fukui, M.: Pic-A-Topic: Efficient Viewing of Informative TV Contents on Travel, Cooking, Food and More, RIAO 2007 Proceedings, May 2007.
  • Sakai, T., Koyama, M., Izuha, T., Kumano, A., Manabe, T. and Kokubu, T.: Toshiba BRIDJE at NTCIR-6 CLIR: The Head/Lead Method and Graded Relevance Feedback, NTCIR-6 Proceedings, pp.36-43, May 2007. pdf
  • Sakai, T.: User Satisfaction Task: A Proposal for NTCIR-7, Proceedings of the First Workshop on Evaluating Information Access (EVIA 2007), pp.82-85, May 2007. pdf
  • Sakai, T.: On Penalising Late Arrival of Relevant Documents in Information Retrieval Evaluation with Graded Relevance, Proceedings of the First Workshop on Evaluating Information Access (EVIA 2007), pp.32-43, May 2007. pdf
  • Sakai, T., Sanderson, M. and Evans, D.K. (eds.):
    Proceedings of the First International Workshop on Evaluating Information Access (EVIA 2007), May 2007.     online proceedings
  • Sakai, T.: On the Reliability of Factoid Question Answering Evaluation, ACM Transactions on Asian Language Information Processing (TALIP), Volume 6, Issue. 1, Article 3, April 2007. doi
  • Sakai, T.: On the Reliability of Information Retrieval Metrics based on Graded Relevance, Information Processing and Management, Volume 43, Issue 2, pp.531-548, March 2007.
  • Koyama, M., Sakai, T., Fukui, M., Uehara, T. and Shimomori, T.: Automatic Generation of Topic Labels for Efficient Video Viewing (in Japanese), IPSJ SIG Technical Report, Vol.2007-FI-86, pp.17-23, March 2007.

2006

  • Sakai, T.: Bootstrap-Based Comparisons of IR Metrics for Finding One Relevant Document, AIRS 2006, Lecture Notes in Computer Science 4182, pp.374-389, Springer, October 2006.
  • Sakai, T., Uehara, T., Sumita, K. and Shimomori, T.: Pic-A-Topic: Gathering Information Efficiently from Recorded TV Shows on Travel, AIRS 2006, Lecture Notes in Computer Science 4182, pp.429-444, Springer, October 2006.
  • Tsutsui, H., Manabe, T., Fukui, M., Sakai, T., Fujii, H. and Urata, K.: Improving the Robustness to Recognition Errors in Speech Input Question Answering, AIRS 2006, Lecture Notes in Computer Science 4182, pp.297-312, October 2006.
  • Sakai, T.: Controlling the Penalty on Late Arrival of Relevant Documents in Information Retrieval Evaluation with Graded Relevance, IPSJ SIG Technical Report, Vol.2006-FI-84 / Vol.2006-NL-175, pp.57-64, September 2006.
  • Sakai. T.: A Note on Progress in Document Retrieval Technology based on the Official NTCIR Results (in Japanese), Forum on Information Technology 2006 Information Technology letters, LD-007, pp.67-70, 2006.
  • Sakai, T.: Evaluating Evaluation Metrics based on the Bootstrap, ACM SIGIR 2006 Proceedings, pp.525-532, August 2006. doi
  • Sakai, T.: Give Me Just One Highly Relevant Document: P-measure, ACM SIGIR 2006 Proceedings, pp.695-696, August 2006. doi
  • Sakai, T.: On the Task of Finding One Highly Relevant Document with High Precision, IPSJ TOD, Vol.47, No.SIG 4 (TOD29), pp.13-27, 2006. IPSJ 2006 Best Paper Award. Also available in IPSJ Digital Courier, Vol.2, pp.174-188, March 2006. pdf
  • Sakai, T.: A Further Note on Evaluation Metrics for the Task of Finding One Highly Relevant Document, IPSJ SIG Technical Report, Vol.2006-FI-82 / Vol.2006-DD-54, pp.69-76, 2006. IPSJ 2006 Yamashita SIG Research Award.
  • Sakai, T.: For Building Better Retrieval Systems : Trends in Information Retrieval Evaluation based on Graded Relevance (in Japanese), IPSJ Magazine, Vol.47, No.2, pp.147-158, February 2006.

