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