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    Author information
    First name: David
    Last name: Ahn
    DBLP: 98/4643
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    Below you find the publications which have been written by this author.

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    Conference paper
    Feng Pan, Tim Converse, David Ahn, Franco Salvetti, Gianluca Donato.
    Greedy and Randomized Feature Selection for Web Search Ranking.
    11th IEEE International Conference on Computer and Information Technology, CIT 2011, Pafos, Cyprus, 31 August-2 September 2011 2011 (0) 2011
    Conference paper
    Brendan T. O'Connor, Michel Krieger, David Ahn.
    TweetMotif: Exploratory Search and Topic Summarization for Twitter.
    Proceedings of the Fourth International Conference on Weblogs and Social Media, ICWSM 2010, Washington, DC, USA, May 23-26, 2010 2010 (0) 2010
    Conference paper
    Feng Pan, Tim Converse, David Ahn, Franco Salvetti, Gianluca Donato.
    Feature selection for ranking using boosted trees.
    Proceedings of the 18th ACM Conference on Information and Knowledge Management, CIKM 2009, Hong Kong, China, November 2-6, 2009 2009 (0) 2009
    Conference paper
    Valentin Jijkoun, Katja Hofmann, David Ahn, Mahboob Alam Khalid, Joris van Rantwijk, Maarten de Rijke, Erik F. Tjong Kim Sang.
    The University of Amsterdam at CLEF@QA 2007.
    Working Notes for CLEF 2007 Workshop co-located with the 11th European Conference on Digital Libraries (ECDL 2007), Budapest, Hungary, September 19-21, 2007. 2014 (0) 2007
    Conference paper
    Valentin Jijkoun, Katja Hofmann, David Ahn, Mahboob Alam Khalid, Joris van Rantwijk, Maarten de Rijke, Erik F. Tjong Kim Sang.
    The University of Amsterdam's Question Answering System at QA@CLEF 2007.
    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 2008 (0) 2007
    Conference paper
    David Ahn, Joris van Rantwijk, Maarten de Rijke.
    A Cascaded Machine Learning Approach to Interpreting Temporal Expressions.
    Human Language Technology Conference of the North American Chapter of the Association of Computational Linguistics, Proceedings, April 22-27, 2007, Rochester, New York, USA 2007 (0) 2007
    Conference paper
    Stefan Schlobach, David Ahn, Maarten de Rijke, Valentin Jijkoun.
    Data-driven type checking in open domain question answering.
    J. Applied Logic 2007, Volume 5 (0) 2007
    Conference paper
    Valentin Jijkoun, Joris van Rantwijk, David Ahn, Erik F. Tjong Kim Sang, Maarten de Rijke.
    The University of Amsterdam at CLEF@QA 2006.
    Working Notes for CLEF 2006 Workshop co-located with the 10th European Conference on Digital Libraries (ECDL 2006), Alicante, Spain, September 20-22, 2006. 2014 (0) 2006
    Conference paper
    Wouter Alink, Valentin Jijkoun, David Ahn, Maarten de Rijke, Peter A. Boncz, Arjen P. de Vries.
    Representing and Querying Multi-dimensional Markup for Question Answering.
    Proceedings of the 5th Workshop on NLP and XML: Multi-Dimensional Markup in Natural Language Processing, NLPXML@EACL 2006, Trento, Italy, April 4, 2006 2006 (0) 2006
    Conference paper
    David Ahn, Valentin Jijkoun, Joris van Rantwijk, Maarten de Rijke, Erik F. Tjong Kim Sang.
    Quartz: A Question Answering System for Dutch.
    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 2007 (0) 2006
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