2016

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NEXTI at NTCIR-12 IMine-2 Task
Hidetsugu Nanba | Tetsuya Sakai | Noriko Kando | Atsushi Keyaki | Koji Eguchi | Kenji Hatano | Toshiyuki Shimizu | Yu Hirate | Atsushi Fujii
Proceedings of the 12th NTCIR Conference on Evaluation of Information Access Technologies, National Center of Sciences, Tokyo, Japan, June 7-10, 2016

2010

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Overview of the Patent Translation Task at the NTCIR-8 Workshop
Atsushi Fujii | Masao Utiyama | Mikio Yamamoto | Takehito Utsuro | Terumasa Ehara | Hiroshi Echizen-ya | Sayori Shimohata
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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A lemmatization method for Mongolian and its application to indexing for information retrieval
Badam-Osor Khaltar | Atsushi Fujii
2009 Volume 45 Issue 4

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Evaluating effects of machine translation accuracy on cross-lingual patent retrieval
Atsushi Fujii | Masao Utiyama | Mikio Yamamoto | Takehito Utsuro
Proceedings of the 32nd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2009, Boston, MA, USA, July 19-23, 2009

2008

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Overview of the Patent Translation Task at the NTCIR-7 Workshop
Atsushi Fujii | Masao Utiyama | Mikio Yamamoto | Takehito Utsuro
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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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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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

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Modeling anchor text and classifying queries to enhance web document retrieval
Atsushi Fujii
Proceedings of the 17th International Conference on World Wide Web, WWW 2008, Beijing, China, April 21-25, 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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Statistical Machine Translation based Passage Retrieval for Cross-Lingual Question Answering — Experiments at NTCIR-6
Tomoyosi Akiba | Kei Shimizu | Atsushi Fujii | Katunobu Itou
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 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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Non-factoid Question Answering Experiments at NTCIR-6: Towards Answer Type Detection for Realworld Questions
Junta Mizuno | Tomoyosi Akiba | Atsushi Fujii | Katunobu Itou
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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Integrating Content and Citation Information for the NTCIR-6 Patent Retrieval Task
Atsushi Fujii
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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Enhancing patent retrieval by citation analysis
Atsushi Fujii
SIGIR 2007: Proceedings of the 30th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Amsterdam, The Netherlands, July 23-27, 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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Question Answering Experiments at NTCIR-5: Acquisition of Answer Evaluation Patterns and Context Processing using Passage Retrieval
Yuichi Murata | Tomoyosi Akiba | Atsushi Fujii | Katunobu Itou
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 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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Exploiting Anchor Text for the Navigational Web Retrieval at NTCIR-5
Atsushi Fujii | Katunobu Itou | Tomoyosi Akiba | Tetsuya Ishikawa
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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Document Structure Analysis for the NTCIR-5 Patent Retrieval Task
Atsushi Fujii | Tetsuya Ishikawa
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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Bi-directional Cross Language Question Answering using a Single Monolingual QA System
Kei Shimizu | Tomoyosi Akiba | Atsushi Fujii | Katunobu Itou
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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Cyclone: an encyclopedic web search site
Atsushi Fujii | Katunobu Itou | Tetsuya Ishikawa
Proceedings of the 14th international conference on World Wide Web, WWW 2005, Chiba, Japan, May 10-14, 2005 - Special interest tracks and posters

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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Question Answering Using "Common Sense" and Utility Maximization Principle
Tomoyosi Akiba | Katunobu Itou | Atsushi Fujii
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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Experiments on Web Retrieval Driven by Spontaneously Spoken Queries
Tomoyosi Akiba | Atsushi Fujii | Tetsuya Ishikawa | Katunobu Itou
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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Document Structure Analysis in Associative Patent Retrieval
Atsushi Fujii | Tetsuya Ishikawa
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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Cross-Language IR at University of Tsukuba: Automatic Transliteration for Japanese, English, and Korean
Atsushi Fujii | Tetsuya Ishikawa
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

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Associative document retrieval by query subtopic analysis and its application to invalidity patent search
Toru Takaki | Atsushi Fujii | Tetsuya Ishikawa
Proceedings of the 2004 ACM CIKM International Conference on Information and Knowledge Management, Washington, DC, USA, November 8-13, 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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Towards Speech-Driven Question Answering: Experiments Using the NTCIR-3 Question Answering Collection
Tomoyosi Akiba | Katunobu Itou | Atsushi Fujii | Tetsuya Ishikawa
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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NTCIR-3 Patent Retrieval Experiments at ULIS
Atsushi Fujii | Tetsuya Ishikawa
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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NTCIR-3 Cross-Language IR Experiments at ULIS
Atsushi Fujii | Tetsuya Ishikawa
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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Evaluating Speech-Driven IR in the NTCIR-3 Web Retrieval Task
Atsushi Fujii | Katunobu Itou
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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Panel: Evaluation of Multilingual Information Access; Evaluation Methods & Metrics, Resources, & International Collaboration
Sung-Hyon Myaeng | Martin Braschler | Fredric C. Gey | Douglas W. Oard | Du Lin | Atsushi Fujii
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

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Evaluationg Multi-lingual Information Retrieval and Clustering at ULIS
Atsushi Fujii | Tetsuya Ishikawa
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

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Speech-Driven Text Retrieval: Using Target IR Collections for Statistical Language Model Adaptation in Speech Recognition
Atsushi Fujii | Katunobu Itou | Tetsuya Ishikawa
Information Retrieval Techniques for Speech Applications [this book is based on the workshop "Information Retrieval Techniques for Speech Applications", held as part of the 24th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval in New Orleans, USA, in September 2001]

1999

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Cross-Language Information Retrieval at ULIS
Atsushi Fujii | Tetsuya Ishikawa
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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