Towards a Combined Grouping and Aggregation Algorithm for Fast Query Processing in Columnar Databases with GPUs.
Sina MerajiJohn KeenleysideSunil KamathBob BlaineyPublished in: IPDPS Workshops (2015)
Keyphrases
- databases
- experimental evaluation
- query processing
- times faster
- k means
- learning algorithm
- np hard
- search space
- worst case
- optimization algorithm
- computational cost
- cost function
- preprocessing
- matching algorithm
- detection algorithm
- recognition algorithm
- grouping algorithm
- dynamic programming
- database
- computational complexity
- optimal solution
- image segmentation
- real time
- probabilistic model
- convergence rate
- cost model