Keyphrases
- response time
- query formulation
- database
- query expansion
- particle filter
- query processing
- relevance feedback
- user queries
- real time
- range queries
- database queries
- retrieval method
- keyword search
- visual tracking
- query evaluation
- complex queries
- user interaction
- mean shift
- keywords
- motion model
- multi dimensional
- query language
- relational databases
- data structure
- search engine
- security protocols
- messages exchanged