Improving Effectiveness of Query Expansion Using Information Theoretic Approach.
Hazra ImranAditi SharanPublished in: IEA/AIE (2) (2010)
Keyphrases
- query expansion
- information retrieval systems
- retrieval effectiveness
- query expansion methods
- relevance feedback
- pseudo relevance feedback
- language model
- improving search
- information retrieval
- text retrieval
- language modeling
- relevant documents
- ad hoc retrieval
- automatic query expansion
- trec genomics track
- retrieved documents
- model for information retrieval
- biomedical information retrieval
- retrieval model
- ranked retrieval
- original query
- query terms
- trec collections
- test collection
- query translation
- question answering
- patent retrieval
- pseudo feedback
- implicit relevance feedback