PGWinFunc: Optimizing Window Aggregate Functions in PostgreSQL and its application for trajectory data.
Jiansong MaYu CaoXiaoling WangChaoyong WangCheqing JinAoying ZhouPublished in: ICDE (2015)
Keyphrases
- trajectory data
- aggregate functions
- expressive power
- aggregate queries
- recursive queries
- query language
- relational algebra
- moving object trajectories
- moving objects
- space time
- road network
- transitive closure
- spatial data
- database theory
- temporal information
- query optimization
- database management systems
- query execution
- relational calculus
- multi dimensional
- data cube
- databases
- relational model
- open problems
- first order logic
- machine learning