2019

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Final Report of the NTCIR-14 QA Lab-PoliInfo Task
Yasutomo Kimura | Hideyuki Shibuki | Hokuto Ototake | Yuzu Uchida | Keiichi Takamaru | Kotaro Sakamoto | Madoka Ishioroshi | Teruko Mitamura | Noriko Kando | Tatsunori Mori | Harumichi Yuasa | Satoshi Sekine | Kentaro Inui
NII Testbeds and Community for Information Access Research - 14th International Conference, NTCIR 2019, Tokyo, Japan, June 10-13, 2019, Revised Selected Papers

2017

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Automatic Evaluation of World History Essay Using Chronological and Geographical Measures
Kotaro Sakamoto | Hideyuki Shibuki | Madoka Ishioroshi | Akira Fujita | Yoshinobu Kano | Teruko Mitamura | Tatsunori Mori | Noriko Kando
Proceedings of the 8th International Workshop on Evaluating Information Access co-located with the 13th NTCIR Conference on the Evaluation of Information Access Technologies (NTCIR 2017), Tokyo, Japan, December 5, 2017

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Overview of the NTCIR-13 QA Lab-3 Task
Hideyuki Shibuki | Kotaro Sakamoto | Madoka Ishioroshi | Yoshinobu Kano | Teruko Mitamura | Tatsunori Mori | Noriko Kando
The 13th NTCIR Conference, Evaluation of Information Access Technologies, National Center of Sciences, Tokyo, Japan, December 5-8, 2017

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MTMT in QALab-3: World History Essay Question Answering System that Utilizes Textbooks and Open Knowledge Bases
Takaaki Matsumoto | Teruko Mitamura
The 13th NTCIR Conference, Evaluation of Information Access Technologies, National Center of Sciences, Tokyo, Japan, December 5-8, 2017

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CMUQA in QALab-3: Essay Question Answering for University Entrance Exams
Fadi Botros | Francesco Ciannella | Takaaki Matsumoto | Evan Chan | Cheng-Ta Chung | Lucas Bengtson | Keyang Xu | Tian Tian | Teruko Mitamura
The 13th NTCIR Conference, Evaluation of Information Access Technologies, National Center of Sciences, Tokyo, Japan, December 5-8, 2017

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SIGIR 2017 Workshop on Open Knowledge Base and Question Answering (OKBQA2017)
Key-Sun Choi | Teruko Mitamura | Piek Vossen | Jin-Dong Kim | Axel-Cyrille Ngonga Ngomo
Proceedings of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval, Shinjuku, Tokyo, Japan, August 7-11, 2017

2016

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Text-to-video: a semantic search engine for internet videos
Lu Jiang | Shoou-I Yu | Deyu Meng | Teruko Mitamura | Alexander G. Hauptmann
2016 Volume 5 Issue 1

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Overview of the NTCIR-12 QA Lab-2 Task
Hideyuki Shibuki | Kotaro Sakamoto | Madoka Ishioroshi | Akira Fujita | Yoshinobu Kano | Teruko Mitamura | Tatsunori Mori | Noriko Kando
Proceedings of the 12th NTCIR Conference on Evaluation of Information Access Technologies, National Center of Sciences, Tokyo, Japan, June 7-10, 2016

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CMUQA: Multiple-Choice Question Answering at NTCIR-12 QA Lab-2 Task
Dheeru Dua | Bhawna Juneja | Sanchit Agarwal | Kotaro Sakamoto | Di Wang | Teruko Mitamura
Proceedings of the 12th NTCIR Conference on Evaluation of Information Access Technologies, National Center of Sciences, Tokyo, Japan, June 7-10, 2016

2015

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Bridging the Ultimate Semantic Gap: A Semantic Search Engine for Internet Videos
Lu Jiang | Shoou-I Yu | Deyu Meng | Teruko Mitamura | Alexander G. Hauptmann
Proceedings of the 5th ACM on International Conference on Multimedia Retrieval, Shanghai, China, June 23-26, 2015

2014

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Zero-Example Event Search using MultiModal Pseudo Relevance Feedback
Lu Jiang | Teruko Mitamura | Shoou-I Yu | Alexander G. Hauptmann
International Conference on Multimedia Retrieval, ICMR '14, Glasgow, United Kingdom - April 01 - 04, 2014

