The agility to collaborate in several business networks has become essential for the success of enterprises. The dynamic nature of collaborations and the autonomy of enterprises cr...
This paper presents a framework for representing and distributing access control policies in distributed heterogeneous systems. Access control polices follows the RBAC (Role Based...
The paper presents various transparency issues that have to be considered during development of object-oriented Grid applications based on virtual repositories. Higher-level transp...
Krzysztof Kaczmarski, Piotr Habela, Hanna Kozankie...
Understanding and maintenance of complex information spaces is often supported through visual interfaces. These interfaces must be highly flexible in order to adapt to both the u...
SQL extensions that allow queries to explicitly specify data quality requirements in terms of currency and consistency were proposed in an earlier paper. This paper develops a dat...