Local Query Expansion Using Terms Windows for Robust Retrieval.
Ángel F. Zazo RodríguezJosé Luis Alonso BerrocalCarlos G. FiguerolaPublished in: CLEF (2006)
Keyphrases
- query expansion
- expansion terms
- query terms
- original query
- automatic query expansion
- information retrieval systems
- relevance feedback
- trec genomics track
- retrieval effectiveness
- initial query
- query expansion methods
- information retrieval
- term selection
- retrieval model
- probabilistic retrieval model
- language model
- pseudo relevance feedback
- ad hoc retrieval
- text retrieval
- relevant documents
- language modeling
- interactive query expansion
- ranked retrieval
- relevance model
- vocabulary mismatch
- text based image retrieval
- short queries
- co occurrence
- query specific
- machine learning
- document retrieval
- document level
- retrieval accuracy
- document ranking
- passage retrieval
- pseudo feedback
- retrieved documents
- query translation
- term frequency
- probabilistic model
- biomedical information retrieval
- search engine
- average precision