Chinese query expansion based on topic-relevant terms.
Xinhui TuTingting HeJing LuoJingguang ChenLong ChenZongkai YangPublished in: NLPKE (2008)
Keyphrases
- query expansion
- query topic
- expansion terms
- query terms
- original query
- web corpora
- trec genomics track
- retrieval effectiveness
- automatic query expansion
- information retrieval systems
- term selection
- information retrieval
- text summarization
- vocabulary mismatch
- language model
- query expansion methods
- document level
- relevance feedback
- language modeling
- retrieval model
- query specific
- expert finding
- pseudo relevance feedback
- text retrieval
- improving search
- relevance model
- probabilistic retrieval model
- query disambiguation
- relevant documents
- ad hoc retrieval
- initial query
- interactive query expansion
- short queries
- document set
- ranked retrieval
- average precision
- retrieval systems
- biomedical information retrieval
- text classification
- blog feed search