2017

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CMU OAQA at TREC 2017 LiveQA: A Neural Dual Entailment Approach for Question Paraphrase Identification
Di Wang | Eric Nyberg
Proceedings of The Twenty-Sixth Text REtrieval Conference, TREC 2017, Gaithersburg, Maryland, USA, November 15-17, 2017

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Leveraging Site Search Logs to Identify Missing Content on Enterprise Webpages
Harsh Jhamtani | Rishiraj Saha Roy | Niyati Chhaya | Eric Nyberg
Advances in Information Retrieval - 39th European Conference on IR Research, ECIR 2017, Aberdeen, UK, April 8-13, 2017, Proceedings

2016

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CMU OAQA at TREC 2016 LiveQA: An Attentional Neural Encoder-Decoder Approach for Answer Ranking
Di Wang | Eric Nyberg
Proceedings of The Twenty-Fifth Text REtrieval Conference, TREC 2016, Gaithersburg, Maryland, USA, November 15-18, 2016

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Off the Beaten Path: Let's Replace Term-Based Retrieval with k-NN Search
Leonid Boytsov | David Novak | Yury A. Malkov | Eric Nyberg
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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CMU OAQA at TREC 2015 LiveQA: Discovering the Right Answer with Clues
Di Wang | Eric Nyberg
Proceedings of The Twenty-Fourth Text REtrieval Conference, TREC 2015, Gaithersburg, Maryland, USA, November 17-20, 2015

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Leveraging Procedural Knowledge for Task-oriented Search
Zi Yang | Eric Nyberg
Proceedings of the 38th International ACM SIGIR Conference on Research and Development in Information Retrieval, Santiago, Chile, August 9-13, 2015

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Learning to Answer Biomedical Factoid & List Questions: OAQA at BioASQ 3B
Zi Yang | Niloy Gupta | Xiangyu Sun | Di Xu | Chi Zhang | Eric Nyberg
Working Notes of CLEF 2015 - Conference and Labs of the Evaluation forum, Toulouse, France, September 8-11, 2015

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

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QUADS: question answering for decision support
Zi Yang | Ying Li | James Cai | Eric Nyberg
The 37th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR '14, Gold Coast , QLD, Australia - July 06 - 11, 2014

2013

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Building optimal information systems automatically: configuration space exploration for biomedical information systems
Zi Yang | Elmer Garduño | Yan Fang | Avner Maiberg | Collin McCormack | Eric Nyberg
22nd ACM International Conference on Information and Knowledge Management, CIKM'13, San Francisco, CA, USA, October 27 - November 1, 2013

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A phased ranking model for question answering
Rui Liu | Eric Nyberg
22nd ACM International Conference on Information and Knowledge Management, CIKM'13, San Francisco, CA, USA, October 27 - November 1, 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

2011

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Statistical source expansion for question answering
Nico Schlaefer | Jennifer Chu-Carroll | Eric Nyberg | James Fan | Wlodek Zadrozny | David A. Ferrucci
Proceedings of the 20th ACM Conference on Information and Knowledge Management, CIKM 2011, Glasgow, United Kingdom, October 24-28, 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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Combining evidence with a probabilistic framework for answer ranking and answer merging in question answering
Jeongwoo Ko | Luo Si | Eric Nyberg
2010 Volume 46 Issue 5

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Rank learning for factoid question answering with linguistic and semantic constraints
Matthew W. Bilotti | Jonathan L. Elsas | Jaime G. Carbonell | Eric Nyberg
Proceedings of the 19th ACM Conference on Information and Knowledge Management, CIKM 2010, Toronto, Ontario, Canada, October 26-30, 2010

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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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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Semantic Extensions of the Ephyra QA System for TREC 2007
Nico Schlaefer | Jeongwoo Ko | Justin Betteridge | Manas A. Pathak | Eric Nyberg | Guido Sautter
Proceedings of The Sixteenth Text REtrieval Conference, TREC 2007, Gaithersburg, Maryland, USA, November 5-9, 2007

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Structured retrieval for question answering
Matthew W. Bilotti | Paul Ogilvie | Jamie Callan | Eric Nyberg
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

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A probabilistic graphical model for joint answer ranking in question answering
Jeongwoo Ko | Eric Nyberg | Luo Si
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

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