2018

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An analysis of evaluation campaigns in ad-hoc medical information retrieval: CLEF eHealth 2013 and 2014
Lorraine Goeuriot | Gareth J. F. Jones | Liadh Kelly | Johannes Leveling | Mihai Lupu | João R. M. Palotti | Guido Zuccon
2018 Volume 21 Issue 6

2017

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Patient selection for clinical trials based on concept-based retrieval and result filtering and ranking
Johannes Leveling
Proceedings of The Twenty-Sixth Text REtrieval Conference, TREC 2017, Gaithersburg, Maryland, USA, November 15-17, 2017

2015

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Tagging of temporal expressions and geological features in scientific articles
Johannes Leveling
Proceedings of the 9th Workshop on Geographic Information Retrieval, GIR 2015, Paris, France, November 26-27, 2015

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Context-driven Dimensionality Reduction for Clustering Text Documents
Debasis Ganguly | Johannes Leveling | Gareth J. F. Jones
Proceedings of the 7th Forum for Information Retrieval Evaluation, FIRE 2015, Gandhinagar, India, December 4-6, 2015

2014

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An analysis of query difficulty for information retrieval in the medical domain
Lorraine Goeuriot | Liadh Kelly | Johannes Leveling
The 37th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR '14, Gold Coast , QLD, Australia - July 06 - 11, 2014

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Retrieval of similar chess positions
Debasis Ganguly | Johannes Leveling | Gareth J. F. Jones
The 37th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR '14, Gold Coast , QLD, Australia - July 06 - 11, 2014

2013

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Creation of a New Evaluation Benchmark for Information Retrieval Targeting Patient Information Needs
Lorraine Goeuriot | Liadh Kelly | Gareth J. F. Jones | Guido Zuccon | Hanna Suominen | Allan Hanbury | Henning Müller | Johannes Leveling
Proceedings of the 5th International Workshop on Evaluating Information Access, EVIA 2013, National Center of Sciences, Tokyo, Japan, June 18, 2013

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DCU@Morpheme Extraction Task of FIRE-2012: Rule-based Stemmers for Bengali and Hindi
Debasis Ganguly | Johannes Leveling | Gareth J. F. Jones
Proceedings of the 5th 2013 Forum on Information Retrieval Evaluation, FIRE '13, New Delhi, India, December 4-6, 2013

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Monolingual and Crosslingual SMS-based FAQ Retrieval
Johannes Leveling
Proceedings of the 5th 2013 Forum on Information Retrieval Evaluation, FIRE '13, New Delhi, India, December 4-6, 2013

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TopicVis: a GUI for topic-based feedback and navigation
Debasis Ganguly | Manisha Ganguly | Johannes Leveling | Gareth J. F. Jones
The 36th International ACM SIGIR conference on research and development in Information Retrieval, SIGIR '13, Dublin, Ireland - July 28 - August 01, 2013

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An LDA-smoothed relevance model for document expansion: a case study for spoken document retrieval
Debasis Ganguly | Johannes Leveling | Gareth J. F. Jones
The 36th International ACM SIGIR conference on research and development in Information Retrieval, SIGIR '13, Dublin, Ireland - July 28 - August 01, 2013

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Interpretation of coordinations, compound generation, and result fusion for query variants
Johannes Leveling
The 36th International ACM SIGIR conference on research and development in Information Retrieval, SIGIR '13, Dublin, Ireland - July 28 - August 01, 2013

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ShARe/CLEF eHealth Evaluation Lab 2013, Task 3: Information Retrieval to Address Patients' Questions when Reading Clinical Reports
Lorraine Goeuriot | Gareth J. F. Jones | Liadh Kelly | Johannes Leveling | Allan Hanbury | Henning Müller | Sanna Salanterä | Hanna Suominen | Guido Zuccon
Working Notes for CLEF 2013 Conference , Valencia, Spain, September 23-26, 2013

