Use of Metadata for Question Answering and Novelty Tasks.
Kenneth C. LitkowskiPublished in: TREC (2003)
Keyphrases
- question answering
- metadata
- question answering systems
- information retrieval
- natural language processing
- digital libraries
- natural language
- named entities
- cross language
- question classification
- information extraction
- qa clef
- sentence retrieval
- passage retrieval
- relation extraction
- novelty detection
- natural language questions
- multimedia
- answer extraction
- open domain question answering
- structured data
- databases
- textual entailment recognition