Improving keyword search by query expansion in a probabilistic framework.
Zhipeng ChenZhiyang HePing LvJi WuPublished in: ISCSLP (2014)
Keyphrases
- query expansion
- keyword search
- information retrieval systems
- relational databases
- language model
- retrieval effectiveness
- information retrieval
- probabilistic model
- text retrieval
- pseudo relevance feedback
- relevant documents
- keywords
- automatic query expansion
- ranking scheme
- language modeling
- xml data
- retrieval model
- structured data
- search queries
- keyword queries
- relevance feedback
- retrieved documents
- relevance model
- query language
- bayesian networks