Ontology-Based Query Expansion Widget for Information Retrieval.
Jouni TuominenTomi KauppinenKim ViljanenEero HyvönenPublished in: SFSW@ESWC (2009)
Keyphrases
- query expansion
- information retrieval
- information retrieval systems
- retrieval effectiveness
- language model
- relevant documents
- text retrieval
- ad hoc retrieval
- language modeling
- retrieval model
- relevance feedback
- pseudo relevance feedback
- query terms
- trec genomics track
- query expansion methods
- passage retrieval
- document retrieval
- search engine
- text mining
- vocabulary mismatch
- information extraction
- improving search
- automatic query expansion
- document collections
- model for information retrieval
- pseudo feedback
- term selection
- original query
- retrieved documents
- patent retrieval
- query specific
- term weighting
- query disambiguation
- vector space model