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Application of CORBA technology in LCIS
COM/CORBA interworking becomes more and more important with the development of DOC (Distributed Object Computing) technology. In this paper, using a Petri net, the COM/CORBA interworking model is described and analyzed, as a result, the limitations of the life cycle management mechanism in the model are found out. Finally the life cycle service is adopted and the COM/CORBA interworking model is improved
E-learning is a novel education pattern that serves to solve the contradiction between the large amount of social demands and the lack of educational resources. With the popularization of e-learning, various teaching software, tools and e-learning platforms have unceasingly appeared. It is a burning question how to integrate various heterogeneous application systems for e-learning into an organic e-learning system. In this paper, an Integrated Framework for E-learning systems (IFE), which characterizes the reliability, the flexibility and the platform-independence, is proposed. It solves the problems faced while integrating the heterogeneous e-learning systems, such as the heterogeneity, the interoperation and the scalability. The practical application and the testing results on the performance indicate that the design of IFE is in reason and the e-learning system based on IFE can satisfy the concurrency requirements in practice.
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