A New Passage Ranking Algorithm for Video Question Answering.
Yu-Chieh WuYue-Shi LeeJie-Chi YangShow-Jane YenPublished in: PSIVT (2006)
Keyphrases
- question answering
- ranking algorithm
- passage retrieval
- information extraction
- link analysis
- multimedia
- natural language processing
- question classification
- information retrieval
- web graph
- cross language
- named entities
- video data
- video retrieval
- qa clef
- natural language
- ranking functions
- question answering systems
- video content
- text summarization
- syntactic information
- natural language questions
- tf idf
- link structure
- semantic roles
- candidate answers
- answer validation
- video search
- machine learning