Keyphrases
- query processing
- database
- multimedia documents
- video sequences
- response time
- query expansion
- video data
- user queries
- video segments
- multimedia
- relevance feedback
- video search
- database queries
- video analysis
- content based search
- video surveillance
- video content
- video frames
- real time
- video streams
- information retrieval
- similarity measure
- retrieval method
- user interaction
- data objects
- query terms
- key frames
- motion estimation
- communication cost
- spatio temporal
- data structure
- range queries
- complex queries
- spatial and temporal
- databases
- textual descriptions
- retrieval systems