2008

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Using Answer Retrieval Patterns to Answer Portuguese Questions
Luís Fernando Costa
Evaluating Systems for Multilingual and Multimodal Information Access, 9th Workshop of the Cross-Language Evaluation Forum, CLEF 2008, Aarhus, Denmark, September 17-19, 2008, Revised Selected Papers

2007

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What Happened to Esfinge in 2007?
Luís Miguel Cabral | Luís Fernando Costa | Diana Santos
Advances in Multilingual and Multimodal Information Retrieval, 8th Workshop of the Cross-Language Evaluation Forum, CLEF 2007, Budapest, Hungary, September 19-21, 2007, Revised Selected Papers

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Esfinge at CLEF 2007: First Steps in a Multiple Question and Multiple Answer Approach
Luís Miguel Cabral | Luís Fernando Costa | Diana Santos
Working Notes for CLEF 2007 Workshop co-located with the 11th European Conference on Digital Libraries (ECDL 2007), Budapest, Hungary, September 19-21, 2007

2006

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QolA: Fostering Collaboration Within QA
Diana Santos | Luís Fernando Costa
Evaluation of Multilingual and Multi-modal Information Retrieval, 7th Workshop of the Cross-Language Evaluation Forum, CLEF 2006, Alicante, Spain, September 20-22, 2006, Revised Selected Papers

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Question Answering Beyond CLEF Document Collections
Luís Fernando Costa
Evaluation of Multilingual and Multi-modal Information Retrieval, 7th Workshop of the Cross-Language Evaluation Forum, CLEF 2006, Alicante, Spain, September 20-22, 2006, Revised Selected Papers

2005

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20th Century Esfinge (Sphinx) Solving the Riddles at CLEF 2005
Luís Fernando Costa
Accessing Multilingual Information Repositories, 6th Workshop of the Cross-Language Evalution Forum, CLEF 2005, Vienna, Austria, 21-23 September, 2005, Revised Selected Papers

2004

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First Evaluation of Esfinge - A Question Answering System for Portuguese
Luís Fernando Costa
Multilingual Information Access for Text, Speech and Images, 5th Workshop of the Cross-Language Evaluation Forum, CLEF 2004, Bath, UK, September 15-17, 2004, Revised Selected Papers

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