NUSIS at TREC 2011 Microblog Track: Refining Query Results with Hashtags.
Hadi AmiriYang BaoAnindya DattaXiaoying XuAnqi CuiPublished in: TREC (2011)
Keyphrases
- relevance feedback
- microblog posts
- ad hoc retrieval
- query processing
- retrieval effectiveness
- user queries
- information retrieval
- database
- query expansion
- response time
- data structure
- query terms
- database queries
- keywords
- test collection
- question answering
- social media
- retrieval systems
- data sources
- query formulation
- relevance judgments
- relevance assessments
- query performance prediction
- interactive query expansion
- topic models
- vector space
- range queries
- query evaluation
- information retrieval systems
- co occurrence
- social networks