2016

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Deep Match between Geology Reports and Well Logs Using Spatial Information
Bin Tong | Martin Klinkigt | Makoto Iwayama | Yoshiyuki Kobayashi | Anshuman Sahu | Ravigopal Vennelakanti
Proceedings of the 25th ACM International Conference on Information and Knowledge Management, CIKM 2016, Indianapolis, IN, USA, October 24-28, 2016

2015

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Information Retrieval Boosted by Category for Troubleshooting Search System
Bin Tong | Toshihiko Yanase | Hiroaki Ozaki | Makoto Iwayama
Proceedings of the First International Workshop on Graph Search and Beyond, GSB 2015, co-located with The 38th Annual SIGIR Conference (SIGIR'15), Santiago, Chile, August 13th, 2015

2010

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Experiments for NTCIR-8 Technical Trend Map Creation Subtask at Hitachi
Yusuke Sato | Makoto Iwayama
Proceedings of the 8th NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, Question Answering and Cross-Lingual Information Access, NTCIR-8, National Center of Sciences, Tokyo, Japan, June 15-18, 2010

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NTCIR-8 Research Paper Classification Experiments at Hitachi
Hisao Mase | Makoto Iwayama
Proceedings of the 8th NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, Question Answering and Cross-Lingual Information Access, NTCIR-8, National Center of Sciences, Tokyo, Japan, June 15-18, 2010

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Overview of the Patent Mining Task at the NTCIR-8 Workshop
Hidetsugu Nanba | Atsushi Fujii | Makoto Iwayama | Taiichi Hashimoto
Proceedings of the 8th NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, Question Answering and Cross-Lingual Information Access, NTCIR-8, National Center of Sciences, Tokyo, Japan, June 15-18, 2010

2009

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Interactive constrained clustering for patent document set
Yusuke Sato | Makoto Iwayama
Proceedings of the 2nd International Workshop on Patent Information Retrieval, PaIR '09, Hong Kong, SAR, China, November 6, 2009

2008

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Overview of the Patent Mining Task at the NTCIR-7 Workshop
Hidetsugu Nanba | Atsushi Fujii | Makoto Iwayama | Taiichi Hashimoto
Proceedings of the 7th NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, Question Answering and Cross-Lingual Information Access, NTCIR-7, National Center of Sciences, Tokyo, Japan, December 16-19, 2008

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NTCIR-7 Patent Mining Experiments at Hitachi
Hisao Mase | Makoto Iwayama
Proceedings of the 7th NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, Question Answering and Cross-Lingual Information Access, NTCIR-7, National Center of Sciences, Tokyo, Japan, December 16-19, 2008

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The patent mining task in the seventh NTCIR workshop
Hidetsugu Nanba | Atsushi Fujii | Makoto Iwayama | Taiichi Hashimoto
Proceedings of the 1st ACM workshop on Patent Information Retrieval, PaIR 2008, Napa Valley, California, USA, October 30, 2008

2007

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Introduction to the special issue on patent processing
Atsushi Fujii | Makoto Iwayama | Noriko Kando
2007 Volume 43 Issue 5

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Overview of the Patent Retrieval Task at the NTCIR-6 Workshop
Atsushi Fujii | Makoto Iwayama | Noriko Kando
Proceedings of the 6th NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, Question Answering and Cross-Lingual Information Access, NTCIR-6, National Center of Sciences, Tokyo, Japan, May 15-18, 2007

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Overview of Classification Subtask at NTCIR-6 Patent Retrieval Task
Makoto Iwayama | Atsushi Fujii | Noriko Kando
Proceedings of the 6th NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, Question Answering and Cross-Lingual Information Access, NTCIR-6, National Center of Sciences, Tokyo, Japan, May 15-18, 2007

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NTCIR-6 Patent Retrieval Experiments at Hitachi
Hisao Mase | Makoto Iwayama
Proceedings of the 6th NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, Question Answering and Cross-Lingual Information Access, NTCIR-6, National Center of Sciences, Tokyo, Japan, May 15-18, 2007

2006

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Evaluating patent retrieval in the third NTCIR workshop
Makoto Iwayama | Atsushi Fujii | Noriko Kando | Yuzo Marukawa
2006 Volume 42 Issue 1

2005

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Overview of Patent Retrieval Task at NTCIR-5
Atsushi Fujii | Makoto Iwayama | Noriko Kando
Proceedings of the Fifth NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, Question Answering and Cross-Lingual Information Access, NTCIR-5, National Center of Sciences, Tokyo, Japan, December 6-9, 2005

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Overview of Classification Subtask at NTCIR-5 Patent Retrieval Task
Makoto Iwayama | Atsushi Fujii | Noriko Kando
Proceedings of the Fifth NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, Question Answering and Cross-Lingual Information Access, NTCIR-5, National Center of Sciences, Tokyo, Japan, December 6-9, 2005

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NTCIR-5 Patent Retrieval Experiments at Hitachi
Hisao Mase | Tadataka Matsubayashi | Yuichi Ogawa | Takaaki Yayoi | Yusuke Sato | Makoto Iwayama
Proceedings of the Fifth NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, Question Answering and Cross-Lingual Information Access, NTCIR-5, National Center of Sciences, Tokyo, Japan, December 6-9, 2005

