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DOLAP
2004
ACM
15 years 9 months ago
Evaluating XML-extended OLAP queries based on a physical algebra
In today’s OLAP systems, integrating fast changing data, e.g., stock quotes, physically into a cube is complex and time-consuming. The widespread use of XML makes it very possib...
Xuepeng Yin, Torben Bach Pedersen
CSCLP
2005
Springer
15 years 9 months ago
A Hybrid Benders' Decomposition Method for Solving Stochastic Constraint Programs with Linear Recourse
Abstract. We adopt Benders’ decomposition algorithm to solve scenariobased Stochastic Constraint Programs (SCPs) with linear recourse. Rather than attempting to solve SCPs via a ...
Armagan Tarim, Ian Miguel
WSC
1998
15 years 5 months ago
Toward Increased Use of Simulation in Transportation
The validity and usefulness of system simulation has been well-established for decades in areas such as computer and communications systems, general manufacturing systems, and mil...
Daniel T. Brunner, Gary Cross, Catherine McGhee, J...
DOLAP
2004
ACM
15 years 9 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
121
Voted
DKE
2008
72views more  DKE 2008»
15 years 4 months ago
On space constrained set selection problems
Space constrained optimization problems arise in a variety of applications, ranging from databases to ubiquitous computing. Typically, these problems involve selecting a set of it...
Themis Palpanas, Nick Koudas, Alberto O. Mendelzon