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Overview of the ShARe/CLEF eHealth Evaluation Lab 2013
Hanna Suominen | Sanna Salanterä | Sumithra Velupillai | Wendy Webber Chapman | Guergana K. Savova | Noemie Elhadad | Sameer Pradhan | Brett R. South | Danielle L. Mowery | Gareth J. F. Jones | Johannes Leveling | Liadh Kelly | Lorraine Goeuriot | David Martínez | Guido Zuccon
Information Access Evaluation. Multilinguality, Multimodality, and Visualization - 4th International Conference of the CLEF Initiative, CLEF 2013, Valencia, Spain, September 23-26, 2013. Proceedings

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A Case Study in Decompounding for Bengali Information Retrieval
Debasis Ganguly | Johannes Leveling | Gareth J. F. Jones
Information Access Evaluation. Multilinguality, Multimodality, and Visualization - 4th International Conference of the CLEF Initiative, CLEF 2013, Valencia, Spain, September 23-26, 2013. Proceedings

2012

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DCU@INEX-2012: Exploring Sentence Retrieval for Tweet Contextualization
Debasis Ganguly | Johannes Leveling | Gareth J. F. Jones
CLEF 2012 Evaluation Labs and Workshop, Online Working Notes, Rome, Italy, September 17-20, 2012

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DCU@TRECMed 2012: Using adhoc Baselines for Domain-Specific Retrieval
Johannes Leveling | Lorraine Goeuriot | Liadh Kelly | Gareth J. F. Jones
Proceedings of The Twenty-First Text REtrieval Conference, TREC 2012, Gaithersburg, Maryland, USA, November 6-9, 2012

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Topical Relevance Model
Debasis Ganguly | Johannes Leveling | Gareth J. F. Jones
Information Retrieval Technology, 8th Asia Information Retrieval Societies Conference, AIRS 2012, Tianjin, China, December 17-19, 2012. Proceedings

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Making results fit into 40 characters: a study in document rewriting
Johannes Leveling | Gareth J. F. Jones
The 35th International ACM SIGIR conference on research and development in Information Retrieval, SIGIR '12, Portland, OR, USA, August 12-16, 2012

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Multi-platform image search using tag enrichment
Jinming Min | Cristover Lopes | Johannes Leveling | Dag Schmidtke | Gareth J. F. Jones
The 35th International ACM SIGIR conference on research and development in Information Retrieval, SIGIR '12, Portland, OR, USA, August 12-16, 2012

2011

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PMHR 2011: the first workshop on personalised multilingual hypertext retrieval
Maristella Agosti | Ernesto William De Luca | Séamus Lawless | Johannes Leveling
2011 Volume 45 Issue 2

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Overview of the Personalized and Collaborative Information Retrieval (PIR) Track at FIRE-2011
Debasis Ganguly | Johannes Leveling | Gareth J. F. Jones
Multilingual Information Access in South Asian Languages - Second International Workshop, FIRE 2010, Gandhinagar, India, February 19-21, 2010 and Third International Workshop, FIRE 2011, Bombay, India, December 2-4, 2011, Revised Selected Papers

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SMS Normalisation, Retrieval and Out-of-Domain Detection Approaches for SMS-Based FAQ Retrieval
Deirdre Hogan | Johannes Leveling | Hongyi Wang | Paul Ferguson | Cathal Gurrin
Multilingual Information Access in South Asian Languages - Second International Workshop, FIRE 2010, Gandhinagar, India, February 19-21, 2010 and Third International Workshop, FIRE 2011, Bombay, India, December 2-4, 2011, Revised Selected Papers

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United we fall, divided we stand: a study of query segmentation and prf for patent prior art search
Debasis Ganguly | Johannes Leveling | Gareth J. F. Jones
Proceedings of the 4th Workshop on Patent Information Retrieval, PaIR '11, Glasgow, Scotland, UK, October 24, 2011

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Utilizing sub-topical structure of documents for information retrieval
Debasis Ganguly | Johannes Leveling | Gareth J. F. Jones
Proceedings of the 4th workshop on Workshop for Ph.D. students in information & knowledge management, IPKM 2011, Glasgow, United Kingdom, October 24-28, 2011

