5 search results - page 1 / 1 » Space-Efficient Range-Sum Queries in OLAP |
DAWAK
2004
Springer
13 years 8 months ago
2004
Springer
Abstract. In this paper, we present a fast algorithm to answer rangesum queries in OLAP data cubes. Our algorithm supports constanttime queries while maintaining sub-linear time up...
ICDE
1999
IEEE
14 years 5 months ago
1999
IEEE
Range sum queries on data cubes are a powerful tool for analysis. A range sum query applies an aggregation operation (e.g., SUM) over all selected cells in a data cube, where the ...
DEXA
2008
Springer
13 years 6 months ago
2008
Springer
In this research, we propose to use the discrete cosine transform to approximate the cumulative distributions of data cube cells' values. The cosine transform is known to have...
DKE
2000
13 years 4 months ago
2000
A range query applies an aggregation operation (e.g., SUM) over all selected cells of an OLAP data cube where the selection is speci
PODS
2005
ACM
14 years 4 months ago
2005
ACM
The challenge of monitoring massive amounts of data generated by communication networks has led to the interest in data stream processing. We study streams of edges in massive com...