Query Expansion and Message-Passing Algorithms for TREC Microblog Track.
Dzung HongQifan WangDan ZhangLuo SiPublished in: TREC (2011)
Keyphrases
- query expansion
- message passing
- retrieval effectiveness
- information retrieval
- pseudo relevance feedback
- biomedical information retrieval
- ad hoc retrieval
- sum product algorithm
- relevance feedback
- belief propagation
- learning algorithm
- relevant documents
- probabilistic retrieval model
- text mining
- information retrieval systems
- language model
- distributed systems
- retrieval model
- text retrieval
- information extraction
- computer vision
- inference in graphical models
- markov random field
- document retrieval
- document level
- automatic query expansion
- interactive query expansion
- keywords