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ADC
1993
Springer
108views Database» more  ADC 1993»
14 years 9 months ago
Using Weakest Preconditions to Simplify Integrity Constraint Checking
We present a procedure for deriving the weakest precondition for a database update and an integrity constraint. We show how to simplify the weakest precondition to produce a condi...
Michael Lawley, Rodney W. Topor, Mark Wallace
PLDI
2009
ACM
15 years 22 hour ago
A weakest precondition approach to active attacks analysis
Information flow controls can be used to protect both data confidentiality and data integrity. The certification of the security degree of a program that runs in untrusted envi...
Musard Balliu, Isabella Mastroeni
ENTCS
2006
133views more  ENTCS 2006»
14 years 5 months ago
Linking Semantic Models to Support CSP || B Consistency Checking
Consistency checking in the CSP B approach verifies that an individual controller process, defined using a sequential non-divergent subset of CSP, never calls a B operation outsid...
Neil Evans, Helen Treharne
ICMT
2010
Springer
14 years 10 months ago
Synthesis of OCL Pre-conditions for Graph Transformation Rules
Graph transformation (GT) is being increasingly used in Model Driven Engineering (MDE) to describe in-place transformations like animations and refactorings. For its practical use,...
Jordi Cabot, Robert Clarisó, Esther Guerra,...
FQAS
2004
Springer
122views Database» more  FQAS 2004»
14 years 9 months ago
Simplification of Integrity Constraints with Aggregates and Arithmetic Built-Ins
In the context of relational as well as deductive databases, correct and efficient integrity checking is a crucial issue, as, without any guarantee of data consistency, the answers...
Davide Martinenghi