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Gap Detection in Web-Based Adaptive Educational Systems

, , , and . Advances in Web-Based Learning ICWL 2010, volume 6483 of Lecture Notes in Computer Science, page 111--120. Berlin, Heidelberg, Springer Berlin / Heidelberg, (2010)

Abstract

Content development for adaptive educational systems is known to be an error-prone task. Gaps can occur when the content is created, modified or when the context of its usage changes. This paper aims at improving the existing practises of learning content quality control in adaptive educational systems by automating the detection and management of gaps. Several categories of gaps are identified to account for structural, linguistic, and semantic inconsistencies in collections of learning content. An effective filtering mechanism has been implemented in order to separate the collected gap data into categories that are relevant for the current authoring context. An evaluation of the developed tool demonstrates its utility.

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