Abstract
This article discusses the area of ontologies and semantic web technologies
in E-Learning and compares the state of research in years 2004 and
2006. It considers the impact of ontologies on the web-based educational
systems (WBES). It then presents an ontology of the area of ontologies
for education along with a community web portal (O4E) driven by that
ontology. Finally, it presents a use case of semantic web technologies
as enabling technologies for building WBES: the case of TM4L. Topic
Maps for E-Learning (TM4L) is an authoring environment for building
ontology-aware standards-based repositories of learning materials
(objects).
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