基于领域本体的课件模型毕业设计(论文).doc
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1、毕业设计(论文) 第26页HUNAN UNIVERSITY毕业设计(论文)设计论文题目:基于领域本体的课件模型学生姓名:学生学号:专业班级:学院名称:指导老师:学院院长:基于领域本体的课件模型 摘 要教育资源建设是教育信息化的基础,是需要长期建设与维护的系统工程。因为教育资源具有复杂性和多样性,目前世界上有很多标准化(学术)组织都在致力于教育资源标准化的研究。课件是教育资源的重要组成部分,构建可重用性高、互操作性好的标准化课件也是教育信息化中重要的一环。本文采用领域本体技术,将实际的课件资源结构与课程模型中的课程领域的概念和概念间的关系形成映射,并采用OWL本体描述语言结合LOM元数据标准对课
2、件的属性进行描述。本文引入学习对象的概念,将课件看作学习对象,尝试借助学习对象的特性来提高课件的重用性、互操作性。通过采用领域本体,学习对象等技术,从而得到可重用性高,互操作性好,便于共享的课件。本文设计了课程制作系统中 “学习对象检索”、“学习对象导入”两个组件,用以实现课件的检索和导入。学习对象检索组件依据学习对象元数据映射成的检索条件,在资源库中检索符合制作者或者学习者所需的课件。学习对象导入组件负责将课件导入资源库。关键字:课件;学习对象;LOM;领域本体;XMLA courseware model based on Domain OntologyAbstractAs the basi
3、s of E-learning, the construction of Educational resources is a systemic project which needs long-term construction and maintenance. Nowadays, many standardization organizations are working hard at the standardization of Educational resources because of their complexity and variety. Courseware is an
4、 important part of the teaching resource. Constructing standardized courseware which has good reusability and interoperability is important point of Education information.This paper apply the technology of domain ontology, mapping the courseware resources model into the relationship between concepts
5、 in the domain of courses in the course model, and using OWL ontology web language combination of LOM metadata standard attributes to describe the attribute of courseware. This paper introduce the concept of learning objects, treat courseware as a learning object, try to use the feature of learning
6、object to improve the reusability and interoperability of the courseware. Through the use of technology of domain ontology, technology of learning object, we can get high reusability, interoperability, and easily sharing courseware. This paper production system designed two components called “the se
7、arch of learning object” “the import of learning object” to achieve the search and import of courseware. “the search of learning object” components is on the basis of search conditions that learning object metadata map into. Learning objects, needed by producers or learners, should be find out from
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