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Overview of the NTCIR-11 Recognizing Inference in TExt and Validation (RITE-VAL) Task
Suguru Matsuyoshi | Yusuke Miyao | Tomohide Shibata | Chuan-Jie Lin | Cheng-Wei Shih | Yotaro Watanabe | Teruko Mitamura
Proceedings of the 11th NTCIR Conference on Evaluation of Information Access Technologies, NTCIR-11, National Center of Sciences, Tokyo, Japan, December 9-12, 2014

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Overview of the NTCIR-11 QA-Lab Task
Hideyuki Shibuki | Kotaro Sakamoto | Yoshinobu Kano | Teruko Mitamura | Madoka Ishioroshi | Kelly Y. Itakura | Di Wang | Tatsunori Mori | Noriko Kando
Proceedings of the 11th NTCIR Conference on Evaluation of Information Access Technologies, NTCIR-11, National Center of Sciences, Tokyo, Japan, December 9-12, 2014

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CMU Multiple-choice Question Answering System at NTCIR-11 QA-Lab
Di Wang | Leonid Boytsov | Jun Araki | Alkesh Patel | Jeff Gee | Zhengzhong Liu | Eric Nyberg | Teruko Mitamura
Proceedings of the 11th NTCIR Conference on Evaluation of Information Access Technologies, NTCIR-11, National Center of Sciences, Tokyo, Japan, December 9-12, 2014

2013

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Overview of the Recognizing Inference in Text (RITE-2) at NTCIR-10
Yotaro Watanabe | Yusuke Miyao | Junta Mizuno | Tomohide Shibata | Hiroshi Kanayama | Cheng-Wei Lee | Chuan-Jie Lin | Shuming Shi | Teruko Mitamura | Noriko Kando | Hideki Shima | Kohichi Takeda
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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Building Optimal Question Answering System Automatically using Configuration Space Exploration (CSE) for QA4MRE 2013 Tasks
Alkesh Patel | Zi Yang | Eric Nyberg | Teruko Mitamura
Working Notes for CLEF 2013 Conference , Valencia, Spain, September 23-26, 2013

2012

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Multimodal knowledge-based analysis in multimedia event detection
Ehsan Younessian | Teruko Mitamura | Alexander G. Hauptmann
International Conference on Multimedia Retrieval, ICMR '12, Hong Kong, China, June 5-8, 2012

2011

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Overview of NTCIR-9 RITE: Recognizing Inference in TExt
Hideki Shima | Hiroshi Kanayama | Cheng-Wei Lee | Chuan-Jie Lin | Teruko Mitamura | Yusuke Miyao | Shuming Shi | Koichi Takeda
Proceedings of the 9th NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, Question Answering and Cross-Lingual Information Access, NTCIR-9, National Center of Sciences, Tokyo, Japan, December 6-9, 2011

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LTI's Textual Entailment Recognizer System at NTCIR-9 RITE
Hideki Shima | Yuanpeng Li | Naoki Orii | Teruko Mitamura
Proceedings of the 9th NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, Question Answering and Cross-Lingual Information Access, NTCIR-9, National Center of Sciences, Tokyo, Japan, December 6-9, 2011

2010

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Probabilistic models for answer-ranking in multilingual question-answering
Jeongwoo Ko | Luo Si | Eric Nyberg | Teruko Mitamura
2010 Volume 28 Issue 3

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Overview of NTCIR-8 ACLIA IR4QA
Tetsuya Sakai | Hideki Shima | Noriko Kando | Ruihua Song | Chuan-Jie Lin | Teruko Mitamura | Miho Sugimoto | Cheng-Wei Lee
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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Bootstrap Pattern Learning for Open-Domain CLQA
Hideki Shima | Teruko Mitamura
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 NTCIR-8 ACLIA Tasks: Advanced Cross-Lingual Information Access
Teruko Mitamura | Hideki Shima | Tetsuya Sakai | Noriko Kando | Tatsunori Mori | Koichi Takeda | Chin-Yew Lin | Ruihua Song | Chuan-Jie Lin | Cheng-Wei Lee
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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Boiling down information retrieval test collections
Tetsuya Sakai | Teruko Mitamura
Recherche d'Information Assistée par Ordinateur, RIAO 2010: Adaptivity, Personalization and Fusion of Heterogeneous Information, 9th International Conference, Bibliotheque Nationale de France, Paris, France, April 28-30, 2010, Proceedings

