Legal Query Expansion using Ontologies and Relevance Feedback.
Erich SchweighoferAnton GeistPublished in: LOAIT (2007)
Keyphrases
- query expansion
- relevance feedback
- pseudo relevance feedback
- information retrieval systems
- retrieval effectiveness
- image retrieval
- text retrieval
- relevant documents
- image search
- document retrieval
- retrieval model
- user feedback
- language model
- active learning
- language modeling
- automatic query expansion
- information retrieval
- improving search
- retrieval accuracy
- initial query
- expansion terms
- ad hoc retrieval
- retrieved documents
- semantic relations
- original query
- probabilistic retrieval model
- biomedical information retrieval
- implicit relevance feedback
- query disambiguation
- retrieval process
- intellectual property
- ontology mapping
- relevance model
- knowledge base
- retrieval framework
- term selection
- semantic relationships
- cbir systems
- query terms
- keywords
- bayesian networks