2013

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Medical Information Extracting System by Bootstrapping of NTTDRDH at NTCIR-10 MedNLP Task
Yuji Nomura | Takashi Suenaga | Daisuke Satoh | Megumi Ohki | Toru Takaki
Proceedings of the 10th NTCIR Conference on Evaluation of Information Access Technologies, NTCIR-10, National Center of Sciences, Tokyo, Japan, June 18-21, 2013

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Expanded Dependency Structure based Textual Entailment Recognition System of NTTDATA for NTCIR10-RITE2
Megumi Ohki | Takashi Suenaga | Daisuke Satoh | Yuji Nomura | Toru Takaki
Proceedings of the 10th NTCIR Conference on Evaluation of Information Access Technologies, NTCIR-10, National Center of Sciences, Tokyo, Japan, June 18-21, 2013

2007

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F-term Classification System Using K-Nearest Neighbor Method
Kazuya Konishi | Toru Takaki
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

2004

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NTT DATA Question-Answering Experiment at the NTCIR-4 QAC2
Toru Takaki
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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Invalidity Patent Search System of NTT DATA
Kazuya Konishi | Akira Kitauchi | Toru Takaki
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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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

2002

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NTT DATA Question-Answering Experiment at the NTCIR-3 QAC
Toru Takaki | Yoshio Eriguchi
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

2000

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NTT DATA TREC-9 Question Answering Track Report
Toru Takaki
Proceedings of The Ninth Text REtrieval Conference, TREC 2000, Gaithersburg, Maryland, USA, November 13-16, 2000

1999

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NTT DATA: Overview of system approach at TREC-8 ad-hoc and question answering
Toru Takaki
Proceedings of The Eighth Text REtrieval Conference, TREC 1999, Gaithersburg, Maryland, USA, November 17-19, 1999

1998

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NTT DATA at TREC-7: System Approach for Ad-Hoc and Filtering
Hiroyuke Nakajima | Toru Takaki | Tsutomu Hirao | Akira Kitauchi
Proceedings of The Seventh Text REtrieval Conference, TREC 1998, Gaithersburg, Maryland, USA, November 9-11, 1998

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Efficient Search Server Assignment in a Disproportionate System Environment
Toru Takaki | Tsuyoshi Kitani
SIGIR '98: Proceedings of the 21st Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, August 24-28 1998, Melbourne, Australia

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