A survey of statistical approaches for query expansion.
Muhammad Ahsan RazaRahmah MokhtarNoraziah AhmadPublished in: Knowl. Inf. Syst. (2019)
Keyphrases
- statistical approaches
- query expansion
- information retrieval systems
- retrieval effectiveness
- language model
- text retrieval
- language modeling
- information retrieval
- pseudo relevance feedback
- relevance feedback
- relevant documents
- retrieval model
- statistical methods
- automatic query expansion
- query terms
- improving search
- ad hoc retrieval
- retrieved documents
- original query
- trec genomics track
- ranking scheme
- data mining
- vocabulary mismatch
- web corpora
- biomedical information retrieval
- query disambiguation