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LogCLEF 2011 Multilingual Log File Analysis: Language Identification, Query Classification, and Success of a Query
Giorgio Maria Di Nunzio | Johannes Leveling | Thomas Mandl
CLEF 2011 Labs and Workshop, Notebook Papers, 19-22 September 2011, Amsterdam, The Netherlands

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Query Expansion for Language Modeling Using Sentence Similarities
Debasis Ganguly | Johannes Leveling | Gareth J. F. Jones
Multidisciplinary Information Retrieval - Second Information Retrieval Facility Conference, IRFC 2011, Vienna, Austria, June 6, 2011. Proceedings

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An investigation of decompounding for cross-language patent search
Johannes Leveling | Walid Magdy | Gareth J. F. Jones
Proceeding of the 34th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2011, Beijing, China, July 25-29, 2011

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Patent query reduction using pseudo relevance feedback
Debasis Ganguly | Johannes Leveling | Walid Magdy | Gareth J. F. Jones
Proceedings of the 20th ACM Conference on Information and Knowledge Management, CIKM 2011, Glasgow, United Kingdom, October 24-28, 2011

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Simulation of Within-Session Query Variations Using a Text Segmentation Approach
Debasis Ganguly | Johannes Leveling | Gareth J. F. Jones
Multilingual and Multimodal Information Access Evaluation - Second International Conference of the Cross-Language Evaluation Forum, CLEF 2011, Amsterdam, The Netherlands, September 19-22, 2011. Proceedings

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Multilingual Log Analysis: LogCLEF
Giorgio Maria Di Nunzio | Johannes Leveling | Thomas Mandl
Advances in Information Retrieval - 33rd European Conference on IR Research, ECIR 2011, Dublin, Ireland, April 18-21, 2011. Proceedings

2010

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Term Conflation and Blind Relevance Feedback for Information Retrieval on Indian Languages
Johannes Leveling | Debasis Ganguly | Gareth J. F. Jones
Multilingual Information Access in South Asian Languages - Second International Workshop, FIRE 2010, Gandhinagar, India, February 19-21, 2010 and Third International Workshop, FIRE 2011, Bombay, India, December 2-4, 2011, Revised Selected Papers

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Unnamed locations, underspecified regions, and other linguistic phenomena in geographic annotation of water-based locations
Johannes Leveling
Proceedings of the 6th Workshop on Geographic Information Retrieval, GIR 2010, Zurich, Switzerland, February 18-19, 2010

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DCU's Experiments for the NTCIR-8 IR4QA Task
Jinming Min | Jie Jiang | Johannes Leveling | Gareth J. F. Jones | Andy Way
Proceedings of the 8th NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, Question Answering and Cross-Lingual Information Access, NTCIR-8, National Center of Sciences, Tokyo, Japan, June 15-18, 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

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HITS and Misses: Combining BM25 with HITS for Expert Search
Johannes Leveling | Gareth J. F. Jones
CLEF 2010 LABs and Workshops, Notebook Papers, 22-23 September 2010, Padua, Italy

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Document Expansion for Text-based Image Retrieval at WikipediaMM 2010
Jinming Min | Johannes Leveling | Gareth J. F. Jones
CLEF 2010 LABs and Workshops, Notebook Papers, 22-23 September 2010, Padua, Italy

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DCU-TCD@LogCLEF 2010: Re-ranking Document Collections and Query Performance Estimation
Johannes Leveling | M. Rami Ghorab | Walid Magdy | Gareth J. F. Jones | Vincent Wade
CLEF 2010 LABs and Workshops, Notebook Papers, 22-23 September 2010, Padua, Italy

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Classifying and filtering blind feedback terms to improve information retrieval effectiveness
Johannes Leveling | Gareth J. F. Jones
Recherche d'Information Assistée par Ordinateur, RIAO 2010: Adaptivity, Personalization and Fusion of Heterogeneous Information, 9th International Conference, Bibliotheque Nationale de France, Paris, France, April 28-30, 2010, Proceedings

