Query Expansion in Information Retrieval Systems using a Bayesian Network-Based Thesaurus
Luis M. de CamposJuan M. Fernández-LunaJuan F. HuetePublished in: CoRR (2013)
Keyphrases
- information retrieval systems
- query expansion
- retrieval effectiveness
- query expansion methods
- information retrieval
- relevance feedback
- relevant documents
- text retrieval
- language modeling
- document collections
- pseudo relevance feedback
- retrieval model
- retrieval systems
- search queries
- information access
- bayesian networks
- user queries
- ad hoc retrieval
- query terms
- retrieved documents
- automatic query expansion
- original query
- structured documents
- xml retrieval
- search logs
- average precision
- expansion terms