2008

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Query Expansion and Machine Translation for Robust Cross-Lingual Information Retrieval
Ni Lao | Hideki Shima | Teruko Mitamura | Eric Nyberg
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 NTCIR-7 ACLIA IR4QA Task
Tetsuya Sakai | Noriko Kando | Chuan-Jie Lin | Teruko Mitamura | Hideki Shima | Donghong Ji | Kuang-hua Chen | Eric Nyberg
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 NTCIR-7 ACLIA Tasks: Advanced Cross-Lingual Information Access
Teruko Mitamura | Eric Nyberg | Hideki Shima | Tsuneaki Kato | Tatsunori Mori | Chin-Yew Lin | Ruihua Song | Chuan-Jie Lin | Tetsuya Sakai | Donghong Ji | Noriko Kando
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 ACLIA IR4QA Results based on Qrels Version 2
Tetsuya Sakai | Noriko Kando | Chuan-Jie Lin | Ruihua Song | Hideki Shima | Teruko Mitamura
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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Complex Cross-lingual Question Answering as a Sequential Classification and Multi-Document Summarization Task
Hideki Shima | Ni Lao | Eric Nyberg | Teruko Mitamura
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

2007

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JAVELIN III: Cross-Lingual Question Answering from Japanese and Chinese Documents
Teruko Mitamura | Frank Lin | Hideki Shima | Mengqiu Wang | Jeongwoo Ko | Justin Betteridge | Matthew W. Bilotti | Andrew Hazen Schlaikjer | Eric Nyberg
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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JAVELIN III: Answering Non-Factoid Questions in Japanese
Hideki Shima | Teruko Mitamura
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

2005

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CMU JAVELIN System for NTCIR5 CLQA1
Frank Lin | Hideki Shima | Mengqiu Wang | Teruko Mitamura
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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JAVELIN I and II Systems at TREC 2005
Eric Nyberg | Robert E. Frederking | Teruko Mitamura | Matthew W. Bilotti | Kerry Hannan | Laurie Hiyakumoto | Jeongwoo Ko | Frank Lin | Lucian Vlad Lita | Vasco Pedro | Andrew Hazen Schlaikjer
Proceedings of the Fourteenth Text REtrieval Conference, TREC 2005, Gaithersburg, Maryland, USA, November 15-18, 2005

2003

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The JAVELIN Question-Answering System at TREC 2003: A Multi-Strategh Approach with Dynamic Planning
Eric Nyberg | Teruko Mitamura | James P. Callan | Jaime G. Carbonell | Robert E. Frederking | Kevyn Collins-Thompson | Laurie Hiyakumoto | Yifen Huang | Curtis Huttenhower | Scott Judy | Jeongwoo Ko | Anna Kupsc | Lucian Vlad Lita | Vasco Pedro | David Svoboda | Benjamin Van Durme
Proceedings of The Twelfth Text REtrieval Conference, TREC 2003, Gaithersburg, Maryland, USA, November 18-21, 2003

2002

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The JAVELIN Question-Answering System at TREC 2002
Eric Nyberg | Teruko Mitamura | Jaime G. Carbonell | James P. Callan | Kevyn Collins-Thompson | Krzysztof Czuba | Michael Duggan | Laurie Hiyakumoto | N. Hu | Yifen Huang | Jeongwoo Ko | Lucian Vlad Lita | S. Murtagh | Vasco Pedro | David Svoboda
Proceedings of The Eleventh Text REtrieval Conference, TREC 2002, Gaithersburg, Maryland, USA, November 19-22, 2002

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Knowledge-based extraction of named entities
James P. Callan | Teruko Mitamura
Proceedings of the 2002 ACM CIKM International Conference on Information and Knowledge Management, McLean, VA, USA, November 4-9, 2002