David Ahn

According to our database, David Ahn authored at least 23 papers between 2004 and 2011.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of three.

2011

Greedy and Randomized Feature Selection for Web Search Ranking.

Feng Pan, Tim Converse, David Ahn, Franco Salvetti, Gianluca Donato

Proceedings of the 11th IEEE International Conference on Computer and Information Technology, 2011

2010

TweetMotif: Exploratory Search and Topic Summarization for Twitter.

Brendan O'Connor, Michel Krieger, David Ahn

Proceedings of the Fourth International Conference on Weblogs and Social Media, 2010

2009

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, 2009

2007

Data-driven type checking in open domain question answering.

Stefan Schlobach, David Ahn, Maarten de Rijke, Valentin Jijkoun

J. Appl. Log., 2007

A Cascaded Machine Learning Approach to Interpreting Temporal Expressions.

David Ahn, Joris van Rantwijk, Maarten de Rijke

Proceedings of the Human Language Technology Conference of the North American Chapter of the Association of Computational Linguistics, 2007

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

Proceedings of the Working Notes for CLEF 2007 Workshop co-located with the 11th European Conference on Digital Libraries (ECDL 2007), 2007

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

Proceedings of the Advances in Multilingual and Multimodal Information Retrieval, 2007

2006

Question Answering with Imperfect Temporal Information.

Steven Schockaert, David Ahn, Martine De Cock, Etienne E. Kerre

Proceedings of the Flexible Query Answering Systems, 7th International Conference, 2006

The University of Amsterdam at CLEF@QA 2006.

Valentin Jijkoun, Joris van Rantwijk, David Ahn, Erik F. Tjong Kim Sang, Maarten de Rijke

Proceedings of the Working Notes for CLEF 2006 Workshop co-located with the 10th European Conference on Digital Libraries (ECDL 2006), 2006

Quartz: A Question Answering System for Dutch.

David Ahn, Valentin Jijkoun, Joris van Rantwijk, Maarten de Rijke, Erik F. Tjong Kim Sang

Proceedings of the Evaluation of Multilingual and Multi-modal Information Retrieval, 2006

Representing and Querying Multi-dimensional Markup for Question Answering.

Wouter Alink, Valentin Jijkoun, David Ahn, Maarten de Rijke, Peter A. Boncz, Arjen P. de Vries

Proceedings of the 5th Workshop on NLP and XML: Multi-Dimensional Markup in Natural Language Processing, 2006

2005

Extracting Temporal Information from Open Domain Text: A Comparative Exploration.

David Ahn, Sisay Fissaha Adafre, Maarten de Rijke

J. Digit. Inf. Manag., 2005

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, 2005

Towards Task-Based Temporal Extraction and Recognition.

David Ahn, Sisay Fissaha Adafre, Maarten de Rijke

Proceedings of the Annotating, 2005

The University of Amsterdam at QA@CLEF 2005.

David Ahn, Valentin Jijkoun, Karin Müller, Maarten de Rijke, Erik F. Tjong Kim Sang

Proceedings of the Working Notes for CLEF 2005 Workshop co-located with the 9th European Conference on Digital Libraries (ECDL 2005), 2005

Towards an Offline XML-Based Strategy for Answering Questions.

David Ahn, Valentin Jijkoun, Karin Müller, Maarten de Rijke, Erik F. Tjong Kim Sang

Proceedings of the Accessing Multilingual Information Repositories, 2005

Recognizing and Interpreting Temporal Expressions in Open Domain Texts.

David Ahn, Sisay Fissaha Adafre, Maarten de Rijke

Proceedings of the We Will Show Them! Essays in Honour of Dov Gabbay, Volume One, 2005

Designing Privacy Policies for Adopting RFID in the Retail Industry.

Haifei Li, Patrick C. K. Hung, Jia Zhang, David Ahn

Proceedings of the 2005 IEEE International Conference on Services Computing (SCC 2005), 2005

2004

Algorithms for Automated Negotiations and Their Applications in Information Privacy.

Haifei Li, David Ahn, Patrick C. K. Hung

Proceedings of the 2004 IEEE International Conference on E-Commerce Technology (CEC 2004), 2004

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, 2004

The University of Amsterdam at Senseval-3: Semantic roles and Logic forms.

David Ahn, Sisay Fissaha, Valentin Jijkoun, Maarten de Rijke

Proceedings of the Third International Workshop on the Evaluation of Systems for the Semantic Analysis of Text, 2004

The University of Amsterdam at QA@CLEF 2004.

Valentin Jijkoun, Gilad Mishne, Maarten de Rijke, Stefan Schlobach, David Ahn, Karin Müller

Proceedings of the Working Notes for CLEF 2004 Workshop co-located with the 8th European Conference on Digital Libraries (ECDL 2004), 2004

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

Proceedings of the Multilingual Information Access for Text, 2004