Term relevance estimation for Chinese query expansion.
Xinhui TuTingting HeJing LuoPublished in: NLPKE (2009)
Keyphrases
- query expansion
- web corpora
- probabilistic retrieval model
- relevance feedback
- relevance model
- information retrieval
- expansion terms
- language modeling framework
- initial query
- query terms
- retrieved documents
- retrieval effectiveness
- term mismatch
- text summarization
- information retrieval systems
- pseudo relevance feedback
- language model
- text retrieval
- document ranking
- language modeling
- term selection
- relevant documents
- ad hoc retrieval
- retrieval model
- automatic query expansion
- improving search
- pseudo feedback
- implicit relevance feedback
- original query
- ranked retrieval
- query specific
- biomedical information retrieval
- query topic
- query translation
- ranked list
- query disambiguation
- document retrieval