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Process model improvement is one of the most important challenges to deal with in the field of evolving process-aware information systems. In this paper, we present, PRV, an approach to process model refactoring supporting automatic process model improvement, which enables PAIS to adapt to the varying business requirements. First, a set of change operations preserving soundness is defined to avoid...
Service oriented computing provides a novel approach to building new software applications through the reuse of existing services. In this paper, we present SOARWare, a suite of middleware and tools, for software production and running based on Web services technologies. Basically, SOARWare consists of three major components including SOARBase, Service Oriented Software Production Line and Service...
The execution of process-oriented composite services described with BPMN has become a hot research topic. In this paper, we present a decentralized execution engine for BPMN-based composite services, the basic idea of which is to make a BPMN model directly executable without converting to another executable model. An executable BPMN model named BPD is first defined. Second, a set of algorithms are...
SOA has emerged as a new methodology for software development and system integration through composing existing web services. The basic idea of SOA bootstrap testing is to test and evaluate SOA middleware and applications by using existing SOA infrastructures. In this paper, we present a toolkit, named SOArMetrics, is proposed to enable the SOA bootstrap testing based on our existing SOA middleware,...
Composite service evolution is one of the most important challenges to deal with in the field of service composition. In particular, this paper presents, LiveMig, an approach to live migration of composite service instance, which is a critical step for online composite service evolution. In LiveMig, a set of change operations preserving soundness is first defined. Second, a live instance state migration...
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