Local versus Global Strategies in Social Query Expansion.
Omar AlonsoVasileios KandylasSerge-Eric TremblayPublished in: CoRR (2019)
Keyphrases
- query expansion
- information retrieval systems
- retrieval effectiveness
- information retrieval
- pseudo relevance feedback
- language model
- relevant documents
- text retrieval
- language modeling
- improving search
- social networks
- relevance feedback
- retrieved documents
- ad hoc retrieval
- query terms
- retrieval model
- query disambiguation
- ranked retrieval
- pseudo feedback
- biomedical information retrieval
- automatic query expansion
- ranking scheme
- probabilistic retrieval model
- original query
- initial query
- interactive query expansion
- vocabulary mismatch
- query expansion methods
- web corpora
- relevance model
- test collection
- active learning