Query-expansion Approaches for Microblog Retrieval.
Sandeep AvulaJaime ArguelloPublished in: TREC (2015)
Keyphrases
- query expansion
- pseudo feedback
- information retrieval systems
- retrieval model
- information retrieval
- text retrieval
- relevance feedback
- retrieval effectiveness
- pseudo relevance feedback
- language modeling
- language model
- probabilistic retrieval model
- automatic query expansion
- query specific
- ranked retrieval
- ad hoc retrieval
- query expansion methods
- expansion terms
- vocabulary mismatch
- original query
- relevant documents
- document ranking
- improving search
- query terms
- retrieval strategies
- passage retrieval
- query translation
- interactive query expansion
- social media
- biomedical information retrieval
- retrieved documents
- document level
- relevance model
- average precision
- test collection
- active learning
- bayesian networks