Significant efforts are currently being pursued by several countries and IT providers to deploy SOA (Service Oriented Architecture) designs of digital government systems that inte...
UN/CEFACT’s Modeling Methodology (UMM) is a UML profile for modeling global B2B choreographies. The basic building blocks of UMM are business transactions, which describe the e...
Birgit Hofreiter, Christian Huemer, Philipp Liegl,...
A basic function of all signatures, digital or not, is to express trust and authority, explicit or implied. This is especially the case with digital signatures used in certificates...
XML is becoming the universal format for data exchange between applications. Recently, the emergence of Web services as standard means of publishing and accessing data on the Web ...
Today business registries are regarded as means of finding services offered by a business partner. However, business registries might also serve as means of seaching inter-organiza...