String expression analysis conservatively approximates the possible string values generated by a program. We consider the validation of a context-free grammar obtained by the analy...
The inter-operability of multiple autonomous and heterogeneous data sources is an important issue in many applications such as mediation systems, datawarehouses, or web-based syst...
: This paper presents an authorization solution for resource management and control developing as a part of the China Education and Research Network (CERNET) to perform fine-graine...
The consolidation of the Web as one of the most important ways to share and spread information has given raise to a huge amount of information systems for this media. This is the r...
In this paper we propose a meta-modeling approach to adaptive knowledge management. It extends previous work by introducing an application-specific layer which allows to specify m...