383 search results - page 15 / 77 » OLAP Dimension Constraints |
108
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KDD
2007
ACM
16 years 8 days ago
2007
ACM
Dimension attributes in data warehouses are typically hierarchical (e.g., geographic locations in sales data, URLs in Web traffic logs). OLAP tools are used to summarize the measu...
158
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CAD
2011
Springer
14 years 6 months ago
2011
Springer
The problem of computing the minimum enclosing sphere (MES) of a point set is a classical problem in Computational Geometry. As an LP-type problem, its expected running time on th...
PVLDB
2008
14 years 11 months ago
2008
Online-Analytical Processing (OLAP) has been a field of competing technologies for the past ten years. One of the still unsolved challenges of OLAP is how to provide quick respons...
105
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SMI
2005
IEEE
15 years 5 months ago
2005
IEEE
We propose an algorithm for contouring k-manifolds (k = 1, 2) embedded in an arbitrary n-dimensional space. We assume (n−k) geometric constraints are represented as polynomial e...
FOCS
1990
IEEE
15 years 3 months ago
1990
IEEE
For any xed dimension d, the linear programming problem with n inequality constraints can be solved on a probabilistic CRCW PRAM with O(n) processors almost surely in constant time...