Query Expansion Based on Thesaurus Relations: Evaluation over Internet.
Luiz Augusto Sangoi PizzatoVera Lúcia Strube de LimaPublished in: CICLing (2003)
Keyphrases
- query expansion
- information retrieval systems
- interactive query expansion
- information retrieval
- retrieval effectiveness
- language modeling
- language model
- relevance feedback
- pseudo relevance feedback
- improving search
- ad hoc retrieval
- text retrieval
- query expansion methods
- retrieval model
- original query
- automatic query expansion
- relevant documents
- query terms
- expansion terms
- semantic relations
- latent semantic
- ranked retrieval
- trec genomics track
- vocabulary mismatch
- probabilistic retrieval model
- biomedical information retrieval
- document collections
- multimedia