Keyphrases
- multi modal
- question answering
- cross modal
- high dimensional
- video search
- natural language processing
- information retrieval
- information extraction
- question classification
- cross language
- single modality
- passage retrieval
- natural language
- semantic concepts
- question answering systems
- multi modality
- answering questions
- qa clef
- audio visual
- visual information
- natural language questions
- visual data
- image annotation
- image classification
- syntactic information
- answer validation
- candidate answers
- qa systems
- semantic roles
- visual features
- high level
- search engine