Thesaurus enrichment for query expansion in audiovisual archives.
Laura HollinkVéronique MalaiséGuus SchreiberPublished in: Multim. Tools Appl. (2010)
Keyphrases
- query expansion
- information retrieval systems
- retrieval effectiveness
- information retrieval
- language model
- digital libraries
- query expansion methods
- pseudo relevance feedback
- language modeling
- text retrieval
- latent semantic
- original query
- relevant documents
- retrieval model
- ad hoc retrieval
- improving search
- metadata
- query terms
- relevance feedback
- multimedia
- video retrieval
- visual information
- automatic query expansion
- trec genomics track
- expansion terms
- gene ontology
- audio visual
- query processing
- retrieved documents
- feature space
- keywords
- interactive query expansion
- vocabulary mismatch
- document collections
- biomedical information retrieval