133 search results - page 5 / 27 » Improving OLAP Performance by Multidimensional Hierarchical ... |
CIARP
2010
Springer
13 years 9 months ago
2010
Springer
Abstract. Feature selection has improved the performance of text clustering. In this paper, a local feature selection technique is incorporated in the dynamic hierarchical compact ...
ICMCS
2006
IEEE
14 years 4 months ago
2006
IEEE
In this paper, we present a new speaker diarization system that improves the accuracy of traditional hierarchical clustering-based methods with little increase in computational co...
IV
2005
IEEE
14 years 4 months ago
2005
IEEE
Lowering computational cost of data analysis and visualization techniques is an essential step towards including the user in the visualization. In this paper we present an improve...
JIIS
2000
13 years 10 months ago
2000
Abstract. Efficient query processing is one of the basic needs for data mining algorithms. Clustering algorithms, association rule mining algorithms and OLAP tools all rely on effi...
DOLAP
2003
ACM
14 years 4 months ago
2003
ACM
The data cube operator exemplifies two of the most important aspects of OLAP queries: aggregation and dimension hierarchies. In earlier work we presented Dwarf, a highly compress...