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SACMAT
2003
ACM
15 years 11 months ago
PBDM: a flexible delegation model in RBAC
Role-based access control (RBAC) is recognized as an efficient access control model for large organizations. Most organizations have some business rules related to access control...
Xinwen Zhang, Sejong Oh, Ravi S. Sandhu
ICSE
2010
IEEE-ACM
15 years 11 months ago
LSdiff: a program differencing tool to identify systematic structural differences
Program differencing tools such as GNU diff identify individual differences but do not determine how those differences are related to each other. For example, an extract super...
Alex Loh, Miryung Kim
WISE
2000
Springer
15 years 11 months ago
Object-Oriented Mediator Queries to XML Data
The mediator/wrapper approach is used to integrate data from different databases and other data sources by introducing a middleware virtual database that provides high level abstr...
Hui Lin, Tore Risch, Timour Katchaounov
FSTTCS
1999
Springer
15 years 10 months ago
Hoare Logic for Mutual Recursion and Local Variables
We present a (the rst?) sound and relatively complete Hoare logic for a simple imperative programming language including mutually recursive procedures with call-by-value parameters...
David von Oheimb
GIS
1999
ACM
15 years 10 months ago
Spatial Data Integrity Constraints in Object Oriented Geographic Data Modeling
An important activity in the design of a particular database application consists in identifying the integrity constraints that must hold on the database, and that are used to det...
Karla A. V. Borges, Alberto H. F. Laender, Clodove...