Continuous density queries for moving objects.
Xing HaoXiaofeng MengJianliang XuPublished in: MobiDE (2008)
Keyphrases
- spatio temporal queries
- moving objects
- spatio temporal
- spatio temporal databases
- moving object databases
- mobile objects
- query evaluation
- range queries
- query processing
- spatio temporal data
- image sequences
- query language
- load shedding
- motion segmentation
- background subtraction
- web search engines
- database
- efficient processing
- location based services
- objects moving
- moving object detection
- frequent updates
- query formulation
- user queries
- optical flow
- spatial join
- trajectory data
- object tracking
- multiple moving objects
- spatial networks
- detection algorithm
- response time
- dense optical flow
- three dimensional