Question Answering Using Unification-Based Grammar.
Vlado KeseljPublished in: Canadian Conference on AI (2001)
Keyphrases
- question answering
- natural language
- natural language parsing
- natural language processing
- named entities
- question classification
- information extraction
- information retrieval
- linguistic knowledge
- question answering systems
- syntactic information
- relation extraction
- qa clef
- cross language
- passage retrieval
- data mining
- open domain question answering
- semantic roles
- context free grammars
- parse tree
- knowledge representation
- answer extraction
- sentence retrieval
- natural language questions
- speech transcripts
- machine learning