2005

  • Sakai, T., Manabe, T., Kumano, A., Koyama, M. and Kokubu, T.: Toshiba BRIDJE at NTCIR-5: Evaluation using Geometric Means, NTCIR-5 Proceedings, pp.56-63, December 2005. pdf
  • Sakai, T.: The Effect of Topic Sampling on Sensitivity Comparisons of Information Retrieval Metrics, NTCIR-5 Proceedings (Open Submission Session), pp.505-512, December 2005. pdf
  • Kokubu, T., Sakai, T., Saito, Y., Tsutsui, H., Manabe, T., Koyama, M. and Fujii, H.: The Relationship between Answer Ranking and User Satisfaction in a Question Answering System, NTCIR-5 Proceedings (Open Submission Session), pp.537-544, December 2005. pdf
  • Sakai, T. and Matsumoto, Y.: Introduction to the Special Issue: Recent Advances in Information Processing and Access for Japanese, ACM TALIP, Volume 4, Issue 4, pp.375-376, December 2005. doi
  • Sakai, T.: The Reliability of Metrics based on Graded Relevance, AIRS 2005, Lecture Notes in Computer Science 3689, pp.1-16, Springer, 2005.
  • Sakai, T.: The Effect of Topic Sampling in Sensitivity Comparisons of Information Retrieval Metrics, IPSJ SIG Technical Report, Vol.2005-FI-80 / Vol.2005-NL-169, pp.65-72, September 2005.
  • Sakai, T.: An Evaluation Metric for the Task of Retrieving One Highly Relevant Document with High Precision (in Japanese), Forum on Information Technology 2005 Information Technology Letters, LD-002, pp.69-72, September 2005. FIT 2005 Paper Award. pdf
  • 渡辺智幸, 後藤正幸, 石田崇, 酒井哲也, 平澤茂一: 教学支援システムに関する学生アンケートの分析, FIT 2005 一般講演論文集, September 2005.
  • Kokubu, T., Sakai, T., Saito, Y., Tsutsui, H., Manabe, T., Fujii, H. and Koyama, M.: The Relationship between Answer Ranknig and User Satisfaction in a Question Answering System (in Japanese), IPSJ SIG Technical Report, Vol.2005-NL-168, pp.47-54, July 2005.
  • Sakai, T.: Advanced Technologies for Information Access (invited paper),
    International Journal of Computer Processing of Oriental Languages, Vol.18, No.2, pp.95-113, June 2005.
  • Sakai, T., Manabe, T. and Koyama, M: Flexible Pseudo-Relevance Feedback via Selective Sampling, ACM TALIP, Volume 4, Issue 2, pp.111-135, June 2005. doi
  • Ichimura, Y., Saito, Y., Sakai, T., Kokubu, T. and Koyama, M.: The Effect of Japanese Named Entity Extraction and Answer Type Taxonomy on the Performance of a Question Answering System (in Japanese), IEICE Transactions, Vol.J88-DII, No.6, pp.1067-1079, June 2005.
  • 石田崇, 足立鉱史, 後藤正幸, 酒井哲也, 平澤茂一: インターネットを用いた研究支援環境～情報検索システム～, 経営情報学会2005年度春季全国研究発表大会, pp.302-305, June 2005.
  • 平澤茂一, 石田崇, 足立鉱史, 後藤正幸, 酒井哲也: 文書分類技法とそのアンケート分析への応用, 経営情報学会2005年度春季全国研究発表大会, pp.54-57, June 2005.
  • Sakai, T.: On the Stability of Ranking Systems at Evaluation Workshops (in Japanese), NLP 2005 Workshop, March 2005.
  • Tsutsui, H., Manabe, T., Fukui, M., Fujii, H., Urata, K. and Sakai, T.: Improving the Robustness to Recognition Errors in Speech Input Question Answering (in Japanese), IPSJ SIG Technical Report, Vol.2005-NL-166, pp.31-38, March 2005.
  • Sakai, T.: Ranking the NTCIR Systems based on Multigrade Relevance, AIRS 2004, Lecture Notes in Computer Science 3411, pp. 251-262, Springer, 2005.