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Document expansion for image retrieval
Jinming Min | Johannes Leveling | Dong Zhou | Gareth J. F. Jones
Recherche d'Information Assistée par Ordinateur, RIAO 2010: Adaptivity, Personalization and Fusion of Heterogeneous Information, 9th International Conference, Bibliotheque Nationale de France, Paris, France, April 28-30, 2010, Proceedings

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Query recovery of short user queries: on query expansion with stopwords
Johannes Leveling | Gareth J. F. Jones
Proceeding of the 33rd International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2010, Geneva, Switzerland, July 19-23, 2010

2009

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Identifying Common User Behaviour in Multilingual Search Logs
M. Rami Ghorab | Johannes Leveling | Dong Zhou | Gareth J. F. Jones | Vincent Wade
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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Exploring Structured Documents and Query Formulation Techniques for Patent Retrieval
Walid Magdy | Johannes Leveling | Gareth J. F. Jones
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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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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Document Expansion, Query Translation and Language Modeling for Ad-Hoc IR
Johannes Leveling | Dong Zhou | Gareth J. F. Jones | Vincent Wade
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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TCD-DCU at LogCLEF 2009: An Analysis of Queries, Actions, and Interface Languages
M. Rami Ghorab | Johannes Leveling | Dong Zhou | Gareth J. F. Jones | Vincent P. Wade
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

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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

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DCU at WikipediaMM 2009: Document Expansion from Wikipedia Abstracts
Jinming Min | Peter Wilkins | Johannes Leveling | Gareth J. F. Jones
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

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DCU @ CLEF-IP 2009: Exploring Standard IR Techniques on Patent Retrieval
Walid Magdy | Johannes Leveling | Gareth J. F. Jones
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

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Document Expansion for Text-Based Image Retrieval at CLEF 2009
Jinming Min | Peter Wilkins | Johannes Leveling | Gareth J. F. Jones
Multilingual Information Access Evaluation II. Multimedia Experiments - 10th Workshop of the Cross-Language Evaluation Forum, CLEF 2009, Corfu, Greece, September 30 - October 2, 2009, Revised Selected Papers

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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Exploring term selection for geographic blind feedback
Johannes Leveling
Proceedings of the 4th ACM Workshop On Geographic Information Retrieval, GIR 2007, Lisbon, Portugal, November 9, 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 GeoCLEF2006: Experiments with Metonymy Recognition in Documents
Johannes Leveling | Dirk Veiel
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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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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University of Hagen at CLEF2006: Reranking Documents for the Domain-specific Task
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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Experiments on the Exclusion of Metonymic Location Names from GIR
Johannes Leveling | Dirk Veiel
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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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

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Reranking Documents with Antagonistic Terms
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 CLEF 2005: Towards a Better Baseline for NLP Methods in Domain-Specific Information Retrieval
Johannes Leveling
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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A Baseline for NLP in Domain-Specific IR
Johannes Leveling
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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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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Feedback Mechanisms for a Natural Language Interface: An Application of the Critic Paradigm
Johannes Leveling
Computer-Assisted Information Retrieval (Recherche d'Information et ses Applications) - RIAO 2004, 7th International Conference, University of Avignon, France, April 26-28, 2004. Proceedings

2003

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University of Hagen at CLEF 2003: Natural Language Access to the GIRT4 Data
Johannes Leveling
Working Notes for CLEF 2003 Workshop co-located with the 7th European Conference on Digital Libraries (ECDL 2003), Trondheim, Norway, August 21-22, 2003

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University of Hagen at CLEF 2003: Natural Language Access to the GIRT4 Data
Johannes Leveling
Comparative Evaluation of Multilingual Information Access Systems, 4th Workshop of the Cross-Language Evaluation Forum, CLEF 2003, Trondheim, Norway, August 21-22, 2003, Revised Selected Papers

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