Corpus-based semantic role approach in information retrieval.
Paloma MoredaBorja NavarroManuel PalomarPublished in: Data Knowl. Eng. (2007)
Keyphrases
- semantic roles
- information retrieval
- question answering
- semantic role labeling
- topic detection and tracking
- information retrieval systems
- dependency structure
- information extraction
- search engine
- domain knowledge
- parse tree
- relevance feedback
- document collections
- test collection
- semantic relations
- expert systems
- vector space model
- knowledge base
- machine learning