2004

  • Sakai, T.: A Note on the Reliability of Japanese Question Answering Evaluation, IPSJ SIG Technical Report, Vol.2004-FI-77, pp.57-64, November 2004.
  • 石田崇, 足立鉱史, 後藤正幸, 酒井哲也, 平澤茂一: 情報検索技術を用いた選択式・自由記述式の学生アンケート解析, 経営情報学会2004年度秋季全国研究発表大会, pp.466-469, November 2004.
  • Sakai, T., Saito, Y., Kokubu, T., Koyama, M. and Manabe, T.:
    High-Precision Search via Question Abstraction for Japanese Question Answering, IPSJ SIG Technical Report, Vol.2004-FI-76 / Vol.2004-NL-163, pp.139-146, September 2004.
  • Koyama, M., Sakai, T. and Manabe, T.: Extraction and Classification of Term Definitions Using Named Entity Extraction from News Articles (in Japanese), IPSJ SIG Technical Report, Vol.2004-FI-76 / Vol.2004-NL-163, pp.45-51, September 2004.
  • 酒井哲也, 石田崇, 後藤正幸, 平澤茂一: 自然言語表現に基づく学生アンケート分析システム,
    FIT 2004 一般講演論文集 N-021, pp.325-328, September 2004.
  • Sakai, T., Saito, Y., Ichimura, Y., Kokubu, T. and Koyama, M.: The Effect of Back-Formulating Questions in Question Answering Evaluation, ACM SIGIR 2004 Proceedings, pp.474-475, July 2004. doi
  • Sakai, T.: New Performance Metrics based on Multigrade Relevance: Their Application to Question Answering, NTCIR-4 Proceedings (Open Submission Session), June 2004. pdf
  • Sakai, T., Saito, Y., Ichimura, Y., Koyama, M. and Kokubu, T.: Toshiba ASKMi at NTCIR-4 QAC2, NTCIR-4 Proceedings, June 2004. pdf
  • Sakai, T., Koyama, M., Kumano, A. and Manabe, T.: Toshiba BRIDJE at NTCIR-4 CLIR:
    Monolingual/Bilingual IR and Flexible Feedback, NTCIR-4 Proceedings, June 2004.     pdf
  • Ichimura, Y., Saito, Y., Sakai, T., Kokubu, T. and Koyama, M.: A Study of the Relations among Question Answering, Japanese Named Entity Extraction, and Named Entity Taxonomy (in Japanese), IPSJ SIG Technical Report, Vol.2004-NL-161, May 2004.
  • Sakai, T., Saito, Y., Ichimura, Y., Koyama, M., Kokubu, T. and Manabe, T.: ASKMi: A Japanese Question Answering System based on Semantic Role Analysis, RIAO 2004 Proceedings, pp.215-231, April 2004.
  • Urata, K., Fukui, M., Fujii, H., Suzuki, M., Sakai, T., Saito, Y., Ichimura, Y. and Sasaki, H.: A Multimodal Help System based on Question Answering Technology (in Japanese), IPSJ SIG Technical Report, Vol.2004-FI-74, March 2004.

2003

  • 伊藤潤, 酒井哲也, 平澤茂一: 係り受け木を用いた日本語文書の重要部分抽出, 情報処理学会研究報告 Vol.2003-NL-158, pp.19-24, November 2003.
  • 石田崇, 伊藤潤, 後藤正幸, 酒井哲也, 平澤茂一: 授業モデルとその検証, 経営情報学会2003年度秋季全国研究発表大会, pp.226-229, November 2003.
  • 後藤正幸, 伊藤潤, 石田崇, 酒井哲也, 平澤茂一: ベイズ統計を用いた文書ファイルの自動分析手法, 経営情報学会2003年度秋季全国研究発表大会, pp.28-31, November 2003.
  • Sakai, T., Koyama, M., Suzuki, M. and Manabe, T.: Toshiba KIDS at NTCIR-3: Japanese and English-Japanese IR, NTCIR-3 Proceedings, October 2003. pdf
  • 國分智晴, 酒井哲也: 質問応答システムにおけるパッセージ検索の評価, FIT 2003 一般講演論文集, September 2003.
  • 伊藤潤, 石田崇, 後藤正幸, 酒井哲也, 平澤茂一: PLSIを利用した文書からの知識発見, FIT 2003 一般講演論文集, pp.83-84, September 2003.
  • 平澤茂一, 石田崇, 伊藤潤, 後藤正幸, 酒井哲也: 授業に関する選択式・記述式アンケートの分析, 私立大学情報教育協会平成15年度大学情報化全国大会, pp.144-145, September 2003.
  • 後藤正幸, 酒井哲也, 伊藤潤, 石田崇, 平澤茂一: 選択式・記述式アンケートからの知識発見, 2003 PCカンファレンス, pp.43-46, 2003. pdf
  • Sakai, T.: Average Gain Ratio: A Simple Retrieval Performance Measure for Evaluation with Multiple Relevance Levels, ACM SIGIR 2003 Proceedings, pp.417-418, July 2003. doi
  • Sakai, T. and Kokubu, T.: Evaluating Retrieval Performance for Japanese Question Answering: What Are Best Passages? ACM SIGIR 2003 Proceedings, pp.429-430, July 2003. doi
  • Sakai, T., Koyama, M., Suzuki, M., Kumano, A. and Manabe, T.: BRIDJE over a Language Barrier: Cross-Language Information Access by Integrating Translation and Retrieval, IRAL 2003 Proceedings, pp.65-76, July 2003. pdf
  • 酒井哲也, 伊藤潤, 後藤正幸, 石田崇, 平澤茂一: 情報検索技術を用いた効率的な授業アンケートの分析, 経営情報学会2003年度春季全国研究発表大会, pp.182-185, June 2003.
  • 小山誠, 真鍋俊彦, 木村和広, 酒井哲也: 汎用シソーラスと擬似適合性フィードバックとを用いた検索質問拡張, 「情報アクセスのためのテキスト処理」シンポジウム, February 2003.

