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基于XML的网络课件标准体系及浏览处理研究

Research on the XML-based Network Courseware Standards System and Correlative Browser

【作者】 李毅

【导师】 杨善林;

【作者基本信息】 合肥工业大学 , 计算机应用技术, 2003, 硕士

【摘要】 随着信息网络技术的飞速发展,网络教学在教育领域发挥越来越重要的作用,并日益深刻地影响着教学内容、教学方法、教学模式的变革。网络教学需要大批高质量的教学课件。目前许多计算机工作者和教育工作者都在致力于课件的开发,但不同的课件使用不同的文档格式,之间无法进行交互和共享。造成这种混乱状况的原因首先在于缺乏一个统一的课件文档标准,其次在于缺乏对这个标准的强大的处理工具。 XML提供了统一课件的文档格式的一种方法,用其描述数据具有面向对象和跨平台等优点。目前,虽然国内外利用XML在建立课件标准方面已经做了大量工作,但基本停留在分析设计阶段,离实际可行还有一定距离,对某个标准(如IMS的课件包装规范)开发相应处理工具更是处于萌芽时期。本论文侧重于设计一种Web课件标准,并将符合此标准的数据文件进行处理,使之能在Web浏览器中显示。 本论文首先详细研究了国内外在课件标准上所做的工作及其成果,吸收和借鉴了其中一些成熟的标准如内容包装、元数据等,通过分析它们的数据结构介绍了它们在课件制作和发布中的具体使用方法,在此基础上新提出了有关课件页面内容的标准,并将之与XML进行绑定,从而构成了适用于XML网络课件制作和发布的一套完整体系的概念。随后,通过编程实现了符合此标准体系的XML课件在普通网页浏览器中的展示,并添加了相关的一些教学辅助功能如内容搜索等。

【Abstract】 With the rapid development of internet and information technology, distant education is taking a more important role in instruction area. It affects the traditional instruction in contents, methods and patterns. Large quantities of high-quality coursewares are needed in distant education. Now many educator commi t themselves to develop courseware. But different coursewares often have different format, so they can not share data with each other. The reason lies in lack of a series of uniform courseware standards and a powerful tool to handle courseware using these standards.XML offers a new way to uniform the format of courseware. The data wrote in XML have the advantage of Object-Orient and Cross-platform. Although now a lot of work on establishing courseware standard is done both at home and abroad, but there is still distant between these standards and practices. Tools aimed at certain standard are very lacking. This article emphasize particularly on designing a series of courseware standards, and making courseware according to these standards be able to be shown in normal Web browsers.This article first introduces foreign and civil researching oncourseware, expounds mature ones in details, then brings forward a new standard on page in courseware, and consequently presents a concept of courseware standards system. In the second main part we develop a browser to view coursewares following the standards mentioned above.

  • 【分类号】G434
  • 【被引频次】2
  • 【下载频次】167
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