2004

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Report on the patent retrieval task at NTCIR workshop 3
Makoto Iwayama | Atsushi Fujii | Noriko Kando | Akihiko Takano
2004 Volume 38 Issue 1

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Two-Stage Patent Retrieval Method Considering Claim Structure
Hisao Mase | Tadataka Matsubayashi | Yuichi Ogawa | Makoto Iwayama | Tadaaki Oshio
Proceedings of the Fourth NTCIR Workshop on Research in Information Access Technologies Information Retrieval, Question Answering and Summarization, NTCIR-4, National Center of Sciences, Tokyo, Japan, June 2-4, 2004

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Overview of Patent Retrieval Task at NTCIR-4
Atsushi Fujii | Makoto Iwayama | Noriko Kando
Proceedings of the Fourth NTCIR Workshop on Research in Information Access Technologies Information Retrieval, Question Answering and Summarization, NTCIR-4, National Center of Sciences, Tokyo, Japan, June 2-4, 2004

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Can Claim Analysis Contribute toward Patent Map Generation?
Akihiro Shinmori | Manabu Okumura | Yuzo Marukawa | Makoto Iwayama
Proceedings of the Fourth NTCIR Workshop on Research in Information Access Technologies Information Retrieval, Question Answering and Summarization, NTCIR-4, National Center of Sciences, Tokyo, Japan, June 2-4, 2004

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The patent retrieval task in the fourth NTCIR workshop
Atsushi Fujii | Makoto Iwayama | Noriko Kando
SIGIR 2004: Proceedings of the 27th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Sheffield, UK, July 25-29, 2004

2003

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An empirical study on retrieval models for different document genres: patents and newspaper articles
Makoto Iwayama | Atsushi Fujii | Noriko Kando | Yuzo Marukawa
SIGIR 2003: Proceedings of the 26th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, July 28 - August 1, 2003, Toronto, Canada

2002

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Rhetorical Structure Analysis of Japanese Patent Claims using Cue Phrases
Akihiro Shinmori | Manabu Okumura | Yuzo Marukawa | Makoto Iwayama
Proceedings of the Third NTCIR Workshop on Research in Information Retrieval, Automatic Text Summarization and Question Answering, NTCIR-3, Tokyo, Japan, October 8-10, 2002

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Overview of Patent Retrieval Task at NTCIR-3
Makoto Iwayama | Atsushi Fujii | Noriko Kando | Akihiko Takano
Proceedings of the Third NTCIR Workshop on Research in Information Retrieval, Automatic Text Summarization and Question Answering, NTCIR-3, Tokyo, Japan, October 8-10, 2002

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NTT DTEC at Patent Retrieval Task
Yohichi Nakatani | Koutarou Takada | Michihiro Isoda | Manabu Okumura | Makoto Iwayama | Yuzo Marukawa | Akihiro Shinmori
Proceedings of the Third NTCIR Workshop on Research in Information Retrieval, Automatic Text Summarization and Question Answering, NTCIR-3, Tokyo, Japan, October 8-10, 2002

2001

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The Effect of Document Clustering in Interactive Relecance Feedback
Makoto Iwayama | Yoshiki Niwa | Shingo Nishioka | Akihiko Takano | Toru Hisamitsu | Osamu Imaichi | Hirofumi Sakurai | Masakazu Fujio
Proceedings of the Third Second Workshop Meeting on Evaluation of Chinese & Japanese Text Retrieval and Text Summarization, NTCIR-2, Tokyo, Japan, March 7-9, 2001

2000

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Passage-Level Document Retrieval Using Lexical Chains
Hajime Mochizuki | Makoto Iwayama | Manabu Okumura
Computer-Assisted Information Retrieval (Recherche d'Information et ses Applications) - RIAO 2000, 6th International Conference, College de France, France, April 12-14, 2000. Proceedings

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Relevance reedback with a small number of relevance judgements: incremental relevance feedback vs. document clustering
Makoto Iwayama
SIGIR 2000: Proceedings of the 23rd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, July 24-28, 2000, Athens, Greece

1999

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Term Extraction Using A New Measure of Term Representativeness
Toru Hisamitsu | Yoshiki Niwa | Shingo Nishioka | Hirofumi Sakurai | Osamu Imaichi | Makoto Iwayama | Akihiko Takano
Proceedings of the First NTCIR Workshop on Research in Japanese Text Retrieval and Term Recognition, NTCIR-1, Tokyo, Japan, August 30 - September 1, 1999

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Interactive Document Search with DualNAVI
Yoshiki Niwa | Makoto Iwayama | Toru Hisamitsu | Shingo Nishioka | Akihiko Takano | Hirofumi Sakurai | Osamu Imaichi
Proceedings of the First NTCIR Workshop on Research in Japanese Text Retrieval and Term Recognition, NTCIR-1, Tokyo, Japan, August 30 - September 1, 1999

1997

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A probabilistic model of Passage Categorization
Makoto Iwayama | Takenobu Tokunaga
Computer-Assisted Information Retrieval (Recherche d'Information et ses Applications) - RIAO 1997, 5th International Conference, McGill University, Montreal, Canada, June 25-27, 1997. Proceedings

1995

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Cluster-Based Text Categorization: A Comparison of Category Search Strategies
Makoto Iwayama | Takenobu Tokunaga
SIGIR'95, Proceedings of the 18th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval. Seattle, Washington, USA, July 9-13, 1995 (Special Issue of the SIGIR Forum)

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