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Simulations preserve the knowledge of complex dynamic systems and consequently transfer the knowledge of the cohesions of it s elements to a specified target group. As the progress in information technology and therefore the dynamic e-business driven economy adapts even faster to the business demands, new ways to preserve this growing amount of kno...
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... this is a very dynamic process it forces to use an iterative and incremental software engineering process like the model-driven architecture (MDA) [22,32]. The server-sided domain independent simulation components in Figure 2 are as follows: Accounting (tracking any costs or transactions), Communication (between participants and client/server), SimulationParty (participants and simulation objects) and System (framework specific system tasks and process engine in the sense of specified workflows). The client-sided components communicate with the server via Simple Object Access Protocol (SOAP) [28] and offer a communication and simulation client framework. ...
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Citations
... Patterns represent platform and programming language independent solutions for design problems in a certain design context, which is an organizing means that facilitate rapid mapping from business requirements to infrastructure designs. Designers can make the application development processes more manageable by defining patterns [14,15]. ...
Service oriented software development has gained more and more importance in the area of e-business. Most researchers focus on the semantic description of Web services and automated composition but pay little attention to how to design Web services for supporting service reuse effectively, thus a substantial amount of modeling and programming is still required. In this paper, a pattern oriented service design method is presented by which all components of different abstraction levels are uniform in regard to their specifications and composition mechanism. Pattern oriented service design model provides a traceable and explicit link from business components to software components so that the top-down service reuse at design level is supported, and the service maintainer profits from the traceability because the impact of requirement or design modifications can be better assessed. The semantic information of component specification can support semantics based component reuse. The pattern oriented service design model can improve development productivity by offering a better chance of reuse through better modularity.
The key to develop maintainable and extensible e-business applications is adequate engineering method. For e-business engineering, no full-blown method currently exists. The development of e-business applications lacks high level software engineering abstractions. This paper presents a component oriented development approach to e-business applications that is strongly architecture-centric. The whole development process is centered on the various levels of granularity of components. The component oriented architecture provides a set of rules and structure for managing complexity which provides flexibility and a framework for reuse and integration of components to support e-business evolution. Architectural patterns are used to organize e-business plan and service model that facilitate mapping from business components to service components, which makes the development processes more manageable. The semantics based component specifications support semantics based service discovery and service composition.
In allusion to construct E-commerce condition based on the traditional technologies indicates some prominent problems; this paper brings forward middleware technology which is the kernel and key to the solution of the dynamic E-commerce system. Through analyzing J2EE architecture, MVC design pattern, the component technology of JSP, Servlet and EJB etc. A dynamic E-commerce system architecture is designed and a scheme of the bookstore dynamic E-commerce system instance is designed and implemented. Therefore, J2EE technology and MVC design pattern can simplify the software development, improve the software performance and quickly construct the dynamic E-commerce system of the good expansibility, maintainability.
Service-oriented system development is becoming a prominent software development paradigm. A lot of work has been focused on semantic Web and service integration. However, less work has been invested in how to support reconfiguration of the service oriented systems when they evolve dynamically. This paper applies architecture centric system design approach to design of the e-business systems and combines semantic Web technology with e-business modeling to semantically describe service oriented e-business model. Component specifications are attached with semantic information, and component dependencies are semantically defined. The e-business model facilitates semantics based service discovering and service composing, thus the e-business reconfiguration guided by business architecture can be conducted automatically when services are removed or modified.
