领域本体支撑下知识地图生成方法研究

The Research of knowledge map generation based on Domain Ontology

随着在线教育的深入发展,网络学习平台上将承载越来越多的学习资源。领域本体支撑下的知识地图能够为网络平台知识导航和检索提供可视化界面,为学习者形成意义学习提供帮助。研究首先介绍了领域本体和知识地图在网络学习中应用研究现状;然后以一个学科为例,利用Protégé完成了领域本体的构建;接着根据设计的三个映射规则采用标签映射的方法将领域本体转换为知识地图数据表示形式;最后将知识地图嵌入到网页中以图形化方式呈现。通过验证表明借助论文中方法可以将领域本体转换成具有良好交互性、知识点关系丰富的知识地图。研究为网络学习中知识导航、学习路径规划等提供了一定的参考价值。

With the development of online education, E -learning platform will carry more and more learning resources. Knowledge map generated by domain ontology can provide visual interface for knowledge navigation and retrieval on E -learning platforms. It can also be helpful for learners＇ meaningful learning. Firstly, the application status of domain ontology and knowledge map are introduced. Secondly, the domain ontologies are constructed using Prot6g6. Then, aeeording to the three mapping rules designed in the thesis, the domain on- tologies are transformed into knowledge map data representation by the method of labelling mapping. Finally, the knowledge map is presented graphically through embedded it into web page. The results show that the do- main ontology can be transformed into a knowledge map with good interactivity and rich knowledge points. The research provides some reference value for knowledge navigation and learning path planning in E - learning platform.