Query expansion with terms selected using lexical cohesion analysis of documents.
Olga VechtomovaMurat KaramuftuogluPublished in: Inf. Process. Manag. (2007)
Keyphrases
- query expansion
- query terms
- document level
- information retrieval systems
- original query
- relevant documents
- information retrieval
- initial query
- retrieved documents
- relevance model
- retrieval effectiveness
- automatic query expansion
- language model
- pseudo relevance feedback
- text retrieval
- relevance feedback
- retrieval model
- language modeling
- term frequency
- co occurrence
- xml documents
- machine learning
- test collection
- n gram