Knowledge-based Query Expansion in Real-Time Microblog Search.
Runwei QiangFeifan FanChao LvJianwu YangPublished in: CoRR (2015)
Keyphrases
- query expansion
- improving search
- post retrieval
- original query
- automatic query expansion
- ranked retrieval
- interactive query expansion
- information retrieval systems
- retrieval effectiveness
- personalized web search
- language modeling
- information retrieval
- pseudo relevance feedback
- vocabulary mismatch
- language model
- query expansion methods
- relevance feedback
- ranking scheme
- relevant documents
- initial query
- query disambiguation
- text retrieval
- query terms
- document level
- document ranking
- query specific
- implicit relevance feedback
- personalized search
- search engine
- social media
- biomedical information retrieval
- trec genomics track
- ad hoc retrieval
- query formulation
- retrieval model
- web search
- search terms
- video search
- co occurrence