Query and Trigger of Moving Objects in WebGIS Environment.
Fengli ZhangXinggao HeZhinguang QinMingtian ZhouPublished in: CIT (2004)
Keyphrases
- moving objects
- query processing
- data structure
- response time
- query evaluation
- database
- query formulation
- mobile robot
- real time
- continuously moving
- retrieval method
- range queries
- optical flow
- keywords
- relevance feedback
- dynamic environments
- data management
- query expansion
- user queries
- camera motion
- retrieval systems
- data sources
- road network
- video sequences
- query execution
- trajectories of moving objects
- image sequences