Local Search Yields a PTAS for k-Means in Doubling Metrics.
Zachary FriggstadMohsen RezapourMohammad R. SalavatipourPublished in: CoRR (2016)
Keyphrases
- k means
- search algorithm
- genetic algorithm
- clustering algorithm
- self organizing maps
- approximation algorithms
- data clustering
- combinatorial optimization
- cluster analysis
- approximation schemes
- clustering method
- spectral clustering
- global search
- polynomial time approximation
- simulated annealing
- search space
- optimal solution
- satisfiability testing
- systematic search
- information retrieval
- similarity metrics
- expectation maximization
- unsupervised clustering
- constraint satisfaction problems
- evolutionary algorithm
- data sets
- squared euclidean distance