Query Expansion Techniques for Information Retrieval: a Survey.
Hiteshwar Kumar AzadAkshay DeepakPublished in: CoRR (2017)
Keyphrases
- query expansion
- information retrieval
- information retrieval systems
- retrieval effectiveness
- language modeling
- language model
- retrieval model
- relevant documents
- ad hoc retrieval
- text retrieval
- model for information retrieval
- pseudo relevance feedback
- relevance feedback
- automatic query expansion
- query terms
- original query
- query expansion methods
- passage retrieval
- trec genomics track
- term selection
- improving search
- query translation
- biomedical information retrieval
- vocabulary mismatch
- document retrieval
- query disambiguation
- probabilistic retrieval model
- patent retrieval
- document ranking
- retrieved documents
- learning to rank
- information extraction
- image retrieval