Enforcing rich policies in open environments will increasingly require the ability to dynamically identify external sources of information necessary to enforce different policies (...
In many Web service composition problems, information may be needed from Web services during the composition process. Existing research on Web service composition (WSC) procedures...
WS-SecurityPolicy is a declarative configuration language for driving web services security mechanisms. We describe a formal sefor WS-SecurityPolicy, and propose a more abstract ...
For the majority of front-end e-business systems, the assumption of a coherent and homogeneous set of interfaces is highly unrealistic. Problems start in the back-end, with system...
Giacomo Piccinelli, Wolfgang Emmerich, Christian Z...
Automation of Web service composition is one of the most interesting challenges facing the Semantic Web today. Since Web services have been enhanced with formal semantic descriptio...