2002

  • 酒井哲也, 小山誠, 鈴木優, 真鍋俊彦: 意味役割解析に基づく高適合英語文書の検索, FIT 2002 情報技術レターズ LD-8, pp.67-78, November 2002.
  • Sakai, T.: The Use of External Text Data in Cross-Language Information Retrieval based on Machine Translation,  IEEE SMC 2002 Proceedings, October 2002.
  • Sakai, T., Kumano, A. and Manabe, T.: Generating Transliteration Rules for Cross-Language Information Retrieval from Machine Translation Dictionaries,  IEEE SMC 2002 Proceedings, October 2002.
  • Sakai, T. and Robertson, S.E: Relative and Absolute Term Selection Criteria: A Comparative Study for English and Japanese IR,  ACM SIGIR 2002 Proceedings, pp.411-412, August 2002. doi

2001

  • Jones, G.J.F., Collier, N.H., Sakai, T., Sumita, K. and Hirakawa, H.: A Framework for Cross-Language Information Access: application to English and Japanese, Computers and the Humanities, Vol.35, No.4, pp.371-388, November 2001.
  • Sakai, T.: Combining the Ranked Output from Fulltext and Summary Indexes,
    ACM SIGIR 2001 Workshop on Text Summarization, pp.27-34, September 2001.
  • Sakai, T. and Sparck Jones, K.: Generic Summaries for Indexing in Information Retrieval, ACM SIGIR 2001 Proceedings, pp.190-198, 2001. doi
  • Sakai, T. and Robertson, S.E.: Flexible Pseudo-Relevance Feedback Using Optimization Tables, ACM SIGIR 2001 Proceedings, pp.396-397, September 2001. doi
  • 平澤茂一, 松嶋敏泰, 鴻巣敏之, 酒井哲也, 中澤真, 李相協, 野村亮: インターネットを用いた研究活動支援システム, 2001 PCカンファランス, August 2001.
  • Sakai, T.: Japanese-English Cross-Language Information Retrieval using Machine Translation and Pseudo-Relevance Feedback, International Journal of Computer Processing of Oriental Languages,Vol.14, No.2, pp.83-107, June 2001.
  • Sakai, T. and Sparck Jones, K.: Generic Summaries for Indexing in Information Retrieval - Detailed Test Results, TR513, Computer Laboratory, University of Cambridge, May 2001.
  • Sakai, T., Robertson, S.E. and Walker, S.: Flexible Pseudo-Relevance Feedback via Direct Mapping and Categorization of Search Requests, BCS-IRSG ECIR 2001 Proceedings, pp.3-14, April 2001.
  • Sakai, T., Robertson, S.E. and Walker, S.: Flexible Pseudo-Relevance Feedback for NTCIR-2, NTCIR-2 Proceedings, pp.165-172, March 2001. pdf

2000

  • Sakai, T., Kajiura, M. and Sumita K: A First Step towards Flexible Local Feedback for Ad hoc Retrieval, IRAL 2000 Proceedings, pp.95-102, September 2000.
  • Sakai, T.: MT-based Japanese-English Cross-Language IR Experiments using the TREC Test Collections, IRAL 2000 Proceedings, pp.181-188, September 2000.
  • Jones, G.J.F., Sakai, T., Kajiura, M. and Sumita, K: Incremental Relevance Feedback in Japanese Text Retrieval, Information Retrieval, Vol.2, No.4, pp.361-384, May 2000.

