The Research on Query Expansion for Chinese Question Answering System.
Zhengtao YuXiaozhong FanLirong SongJianyi GuoPublished in: FSKD (1) (2005)
Keyphrases
- query expansion
- web corpora
- text summarization
- retrieval effectiveness
- information retrieval systems
- information retrieval
- language model
- pseudo relevance feedback
- question answering
- language modeling
- relevance feedback
- relevant documents
- text retrieval
- improving search
- natural language
- query translation
- ad hoc retrieval
- retrieval model
- automatic query expansion
- ranked retrieval
- query specific
- trec genomics track
- query disambiguation
- original query
- word segmentation
- pseudo feedback
- interactive query expansion
- query expansion methods
- retrieved documents
- bayesian networks
- feature selection