Keyphrases
- question answering
- multimedia
- cross language
- information retrieval
- information extraction
- multimedia content
- named entities
- natural language processing
- natural language
- multimedia data
- question classification
- natural language questions
- digital libraries
- question answering systems
- relation extraction
- qa clef
- sentence retrieval
- textual entailment recognition
- answering questions
- syntactic information
- video data
- qa systems
- semantic roles
- passage retrieval
- audio visual
- expert systems