1999

  • Sakai, T., Kitani, T., Ogawa, Y., Ishikawa, T., Kimoto, H.,Keshi, I., Toyoura, J., Fukushima, T., Matsui, K., Ueda, Y.,Tokunaga, T., Tsuruoka, H., Nakawatase, H., Agata, T.and Kando, N.: BMIR-J2: A Test Collection for Evaluation of Japanese Information Retrieval Systems, ACM SIGIR Forum, Vol.33, No.1, pp.13-17, 1999. pdf
  • Sakai, T., Kajiura, M., Sumita, K., Jones, G. and Collier, N.: A Study on English-Japanese/Japanese-English Cross-Language Information Retrieval Using Machine Translation (in Japanese), IPSJ Journal, Vol.40, No.11, pp.4075-4086, November 1999.
  • Kimoto, H., Ogawa, Y., Ishikawa, T., Masunaga, Y., Fukushima, T., Tanaka, T., Nakawatase, H., Keshi, I., Toyoura, J., Miyauchi, T., Ueda, Y., Matsui, K., Kitani, T., Miike, S., Sakai, T., Tokunaga, T., Tsuruoka, H. and Agata, T.: Construction of a Test Collection for the Evaluation of Japanese Information Retrieval Systems (in Japanese), IPSJ Journal, Vol.40, No.9, pp.3537-3553, September 1999.
  • Jones, G., Sakai, T., Collier, N., Kumano, A. and Sumita, K.: Exploring the use of Machine Translation resources for English-Japanese Cross-Language Information Retrieval, MT Summit VII Workshop on Machine Translation for Cross Language Information Retrieval, pp.15-22, September 1999.
  • Jones, G., Sakai, T., Collier, N., Kumano, A. and Sumita, K.: A Comparison of Query Translation Methods for English-Japanese Cross-Language Information Retrieval, ACM SIGIR '99 Proceedings, pp.269-270, August 1999. doi
  • Sakai, T., Shibazaki, Y., Suzuki, M., Kajiura, M., Manabe, T. and Sumita, K.:
    Cross-Language Information Retrieval for NTCIR at Toshiba,
    NTCIR-1 Proceedings, pp.137-144, August 1999.     pdf
  • Sakai, T., Kajiura, M. and Sumita, K.: Probabilistic Retrieval of Japanese News Articles for IREX at Toshiba, IREX Workshop Proceedings, pp.87-91, 1999.
  • Sakai, T., Jones, G., Kajiura, M. and Sumita, K.: Query Expansion through Feedback in Japanese Information Filtering based on the Probabilistic Model (in Japanese), IPSJ Journal, Vol.40, No.5, pp.2429-2438, May 1999.
  • Sakai, T., Kajiura, M. and Sumita, K: A Study on Cross-language Information Retrieval using BMIR-J2 (in Japanese), IPSJ SIG Technical Report, Vol.99-NL-99, pp.41-48, January 1999.

