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» Problem Solving in the DISCO Constraint Database System
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CPAIOR
2008
Springer
14 years 11 months ago
Stochastic Satisfiability Modulo Theories for Non-linear Arithmetic
Abstract. The stochastic satisfiability modulo theories (SSMT) problem is a generalization of the SMT problem on existential and randomized (aka. stochastic) quantification over di...
Tino Teige, Martin Fränzle
SIGMOD
2005
ACM
111views Database» more  SIGMOD 2005»
15 years 10 months ago
Efficient Computation of Multiple Group By Queries
Data analysts need to understand the quality of data in the warehouse. This is often done by issuing many Group By queries on the sets of columns of interest. Since the volume of ...
Zhimin Chen, Vivek R. Narasayya
CSFW
2010
IEEE
15 years 1 months ago
Constraining Credential Usage in Logic-Based Access Control
—Authorization logics allow concise specification of flexible access-control policies, and are the basis for logic-based access-control systems. In such systems, resource owner...
Lujo Bauer, Limin Jia, Divya Sharma
SIGMOD
2008
ACM
140views Database» more  SIGMOD 2008»
15 years 10 months ago
Skippy: a new snapshot indexing method for time travel in the storage manager
The storage manager of a general-purpose database system can retain consistent disk page level snapshots and run application programs "back-in-time" against long-lived p...
Ross Shaull, Liuba Shrira, Hao Xu
KDD
2006
ACM
191views Data Mining» more  KDD 2006»
15 years 10 months ago
Beyond classification and ranking: constrained optimization of the ROI
Classification has been commonly used in many data mining projects in the financial service industry. For instance, to predict collectability of accounts receivable, a binary clas...
Lian Yan, Patrick Baldasare