Semantic Evolutionary Concept Distances for Effective Information Retrieval in Query Expansion.
Valentina FranzoniYuanxi LiClement H. C. LeungAlfredo MilaniPublished in: CoRR (2017)
Keyphrases
- query expansion
- information retrieval
- information retrieval systems
- relevant documents
- retrieval effectiveness
- language modeling
- language model
- spreading activation
- relevance feedback
- retrieval model
- ad hoc retrieval
- query terms
- text retrieval
- language modeling framework
- model for information retrieval
- automatic query expansion
- document retrieval
- pseudo relevance feedback
- original query
- biomedical information retrieval
- vocabulary mismatch
- ranked retrieval
- interactive query expansion
- natural language
- related concepts
- retrieved documents
- improving search
- passage retrieval
- term weighting
- information access
- information seeking
- query expansion methods
- learning to rank
- query disambiguation