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E-learning-Oriented Software Architecture Design and Case Study

机译:面向电子学习的软件架构设计和案例研究

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Nowadays, E-learning system has been widely applied to practical teaching. It was favored by people for its characterized course arrangement and flexible learning schedule. However, the system does have some problems in the process of application such as the functions of single software are not diversified enough to satisfy the requirements in teaching completely. In order to cater more applications in the teaching process, it is necessary to integrate functions from different systems. But the difference in developing techniques and the inflexibility in design makes it difficult to implement. The major reason of these problems is the lack of fine software architecture. In this article, we build domain model and component model of E-learning system and components integration method on the basis of WebService. And we proposed an abstract framework of E-learning which could express the semantic relationship among components and realize high level reusable on the basis of informationized teaching mode. On this foundation, we form an E-learning oriented layering software architecture contain component library layer, application framework layer and application layer. Moreover, the system contains layer division multiplexing and was not built upon developing language and tools. Under the help of the software architecture, we could build characterized E-learning system flexibly like building blocks through framework selection, component assembling and replacement. In addition, we exemplify how to build concrete E-learning system on the basis of this software architecture.
机译:如今,电子学习系统已广泛应用于实践教学。它因其独特的课程安排和灵活的学习时间表而受到人们的青睐。但是,该系统在应用过程中确实存在一些问题,例如单个软件的功能不够多样化,无法完全满足教学要求。为了在教学过程中满足更多应用需求,有必要集成来自不同系统的功能。但是开发技术的差异和设计的灵活性使得难以实施。这些问题的主要原因是缺乏完善的软件体系结构。在本文中,我们基于WebService构建了电子学习系统的领域模型和组件模型以及组件集成方法。并提出了一种抽象的电子学习框架,可以在信息化教学模式的基础上,表达组件之间的语义关系,实现高层次的可重用性。在此基础上,我们形成了一个面向电子学习的分层软件体系结构,该体系结构包含组件库层,应用程序框架层和应用程序层。此外,该系统包含层分割多路复用,并且不是基于开发语言和工具构建的。在软件体系结构的帮助下,我们可以通过框架选择,组件组装和更换灵活地构建具有特色的电子学习系统,例如构建块。另外,我们以这种软件架构为例,说明了如何构建具体的电子学习系统。

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