DEMIR at CLEF eHealth: The Effects of Selective Query Expansion to Information Retrieval.
Okan OzturkmenogluAdil AlpkocakDeniz KilinçPublished in: CLEF (Working Notes) (2014)
Keyphrases
- query expansion
- information retrieval
- information retrieval systems
- retrieval effectiveness
- ad hoc retrieval
- retrieval model
- language model
- language modeling
- pseudo relevance feedback
- text retrieval
- relevant documents
- automatic query expansion
- term selection
- relevance feedback
- expansion terms
- vocabulary mismatch
- query expansion methods
- document collections
- model for information retrieval
- original query
- vector space model
- search engine
- query translation
- query terms
- term weighting
- document retrieval
- query specific
- retrieval systems
- question answering
- information extraction
- biomedical information retrieval
- tf idf
- information seeking
- federated search
- patent retrieval
- web search
- interactive query expansion
- feature space