Keyphrases
- detection algorithm
- k means
- high accuracy
- improved algorithm
- times faster
- preprocessing
- theoretical analysis
- dynamic programming
- learning algorithm
- matching algorithm
- optimization algorithm
- computationally efficient
- computational cost
- experimental evaluation
- input data
- np hard
- cost function
- search space
- relational databases
- computational complexity
- optimal solution
- objective function
- databases
- source code
- clustering method
- database systems
- highly efficient