Managing Word Mismatch Problems in Information Retrieval: A Topic-Based Query Expansion Approach.
Chih-Ping WeiPaul Jen-Hwa HuChia-Hung TaiChun-Neng HuangChin-Sheng YangPublished in: J. Manag. Inf. Syst. (2008)
Keyphrases
- query expansion
- information retrieval
- information retrieval systems
- language modeling
- retrieval effectiveness
- language model
- relevance feedback
- text retrieval
- relevant documents
- retrieval model
- ad hoc retrieval
- document level
- query disambiguation
- automatic query expansion
- model for information retrieval
- biomedical information retrieval
- pseudo relevance feedback
- query terms
- search engine
- relevance model
- machine learning
- co occurrence
- original query
- document ranking
- term selection
- query topic
- ranked retrieval
- test collection
- query expansion methods
- probabilistic retrieval model