Keyphrases
- ontology driven
- question answering
- information extraction
- natural language processing
- natural language
- cross language
- natural language questions
- named entities
- topic maps
- information retrieval
- design patterns
- syntactic information
- answer extraction
- question classification
- open domain question answering
- passage retrieval
- question answering systems
- qa clef
- speech transcripts
- knowledge representation
- digital libraries