RePaLi Participation to CLEF eHealth IR Challenge 2014: Leveraging Term Variation.
Vincent ClaveauThierry HamonNatalia GrabarSébastien Le MaguerPublished in: CLEF (Working Notes) (2014)
Keyphrases
- information retrieval
- query expansion
- cross language ir
- ad hoc retrieval
- qa clef
- term weighting
- test collection
- clef evaluation campaign
- question answering
- term selection
- relevance model
- text retrieval
- information retrieval systems
- passage retrieval
- query terms
- language model
- cl sr
- retrieval model
- language modeling framework
- ir models
- information access
- okapi bm
- pseudo relevance feedback
- term frequency
- retrieval effectiveness
- relevance feedback
- ir evaluation
- web pages
- natural language
- probabilistic retrieval models
- blind relevance feedback
- text classification
- text categorization
- relevant documents
- answer extraction
- document retrieval
- online communities
- language modeling
- cross language