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» Range queries in dynamic OLAP data cubes
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DKE
2000
75views more  DKE 2000»
13 years 4 months ago
Range queries in dynamic OLAP data cubes
A range query applies an aggregation operation (e.g., SUM) over all selected cells of an OLAP data cube where the selection is speci
Weifa Liang, Hui Wang, Maria E. Orlowska
ICDE
1999
IEEE
89views Database» more  ICDE 1999»
14 years 5 months ago
Relative Prefix Sums: An Efficient Approach for Querying Dynamic OLAP Data Cubes
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 ...
Steven Geffner, Divyakant Agrawal, Amr El Abbadi, ...
VLDB
2001
ACM
115views Database» more  VLDB 2001»
13 years 9 months ago
Dynamic Update Cube for Range-sum Queries
A range-sum query is very popular and becomes important in finding trends and in discovering relationships between attributes in diverse database applications. It sums over the se...
Seok-Ju Chun, Chin-Wan Chung, Ju-Hong Lee, Seok-Ly...
DAWAK
2004
Springer
13 years 8 months ago
Space-Efficient Range-Sum Queries in OLAP
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...
Fredrik Bengtsson, Jingsen Chen
SIGMOD
1997
ACM
107views Database» more  SIGMOD 1997»
13 years 8 months ago
Range Queries in OLAP Data Cubes
A range query applies an aggregation operation over all selected cells of an OLAP data cube where the selection is speci ed by providing ranges of values for numeric dimensions. W...
Ching-Tien Ho, Rakesh Agrawal, Nimrod Megiddo, Ram...