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Johannes Leveling (7)
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Hits 1 – 7 of 7
1
University of Hagen at QA@CLEF 2007: Coreference Resolution for Questions and Answer Merging
Sven Hartrumpf
;
Ingo Glöckner
;
Johannes Leveling
In: http://www.clef-campaign.org/2007/working_notes/hartrumpfCLEF2007.pdf (2007)
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2
Document Expansion, Query Translation and Language Modeling
Johannes Leveling
;
Dong Zhou
;
Gareth F. Jones
...
In: http://www.clef-campaign.org/2009/working_notes/leveling-paperCLEF2009.pdf
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3
Efficient question answering with question decomposition and multiple answer streams
Sven Hartrumpf
;
Johannes Leveling
In: http://pi7.fernuni-hagen.de/gloeckner/clef08-fuha-wn.pdf
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4
Query Recovery of Short User Queries: On Query Expansion with Stopwords
Johannes Leveling
;
Gareth J. F. Jones
In: http://www.cngl.ie/drupal/sites/default/files/papers3/Query%20Recovery%20of%20Short%20User%20Queries.pdf
Abstract:
User queries to search engines are observed to predominantly contain inflected content words but lack stopwords and capitalization. Thus, they often resemble natural language queries after case folding and stopword removal. Query recovery aims to generate a linguistically well-formed query from a given user query as input to provide natural language processing tasks and cross-language information retrieval (CLIR). The evaluation of query translation shows that translation scores (NIST and BLEU) decrease after case folding, stopword removal, and stemming. A baseline method for query recovery reconstructs capitalization and stopwords, which considerably increases translation scores and significantly increases mean average precision for a standard CLIR task. Categories and Subject Descriptors:
Keyword:
CLIR
;
Experimentation
;
H.3.3 [INFORMATION STORAGE AND RETRIEVAL] Information Search and Retrieval—Query formulation
;
Measurement Keywords
;
Performance
;
Query Expansion
;
Query Reformulation
;
Search process General Terms
URL:
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.188.2536
http://www.cngl.ie/drupal/sites/default/files/papers3/Query%20Recovery%20of%20Short%20User%20Queries.pdf
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5
Indexing—Linguistic processing
Johannes Leveling
;
Walid Magdy
;
Gareth J. F. Jones
In: http://doras.dcu.ie/16447/1/An_Investigation_of_Decompounding_for_Cross-Language_Patent_Search.pdf
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6
Efficient Question Answering with Question Decomposition and Multiple Answer Streams
Sven Hartrumpf
;
Ingo Glöckner
;
Johannes Leveling
In: http://www.clef-campaign.org/2008/working_notes/hartrumpf-paperCLEF2008.pdf
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7
University of Hagen at GeoCLEF 2008: Combining IR and QA for Geographic Information Retrieval
Johannes Leveling
;
Sven Hartrumpf
In: http://www.clef-campaign.org/2008/working_notes/leveling-paperCLEF2008.pdf
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