Microblog Retrieval Using Topical Features and Query Expansion.
Cher Han LauYuefeng LiDian TjondronegoroPublished in: TREC (2011)
Keyphrases
- query expansion
- information retrieval systems
- relevance feedback
- information retrieval
- blog feed search
- retrieval effectiveness
- retrieval model
- text retrieval
- ranked retrieval
- relevant documents
- document level
- ad hoc retrieval
- language model
- query terms
- language modeling
- feature space
- original query
- pseudo relevance feedback
- post retrieval
- automatic query expansion
- social media
- interactive query expansion
- query disambiguation
- query translation
- query expansion methods
- feature selection
- improve retrieval effectiveness
- query specific
- relevance model
- feature extraction
- probabilistic retrieval model