Words Temporality for Improving Query Expansion.
Olga CraveiroJoaquim MacedoHenrique MadeiraPublished in: PROPOR (2014)
Keyphrases
- query expansion
- language model
- information retrieval systems
- retrieval effectiveness
- information retrieval
- pseudo relevance feedback
- n gram
- text retrieval
- relevant documents
- language modeling
- ad hoc retrieval
- relevance feedback
- automatic query expansion
- improving search
- document level
- query expansion methods
- keywords
- query disambiguation
- ranked retrieval
- original query
- query translation
- query terms
- relevance model
- machine learning
- interactive query expansion
- biomedical information retrieval
- retrieval model
- word segmentation
- initial query
- noun phrases