1998

  • 酒井哲也, 小川泰嗣, 木谷強, 石川徹也, 木本晴夫, 中渡瀬秀一, 芥子育雄, 豊浦潤, 福島俊一, 松井くにお, 上田良寛, 徳永健伸, 鶴岡弘, 安形輝: 日本語テキスト情報検索システムの評価用テストコレクション, アドバンストデータベースシンポジウム'98, パネル：マルチメディア情報検索ベンチマークの未来, pp.103-106, December 1998.
  • Sakai, T., Kajiura, M. and Sumita, K.: Generation and Evaluation of Search Queries Using Boolean Expressions and Document Structure for Information Filtering (in Japanese), IPSJ Journal, Vol.39, No.11, pp.3076-3083, November 1998.
  • Sakai, T., Jones, G., Kajiura, M. and Sumita, K.: Application of Query Expansion Techniques in Probabilistic Japanese News Filtering, IRAL '98 Proceedings, pp.46-55, October 1998.
  • Jones, G., Collier, N., Sakai, T., Kajiura, M., Sumita, K. and Hirakawa, H.: Cross-Language Information Access: a case study for English and Japanese, IPSJ SIG Technical Report, Vol.98-FI-51, pp.47-54, September 1998.
  • Jones, G., Sakai, T., Kajiura, M. and Sumita, K.: Experiments in Japanese  Text Retrieval and Routing using the NEAT System, ACM SIGIR '98 Proceedings, pp.197-205, August 1998. doi
  • Kitani, T., Ogawa, Y., Ishikawa, T., Kimoto, H., Keshi, I., Toyoura, J., Fukushima, T., Matsui, K., Ueda, Y., Sakai, T., Tokunaga, T., Tsuruoka, H., Nakawatase, H., Agata, T.: Lessons from BMIR-J2: A Test Collection for Japanese IR Systems, ACM SIGIR '98 Proceedings, pp.345-346, August 1998. doi
  • Jones, G., Sakai, T., Kajiura, M. and Sumita, K.: First Experiments on the BMIR-J2 Collection using the NEAT System, IPSJ SIG Technical Report, Vol.98-FI-49, pp.57-64, May 1998.
  • Sakai, T., Jones, G.J.F., Kajiura, M. and Sumita, K.: Profile Generation at the User's Request for the NEAT Information Filtering System (in Japanese), Interaction '98, pp.149-152, March 1998.
  • 木本晴夫, 小川泰嗣, 石川徹也, 増永良文, 福島俊一, 田中智博, 中渡瀬秀一, 芥子育雄, 豊浦潤, 宮内忠信, 上田良寛, 松井くにお, 木谷強, 三池誠司, 酒井哲也, 徳永健伸, 鶴岡弘, 安形輝: 日本語情報検索システム評価用テストコレクションの構築, 情報学シンポジウム'98, pp.103-119, January 1998.
  • 酒井哲也, 小川泰嗣, 木谷強, 石川徹也, 木本晴夫, 中渡瀬秀一, 芥子育雄, 豊浦潤, 福島俊一, 松井くにお, 上田良寛, 徳永健伸, 鶴岡弘, 安形輝, 神門典子: 情報検索システム評価のためのテストコレクション, Computer Today, Vol.9, No.87, pp.31-35, サイエンス社, 1998.

1997

  • Sakai, T., Kajiura, M. and Sumita, K.: Profile Generation from Query Sentences for the NEAT Information Filtering System (in Japanese), IPSJ SIG Technical Report, Vol.97-FI-47, pp.83-88, September 1997.
  • 酒井哲也, 梶浦正浩, 三池誠司, 佐藤誠, 住田一男: ベンチマークBMIR-J2を用いた情報フィルタリングシステムNEATの評価, 第54会情報処理学会全国大会, pp.3-301-302, March 1997.
  • 梶浦正浩, 三池誠司, 酒井哲也, 佐藤誠, 住田一男: 情報フィルタリングシステムNEATの開発,
    第54回情報処理学会全国大会, pp.3-299-300, March 1997.
  • 住田一男, 上原龍也, 小野顕司, 酒井哲也, 池田朋男, 下郡信宏: WWW上のフロー情報を対象にした情報フィルタ (FreshEye), インタラクション'97, pp.63-64, 1997. pdf
  • 木谷強, 小川泰嗣, 石川徹也, 木本晴夫, 中渡瀬秀一, 芥子育雄, 豊浦潤, 福島俊一, 松井くにお, 上田良寛, 酒井哲也, 徳永健伸, 鶴岡弘, 安形輝: 日本語情報検索システム評価用テストコレクションBMIR-J2, 情報処理学会研究報告 1997-DBS-114, pp.15-22, January 1997.

1996

  • 福島俊一, 小川泰嗣, 石川徹也, 増永良文, 木本晴夫, 田中智博, 中渡瀬秀一, 芥子育雄, 豊浦潤, 宮内忠信, 上田良寛, 松井くにお, 三池誠司, 酒井哲也, 木谷強, 徳永健伸, 鶴岡弘, 安形輝: 日本語情報検索システム評価用テストコレクションBMIR-J1, 自然言語処理シンポジウム'96, 1996.

1995

  • 住田一男, 酒井哲也, 小野顕司, 三池誠司: 電子図書館のための効率的な文書検索, ディジタル図書館 No.3, pp.35-41, 1995.

1994

  • Sakai, T., Miike, S. and Sumita, K.: Evaluation of the Abstract Presentation Interface for a Document Retrieval System (in Japanese), IPSJ SIG Technical Report, 94-HI-57, pp.49-54, 1994.
  • Sakai, T., Itoh, E., Miike, S. and Sumita, K.: A User Interface for Generating Dynamic Abstracts of Retrieved Documents, 47th FID, pp.284-290, 1994.

 INVITED TALKS without papers

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