Query Term Expansion based on Paragraphs of the Relevant Documents.
Kai IshikawaKenji SatohAkitoshi OkumuraPublished in: TREC (1997)
Keyphrases
- query terms
- relevant documents
- retrieval effectiveness
- query expansion
- test collection
- information retrieval systems
- user queries
- information retrieval
- document retrieval
- document collections
- relevance feedback
- retrieved documents
- query logs
- pseudo relevance feedback
- search queries
- co occurrence
- ranked list
- cross language information retrieval
- language model
- document set
- user feedback
- result set
- term frequency
- keywords
- original query
- query specific
- average precision
- retrieval model
- relevance judgments
- search engine
- text retrieval
- text classification
- database systems
- databases
- document ranking
- database