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The proposed architecture of the Hungarian e-government framework, mandating the functional co-operation of independent organizations, puts special emphasis on interoperability. WS-*standards have been created to reach uniformity and interoperability in the common middleware tasks for Web services such as security, reliable messaging and transactions. These standards, however, while existing for some...
Service-oriented architecture (SOA) has become an increasingly popular mechanism for achieving business agility and reuse. However, organizations implementing SOA-based solutions are facing new implementation challenges related to validation and verification activities in an SOA environment, especially of runtime system quality attributes such as interoperability, security, reliability, and performance...
The potential benefits of business agility, flexibility, and reuse associated with SOA are well known today. However, these benefits do not come without a cost of their own, particularly regarding security. The primary goal to make Web services widely accessible can also make them vulnerable. This paper examines the key challenges for securing service-oriented environments and identifies the important...
As service-oriented architecture matures and more Web services become available, developers must test an ever-increasing volume of services. A framework that defines and evaluates test-case potency based on coverage relationships can reduce testing effort while maintaining testing's effectiveness.
Collecting data on user activities is one of the fundamental middleware services in Web-enabled systems. The collected data is analyzed and used by various high-level services, like user profiling, accounting, security auditing, and system health monitoring. In this paper, we present architecture and performance evaluation of usage tracking components for service-oriented middleware systems. Presented...
Current fashion systems to interconnect large software architectures are moving toward SOA based solutions. This new paradigm for designing system can be improved, in our opinion, by using semantics. Semantics can a play a main role in boosting interoperability thanks to current technologies to express knowledge and to describe semantic Web services (SWS). This paper tackles the provision of a Software...
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