An approximation algorithm for the spherical k-means problem with outliers by local search.
Yishui WangChenchen WuDongmei ZhangJuan ZouPublished in: J. Comb. Optim. (2022)
Keyphrases
- k means
- detection algorithm
- optimal solution
- search space
- learning algorithm
- clustering algorithm
- objective function
- preprocessing
- dynamic programming
- optimization algorithm
- fuzzy k means
- convergence rate
- matching algorithm
- expectation maximization
- clustering method
- computational complexity
- combinatorial optimization
- hierarchical clustering
- approximation ratio
- neural network
- maximum likelihood
- simulated annealing
- worst case
- probabilistic model
- data clustering
- search algorithm
- particle swarm optimization algorithm
- memetic algorithm