Beyond Shot Retrieval: Searching for Broadcast News Items Using Language Models of Concepts.
Robin AlyAiden R. DohertyDjoerd HiemstraAlan F. SmeatonPublished in: ECIR (2010)
Keyphrases
- language model
- news video
- news items
- retrieval model
- document retrieval
- language modeling
- term dependencies
- information retrieval
- query expansion
- language models for information retrieval
- test collection
- news stories
- ad hoc information retrieval
- ir models
- n gram
- probabilistic model
- query terms
- smoothing methods
- statistical language models
- language modelling
- relevance model
- video shots
- video database
- document ranking
- video content
- video frames
- pseudo relevance feedback
- multimedia content
- key frames
- data mining
- okapi bm
- query specific
- news articles
- text mining
- video search
- content based retrieval
- image annotation
- statistical language modeling
- visual information