Information retrieval with concept-based pseudo-relevance feedback in MEDLINE.
Vahid JalaliMohammad Reza Matash BorujerdiPublished in: Knowl. Inf. Syst. (2011)
Keyphrases
- pseudo relevance feedback
- query expansion
- information retrieval
- retrieval effectiveness
- document retrieval
- relevant documents
- language model
- ad hoc retrieval
- relevance feedback
- automatic query expansion
- term selection
- trec collections
- information retrieval systems
- test collection
- query terms
- language modeling
- retrieval model
- text mining
- text retrieval
- trec test collections
- latent semantic indexing
- retrieved documents
- relevance model
- short queries
- pseudo feedback
- vector space model
- document collections
- average precision
- original query
- learning to rank
- document ranking
- prior art
- patent retrieval
- user queries
- n gram
- question answering
- ranking functions
- probabilistic model
- information seeking
- retrieval systems
- query specific
- information extraction