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» An Overview of Repository Technology
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DOLAP
2004
ACM
14 years 1 months ago
Cardinality-based inference control in OLAP systems: an information theoretic approach
We address the inference control problem in data cubes with some data known to users through external knowledge. The goal of inference controls is to prevent exact values of sensi...
Nan Zhang 0004, Wei Zhao, Jianer Chen
DOLAP
2004
ACM
14 years 1 months ago
PrefixCube: prefix-sharing condensed data cube
BST Condensed Cube is a fully computed cube that condenses those tuples, which are aggregated from the same single base relation tuple, into one physical tuple. Although it has be...
Jianlin Feng, Qiong Fang, Hulin Ding
DOLAP
2004
ACM
14 years 1 months ago
An analysis of additivity in OLAP systems
Accurate summary data is of paramount concern in data warehouse systems; however, there have been few attempts to completely characterize the ability to summarize measures. The su...
John Horner, Il-Yeol Song, Peter P. Chen
SIGIR
2004
ACM
14 years 1 months ago
Learning effective ranking functions for newsgroup search
Web communities are web virtual broadcasting spaces where people can freely discuss anything. While such communities function as discussion boards, they have even greater value as...
Wensi Xi, Jesper Lind, Eric Brill
CAISE
2004
Springer
14 years 1 months ago
Object-Process Methodology (OPM) vs. UML - a Code Generation Perspective
Modeling languages have been evolving at a high pace, encouraging the use of automatic code generators for transforming models to programs. Automatic code generators should enable ...
Iris Reinhartz-Berger, Dov Dori