ExpansionTool: Concept-Based Query Expansion and Construction.
Kalervo JärvelinJaana KekäläinenTimo NiemiPublished in: Inf. Retr. (2001)
Keyphrases
- query expansion
- retrieval effectiveness
- language model
- information retrieval systems
- text retrieval
- information retrieval
- pseudo relevance feedback
- relevance feedback
- language modeling
- automatic query expansion
- relevant documents
- retrieval model
- improving search
- biomedical information retrieval
- trec genomics track
- ad hoc retrieval
- query terms
- original query
- query specific
- ranked retrieval
- model for information retrieval
- text categorization
- relevance model
- initial query
- query translation
- vocabulary mismatch
- machine learning