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» The Expressive Rate of Constraints
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UML
2004
Springer
16 years 1 days ago
Applying Refactoring Techniques to UML/OCL Models
The Object Constraint Language (OCL) plays an important role in the elaboration of precise UML models. Although OCL was designed to be both formal and simple, UML/OCL models may be...
Alexandre L. Correa, Cláudia Maria Lima Wer...
230
Voted
EDOC
2003
IEEE
16 years 1 hour ago
Model Driven Security: Unification of Authorization Models for Fine-Grain Access Control
The research vision of the Unified Component Meta Model Framework (UniFrame) is to develop an infrastructure for components that enables a plug and play component environment wher...
Carol C. Burt, Barrett R. Bryant, Rajeev R. Raje, ...
ICALP
2010
Springer
15 years 11 months ago
Preprocessing of Min Ones Problems: A Dichotomy
Min Ones Constraint Satisfaction Problems, i.e., the task of finding a satisfying assignment with at most k true variables (Min Ones SAT(Γ)), can express a number of interesting ...
Stefan Kratsch, Magnus Wahlström
PODS
1999
ACM
95views Database» more  PODS 1999»
15 years 11 months ago
Minimal Data Upgrading to Prevent Inference and Association
Despite advances in recent years in the area of mandatory access control in database systems, today's information repositories remain vulnerable to inference and data associa...
Steven Dawson, Sabrina De Capitani di Vimercati, P...
160
Voted
KBSE
1998
IEEE
15 years 10 months ago
Identifying Pre-Conditions with the Z/EVES Theorem Prover
Starting from a graphical data model (a subset of the OMT object model), a skeleton of formal specification can be generated and completed to express several constraints and provi...
Yves Ledru