Semantic-aware Dynamic Retrospective-Prospective Reasoning for Event-level Video Question Answering.

Chenyang Lyu Tianbo Ji Yvette Graham Jennifer Foster

Published 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