HQE: A hybrid method for query expansion.
Lixin HanGuihai ChenPublished in: Expert Syst. Appl. (2009)
Keyphrases
- query expansion
- hybrid method
- information retrieval systems
- information retrieval
- language model
- pseudo relevance feedback
- retrieval effectiveness
- text retrieval
- relevance feedback
- hybrid algorithm
- language modeling
- relevant documents
- ad hoc retrieval
- improving search
- query terms
- automatic query expansion
- query expansion methods
- data mining
- search engine
- genetic algorithm
- retrieved documents
- original query
- biomedical information retrieval
- query disambiguation
- probabilistic retrieval model