Query Expansion Using PRF-CBD Approach for Documents Retrieval.
R. Rajendra PrasathSudeshna SarkarPublished in: PReMI (2013)
Keyphrases
- query expansion
- relevant documents
- information retrieval systems
- expansion terms
- pseudo relevance feedback
- information retrieval
- retrieved documents
- query terms
- original query
- ad hoc retrieval
- retrieval effectiveness
- retrieval model
- document level
- term selection
- document ranking
- relevance feedback
- text retrieval
- language model
- document retrieval
- passage retrieval
- query expansion methods
- language modeling
- query specific
- relevance model
- initial query
- retrieval systems
- automatic query expansion
- pseudo feedback
- retrieval process
- document collections
- vector space model
- trec collections
- ranked retrieval
- query disambiguation
- short queries
- user queries
- structured documents
- average precision
- test collection
- result set
- term frequency
- web documents
- biomedical information retrieval
- patent retrieval
- document representation
- tf idf
- ranked list
- query topic
- patent search
- search engine