A Tight Lower Bound for the Best-alpha Algorithm.
Eric TorngPatchrawat UthaisombutPublished in: Inf. Process. Lett. (1999)
Keyphrases
- lower bound
- worst case
- k means
- objective function
- optimal solution
- dynamic programming
- improved algorithm
- times faster
- cost function
- np hard
- upper bound
- tree structure
- competitive ratio
- optimization algorithm
- high accuracy
- learning algorithm
- significant improvement
- linear programming
- preprocessing
- detection algorithm
- matching algorithm
- similarity measure
- convergence rate
- neural network
- experimental evaluation
- computational complexity
- combinatorial optimization
- convex hull
- lower and upper bounds