2010

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Revamping Question Answering with a Semantic Approach over World Knowledge
Nuno Cardoso | Iustin Dornescu | Sven Hartrumpf | Johannes Leveling
CLEF 2010 LABs and Workshops, Notebook Papers, 22-23 September 2010, Padua, Italy

2009

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Recursive Question Decomposition for Answering Complex Geographic Questions
Sven Hartrumpf | Johannes Leveling
Multilingual Information Access Evaluation I. Text Retrieval Experiments, 10th Workshop of the Cross-Language Evaluation Forum, CLEF 2009, Corfu, Greece, September 30 - October 2, 2009, Revised Selected Papers

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GIRSA-WP at GikiCLEF: Integration of Structured Information and Decomposition of Questions
Sven Hartrumpf | Johannes Leveling
Working Notes for CLEF 2009 Workshop co-located with the 13th European Conference on Digital Libraries (ECDL 2009) , Corfù, Greece, September 30 - October 2, 2009

2008

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GikiP at GeoCLEF 2008: Joining GIR and QA Forces for Querying Wikipedia
Diana Santos | Nuno Cardoso | Paula Carvalho | Iustin Dornescu | Sven Hartrumpf | Johannes Leveling | Yvonne Skalban
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

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Integrating Methods from IR and QA for Geographic Information Retrieval
Johannes Leveling | Sven Hartrumpf
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

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Efficient Question Answering with Question Decomposition and Multiple Answer Streams
Sven Hartrumpf | Ingo Glöckner | Johannes Leveling
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

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University of Hagen at QA@CLEF 2008: Efficient Question Answering with Question Decomposition and Multiple Answer Streams
Sven Hartrumpf | Ingo Glöckner | Johannes Leveling
Working Notes for CLEF 2008 Workshop co-located with the 12th European Conference on Digital Libraries (ECDL 2008) , Aarhus, Denmark, September 17-19, 2008

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University of Hagen at GeoCLEF 2008: Combining IR and QA for Geographic Information Retrieval
Johannes Leveling | Sven Hartrumpf
Working Notes for CLEF 2008 Workshop co-located with the 12th European Conference on Digital Libraries (ECDL 2008) , Aarhus, Denmark, September 17-19, 2008

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Getting Geographical Answers fromWikipedia: the GikiP pilot at CLEF
Diana Santos | Nuno Cardoso | Paula Carvalho | Iustin Dornescu | Sven Hartrumpf | Johannes Leveling | Yvonne Skalban
Working Notes for CLEF 2008 Workshop co-located with the 12th European Conference on Digital Libraries (ECDL 2008) , Aarhus, Denmark, September 17-19, 2008

2007

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Inferring Location Names for Geographic Information Retrieval
Johannes Leveling | Sven Hartrumpf
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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Coreference Resolution for Questions and Answer Merging by Validation
Sven Hartrumpf | Ingo Glöckner | Johannes Leveling
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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University of Hagen at QA@CLEF 2007: Coreference Resolution for Questions and Answer Merging
Sven Hartrumpf | Ingo Glöckner | Johannes Leveling
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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University of Hagen at GeoCLEF 2007: Exploring Location Indicators for Geographic Information Retrieval
Johannes Leveling | Sven Hartrumpf
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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Logical Validation, Answer Merging and Witness Selection - A Study in Multi-Stream Question Answering
Ingo Glöckner | Sven Hartrumpf | Johannes Leveling
Computer-Assisted Information Retrieval (Recherche d'Information et ses Applications) - RIAO 2007, 8th International Conference, Carnegie Mellon University, Pittsburgh, PA, USA, May 30 - June 1, 2007. Proceedings, CD-ROM

2006

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On metonymy recognition for geographic IR
Johannes Leveling | Sven Hartrumpf
Proceedings of the 3rd ACM Workshop On Geographic Information Retrieval, GIR 2006, Seattle, WA, USA, August 10, 2006

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University of Hagen at QA@CLEF 2006: Interpretation and Normalization of Temporal Expressions
Sven Hartrumpf | Johannes Leveling
Working Notes for CLEF 2006 Workshop co-located with the 10th European Conference on Digital Libraries (ECDL 2006), Alicante, Spain, September 20-22, 2006

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Interpretation and Normalization of Temporal Expressions for Question Answering
Sven Hartrumpf | Johannes Leveling
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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University of Hagen at GeoCLEF 2005: Using Semantic Networks for Interpreting Geographical Queries
Johannes Leveling | Sven Hartrumpf | Dirk Veiel
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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University of Hagen at QA@CLEF 2005: Extending Knowledge and Deepening Linguistic Processing for Question Answering
Sven Hartrumpf
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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Using Semantic Networks for Geographic Information Retrieval
Johannes Leveling | Sven Hartrumpf | Dirk Veiel
Accessing Multilingual Information Repositories, 6th Workshop of the Cross-Language Evalution Forum, CLEF 2005, Vienna, Austria, 21-23 September, 2005, Revised Selected Papers

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Extending Knowledge and Deepening Linguistic Processing for the Question Answering System InSicht
Sven Hartrumpf
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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Question Answering Using Sentence Parsing and Semantic Network Matching
Sven Hartrumpf
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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University of Hagen at CLEF 2004: Indexing and Translating Concepts for the GIRT Task
Johannes Leveling | Sven Hartrumpf
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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University of Hagen at CLEF 2004: Indexing and Translating Concepts for the GIRT Task
Johannes Leveling | Sven Hartrumpf
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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Question Answering using Sentence Parsing and Semantic Network Matching
Sven Hartrumpf
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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