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» Auditing Sum Queries
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DEXA
2008
Springer
154views Database» more  DEXA 2008»
13 years 9 months ago
Approximate Range-Sum Queries over Data Cubes Using Cosine Transform
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...
Wen-Chi Hou, Cheng Luo, Zhewei Jiang, Feng Yan, Qi...
JCS
2007
56views more  JCS 2007»
13 years 7 months ago
Parity-based inference control for multi-dimensional range sum queries
Lingyu Wang, Yingjiu Li, Sushil Jajodia, Duminda W...
TC
1998
13 years 7 months ago
Partial-Sum Queries in OLAP Data Cubes Using Covering Codes
Ching-Tien Ho, Jehoshua Bruck, Rakesh Agrawal
ECIR
2010
Springer
13 years 8 months ago
An Empirical Study of Query Specificity
We analyse the statistical behavior of query-associated quantities in query-logs, namely, the sum and mean of IDF of query terms, otherwise known as query specificity and query mea...
Avi Arampatzis, Jaap Kamps
SODA
2010
ACM
144views Algorithms» more  SODA 2010»
13 years 5 months ago
Cell-Probe Lower Bounds for Succinct Partial Sums
The partial sums problem in succinct data structures asks to preprocess an array A[1 . . n] of bits into a data structure using as close to n bits as possible, and answer queries ...
Mihai Patrascu, Emanuele Viola