Using Semantic Roles in Information Retrieval Systems.
Paloma MoredaBorja NavarroManuel PalomarPublished in: NLDB (2005)
Keyphrases
- information retrieval systems
- semantic roles
- semantic role labeling
- question answering
- information retrieval
- semantic relations
- query expansion
- document collections
- retrieval model
- retrieval effectiveness
- retrieval systems
- word sense disambiguation
- user queries
- inverted file
- relevance feedback
- relevant documents
- news stories
- semantic relationships
- text retrieval
- relation extraction
- knowledge sources