Semantic-aware Dynamic Retrospective-Prospective Reasoning for Event-level Video Question Answering.
Chenyang LyuTianbo JiYvette GrahamJennifer FosterPublished in: CoRR (2023)
Keyphrases
- question answering
- answering questions
- question classification
- qa clef
- natural language processing
- information retrieval
- named entities
- information extraction
- video sequences
- natural language
- cross language
- syntactic information
- answer validation
- open domain question answering
- sentence retrieval
- multimedia
- video content
- passage retrieval
- question answering systems
- natural language questions
- answer extraction
- knowledge base
- video frames
- qa systems
- relation extraction
- video retrieval
- key frames
- video data
- semantic roles
- candidate answers
- visual features
- co occurrence
- knowledge representation