UCLA-Okapi at TREC-2: Query Expansion Experiments.
Efthimis N. EfthimiadisPaul V. BironPublished in: TREC (1993)
Keyphrases
- query expansion
- retrieval effectiveness
- information retrieval systems
- pseudo relevance feedback
- biomedical information retrieval
- ad hoc retrieval
- information retrieval
- relevant documents
- relevance judgments
- relevance feedback
- retrieval model
- average precision
- language model
- automatic query expansion
- language modeling
- interactive query expansion
- short queries
- document retrieval
- query terms
- text retrieval
- original query
- ranked retrieval
- relevance model
- retrieved documents
- retrieval systems
- trec collections
- expert search
- query difficulty
- passage retrieval
- document collections
- language modelling
- improve retrieval effectiveness
- question answering