133 search results - page 8 / 27 » Improving OLAP Performance by Multidimensional Hierarchical ... |
123
Voted
PRL
2010
14 years 7 months ago
2010
As an important technique for data analysis, clustering has been employed in many applications such as image segmentation, document clustering and vector quantization. Divisive cl...
107
Voted
SAC
1997
ACM
15 years 4 months ago
1997
ACM
Multidimensional discrete data (MDD), i.e., arrays of arbitrary size, dimension, and base type, are receiving growing attention among the database community. MDD occur in a variet...
100
Voted
EDBT
2004
ACM
15 years 5 months ago
2004
ACM
Abstract. We present a cost-based adaptive clustering method to improve average performance of spatial queries (intersection, containment, enclosure queries) over large collections...
107
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PRL
2008
15 years 9 days ago
2008
We propose a novel hierarchical clustering algorithm for data-sets in which only pairwise distances between the points are provided. The classical Hungarian method is an efficient...
113
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ICIP
2008
IEEE
15 years 6 months ago
2008
IEEE
The wavelet transform hierarchically decomposes images with prescribed bases, while multilineal models search for optimal bases to adapt visual data. In this paper, we integrate t...