David Ahn


2004

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Using Wikipedia at the TREC QA Track
David Ahn | Valentin Jijkoun | Gilad Mishne | Karin Müller | Maarten de Rijke | Stefan Schlobach
Proceedings of the Thirteenth Text REtrieval Conference, TREC 2004, Gaithersburg, Maryland, USA, November 16-19, 2004

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The University of Amsterdam at QA@CLEF 2004
Valentin Jijkoun | Gilad Mishne | Maarten de Rijke | Stefan Schlobach | David Ahn | Karin Müller
Working Notes for CLEF 2004 Workshop co-located with the 8th European Conference on Digital Libraries (ECDL 2004), Bath, UK, September 15-17, 2004

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Making Stone Soup: Evaluating a Recall-Oriented Multi-stream Question Answering System for Dutch
David Ahn | Valentin Jijkoun | Karin Müller | Maarten de Rijke | Stefan Schlobach | Gilad Mishne
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

2005

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Towards a Multi-Stream Question Answering-As-XML-Retrieval Strategy
David Ahn | Sisay Fissaha Adafre | Valentin Jijkoun | Karin Müller | Maarten de Rijke | Erik F. Tjong Kim Sang
Proceedings of the Fourteenth Text REtrieval Conference, TREC 2005, Gaithersburg, Maryland, USA, November 15-18, 2005

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The University of Amsterdam at QA@CLEF 2005
David Ahn | Valentin Jijkoun | Karin Müller | Maarten de Rijke | Erik F. Tjong Kim Sang
Working Notes for CLEF 2005 Workshop co-located with the 9th European Conference on Digital Libraries (ECDL 2005), Wien, Austria, September 21-22, 2005

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Towards an Offline XML-Based Strategy for Answering Questions
David Ahn | Valentin Jijkoun | Karin Müller | Maarten de Rijke | Erik F. Tjong Kim Sang
Accessing Multilingual Information Repositories, 6th Workshop of the Cross-Language Evalution Forum, CLEF 2005, Vienna, Austria, 21-23 September, 2005, Revised Selected Papers

2006

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Quartz: A Question Answering System for Dutch
David Ahn | Valentin Jijkoun | Joris van Rantwijk | Maarten de Rijke | Erik F. Tjong Kim Sang
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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The University of Amsterdam at CLEF@QA 2006
Valentin Jijkoun | Joris van Rantwijk | David Ahn | Erik F. Tjong Kim Sang | Maarten de Rijke
Working Notes for CLEF 2006 Workshop co-located with the 10th European Conference on Digital Libraries (ECDL 2006), Alicante, Spain, September 20-22, 2006

2007

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The University of Amsterdam at CLEF@QA 2007
Valentin Jijkoun | Katja Hofmann | David Ahn | Mahboob Alam Khalid | Joris van Rantwijk | Maarten de Rijke | Erik F. Tjong Kim Sang
Working Notes for CLEF 2007 Workshop co-located with the 11th European Conference on Digital Libraries (ECDL 2007), Budapest, Hungary, September 19-21, 2007

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The University of Amsterdam's Question Answering System at QA@CLEF 2007
Valentin Jijkoun | Katja Hofmann | David Ahn | Mahboob Alam Khalid | Joris van Rantwijk | Maarten de Rijke | Erik F. Tjong Kim Sang
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

2009

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Feature selection for ranking using boosted trees
Feng Pan | Tim Converse | David Ahn | Franco Salvetti | Gianluca Donato
Proceedings of the 18th ACM Conference on Information and Knowledge Management, CIKM 2009, Hong Kong, China, November 2-6, 2009