Improving Query Expansion with Stemming Terms: A New Genetic Algorithm Approach.
Lourdes AraujoJosé R. Pérez-AgüeraPublished in: EvoCOP (2008)
Keyphrases
- query expansion
- retrieval effectiveness
- query terms
- expansion terms
- original query
- information retrieval
- automatic query expansion
- information retrieval systems
- language model
- trec genomics track
- term selection
- query expansion methods
- relevance feedback
- language modeling
- pseudo relevance feedback
- relevant documents
- vocabulary mismatch
- text retrieval
- retrieval model
- improving search
- document level
- initial query
- relevance model
- query disambiguation
- ad hoc retrieval
- probabilistic retrieval model
- test collection
- n gram
- co occurrence
- retrieved documents
- term dependencies
- vector space model
- ranked retrieval
- document retrieval
- search engine