Gene Clustering on the Unit Hypersphere with the Spherical K-Means Algorithm: Coping with Extremely Large Number of Local Optima.
Xuan Vinh NguyenPublished in: BIOCOMP (2008)
Keyphrases
- k means
- cluster centers
- clustering method
- hierarchical clustering
- clustering algorithm
- optimization algorithm
- computational complexity
- rough k means
- data clustering
- fuzzy k means
- cluster analysis
- spectral clustering
- expectation maximization
- unsupervised clustering
- learning algorithm
- document clustering
- similarity measure
- clustering approaches
- cluster structure
- affinity propagation
- feature selection
- synthetic datasets
- memory requirements
- self organizing maps
- detection algorithm
- np hard
- objective function
- fuzzy clustering
- fuzzy c means
- clustering quality
- dynamic programming
- clustering result
- pairwise
- optimal solution
- kohonen self organizing maps