Question Answering Based on Semantic Structures.
Srini NarayananSanda M. HarabagiuPublished in: COLING (2004)
Keyphrases
- question answering
- semantic structures
- semantic network
- question classification
- natural language processing
- information retrieval
- natural language
- knowledge domains
- latent semantic indexing
- information extraction
- syntactic information
- qa clef
- named entities
- passage retrieval
- qa systems
- natural language questions
- domain knowledge
- text retrieval
- question answering systems
- knowledge base
- machine learning