Towards leveraging closed captions for news retrieval.
Roi BlancoGianmarco De Francisci MoralesFabrizio SilvestriPublished in: WWW (Companion Volume) (2013)
Keyphrases
- closed captions
- tv shows
- cross media
- information retrieval
- news articles
- information retrieval systems
- retrieval systems
- document retrieval
- image retrieval
- test collection
- multimedia databases
- news video
- relevance feedback
- social media
- topic segmentation
- query expansion
- news stories
- human interactions
- natural language
- keywords