Evolving XML and Dictionary Strategies for Question Answering and Novelty Tasks.
Kenneth C. LitkowskiPublished in: TREC (2004)
Keyphrases
- question answering
- question answering systems
- question classification
- information retrieval
- natural language
- information extraction
- named entities
- passage retrieval
- data model
- natural language processing
- open domain question answering
- sentence retrieval
- cross language
- relational databases
- relation extraction
- xml data
- natural language questions
- novelty detection
- syntactic information
- qa clef
- xml databases
- semi structured
- answering questions
- candidate answers
- answer extraction
- metadata
- answer validation
- data mining