Conceptual Representing of Documents and Query Expansion Based on Ontology.
Hao-ming WangYe GuoXibing ShiFan YangPublished in: WISM (2012)
Keyphrases
- query expansion
- relevant documents
- information retrieval systems
- information retrieval
- retrieved documents
- query terms
- related concepts
- document ranking
- ad hoc retrieval
- retrieval effectiveness
- trec genomics track
- document level
- term selection
- text retrieval
- original query
- pseudo relevance feedback
- query specific
- query expansion methods
- initial query
- language modeling
- language model
- pseudo feedback
- semantic relationships
- document retrieval
- relevance feedback
- document collections
- retrieval model
- relevance model
- query translation
- automatic query expansion
- language modeling framework
- query disambiguation
- ranked retrieval
- biomedical information retrieval
- web documents
- passage retrieval
- retrieval systems
- vector space model
- keywords
- result set
- query topic
- expert finding
- natural language processing
- user queries