关键词:E-learning;个性化学习;本体;应用本体
Research and Application of Individual Learning System
Based on Applied Ontology
Abstract
With the rapid development of Internet and global requirement for life education, E-Learning which provides asynchronous education has been becoming an important application on Internet. E-Learning enables people from different place and at different time to learn efficiently.
However, in the traditional web-based instruction system, without the full consideration of user's requirements and individualities, the system self is centric,learners have to adapt to the system instead of adapted by the system. This kind of system doesn't carry out instructions according to people's learning rule, resulting in the poor interaction and bad learning efects. In order to resolve these problems, semantics is required to be expressed in a formal and unambiguous way. Metadata standard is the criterion proposed for unifying the description of resources, and Ontolgoy is the technology proposed for expressing semantics and realizing a certain extent of reusing and sharing. So, in this paper, metadata and Ontology are used to resolve these problems from the description and organization of learning resources, and semantic-based information retrieval. The main researches are focused as follows:
1,Personalized achievement. Through a personalized study the findings of the survey analysis , I primarily use learning strategies recommended mechanism,View resources records mechanisms, resources and quality evaluation mechanisms testing mechanism to achieve individualized learning.
2. Relevant metadata standards. In order to unify the description of learning resources, I study the relevant metadata standards that describe educational resources.
3. Ontology. In this paper, four kinds of ontologies are constructed: subject ontology,lore ontology, course ontology and resource ontology.
4. The navigation of learning resources. The method of classifying learning resources in terms of course ontology and resource ontology is proposed. The corresponding algorithm is introduced. The navigation provides an intuitionistic retrieval way for learners.