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We propose a system, called EVolution of Long-term Composed Services (Ev-LCS), to address the change management issues in long-term composed services (LCSs). An LCS is a dynamic collaboration between autonomous web services that collectively provide a value-added service. It has a long-term commitment to its users. We first present a formal model, which provides the grounding semantics to support...
Taking urban traffic trunk to control for the study, it points out a number of shortcomings of the present trunk control method and puts forward the method that for the urban routes traffic characteristics, in a certain period of time, the route cycle and the phase between each two intersections remains the same, while the split is real-time adjusted by certain intersection controller, web-based environment...
Log data is critical to applications and the management and analysis of log data is a hot research topic. Existing log managements are normally tightly integrated with applications themselves, which may lead to problems including performance, local storage efficiency, security and non realtime functionality. To solve these problems, we present a SaaS method which shifts writing log data from local...
In pervasive computing environment, Web services are widely adopted in dynamic business processes. When selecting service providers, quality of service (QoS) and security constraints should be considered simultaneously. However, most current research works about provider selection either focus on quality of service, or just take into account security constraints. In this paper, we propose an evaluation...
Along with information technology development, the collaborative design between enterprises will become the certain design pattern for the new generation of aerostatic product. In order to solve the difficult problem of knowledge sharing during collaborative design, it was proposed the knowledge sharing system framework based on web service technology. For solving the questions of description and...
The concepts and architecture of enterprise application integration (EAI) were overviewed. The key technologies, the state of the art, and the open problems were addressed in the perspectives of application integration, data integration and business process management. It was pointed out that the technologies of EAI should be standardized based on the some technologies such as Web services. Integrating...
Nowadays, there are a number of similar Web services over the Internet or intranet. They provide consumers with more choices according to their personalized QoS requirements. However, in current web service discovery and subscription, it takes consumers too much time on manual selection and cannot easily benefit from the wide QoS spectrum brought by the proliferating services. In this paper, we propose...
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