Keyphrases
- worst case
- computational complexity
- clustering algorithm
- data clustering
- computational cost
- wide range
- computational efficiency
- neural network
- lower complexity
- high computational complexity
- nonnegative matrix factorization
- space complexity
- computationally complex
- reduced complexity
- range data
- memory requirements
- data objects
- cluster analysis
- combinatorial optimization
- orders of magnitude
- k means
- data structure
- objective function