PHC: A Rapid Parallel Hierarchical Cubing Algorithm on High Dimensional OLAP.
Kongfa HuLing ChenYixin ChenPublished in: ICA3PP (2007)
Keyphrases
- high dimensional
- parallel implementation
- optimal solution
- computational cost
- experimental evaluation
- learning algorithm
- optimization algorithm
- np hard
- search space
- k means
- significant improvement
- objective function
- clustering method
- detection algorithm
- preprocessing
- expectation maximization
- segmentation algorithm
- input data
- parallel version
- neural network
- hierarchical clustering
- metadata
- high accuracy
- worst case
- decision trees
- similarity measure
- computational complexity