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A Framework for Creating Semantically Adaptive Collaborative E-learning Environments

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Author(s): Marija Cubric | Vibha Tripathi

Journal: International Journal of Emerging Technologies in Learning
ISSN 1863-0383

Volume: 4;
Issue: 3;
Start page: 4;
Date: 2009;
Original page

Keywords: collaborative | e-learning | computer-assisted | assessment | caa | learning | ontologies | web | services

ABSTRACT
In this paper we present a framework that can be used to generate web-based, semantically adaptive, e-learning and computer-assisted assessment (CAA) tools for any given knowledge domain, based upon dynamic ontological modeling. We accomplish this by generating “learning ontologies” for a given knowledge domain. The generated learning ontologies are built upon our previous work on a domain “Glossary” ontology and augmented with additional conceptual relations from the WordNet 3.0 lexical database, using Text2Onto, an open source ontology extraction tool. The main novelty of this work is in “on the fly” generation of computer assisted assessments based on the underlying ontology and pre-defined question templates that are founded on the Bloom’s taxonomy of educational objectives. The main deployment scenario for the framework is a web-service providing collaborative e- learning and knowledge management capabilities to various learning communities. The framework can be extended to provide collection and exploitation of the users’ learning behaviour metrics, in order to further adapt the generated e-learning environment to the learners’ needs.
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Tango Rapperswil
Tango Rapperswil