Query expansion based on term distribution and DBpedia features.
Sarah DahirAbderrahim El QadiHamid BennisPublished in: Expert Syst. Appl. (2021)
Keyphrases
- query expansion
- web corpora
- expansion terms
- query terms
- information retrieval systems
- retrieval effectiveness
- language model
- pseudo relevance feedback
- language modeling
- information retrieval
- text retrieval
- initial query
- term mismatch
- improving search
- term selection
- probabilistic retrieval model
- ranked retrieval
- relevance model
- relevant documents
- feature space
- ad hoc retrieval
- automatic query expansion
- retrieval model
- query disambiguation
- trec genomics track
- feature extraction
- original query
- retrieval systems