A Semantic Based Approach for Knowledge Capitalization in Communities of Practice of E-Learning

A Semantic Based Approach for Knowledge Capitalization in Communities of Practice of E-Learning

Lamia Berkani, Azeddine Chikh
Copyright: © 2012 |Pages: 11
DOI: 10.4018/jksr.2012100101
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Communities of Practice of E-learning (CoPEs) are considered as a virtual framework for exchanging and sharing techno-pedagogic knowledge and know-how between actors of e-learning. However, after analyzing of knowledge management modalities in some CoPEs, the authors noticed that knowledge is often represented in a way that does not facilitate its access and reuse. Accordingly, this paper focuses on knowledge capitalization in CoPEs and proposes an ontology-based framework aiming to facilitate knowledge sharing and reuse. This framework is structured into three layers: (1) the ontology layer, (2) the semantic annotation layer, and (3) the asset layer. It provides respectively, a common vocabulary within a CoPE aiming to enable a shared understanding between its members, a semantic support to annotate its knowledge assets facilitating their retrieval and reuse, and a means of storage and indexing its different assets. The paper is illustrated with a case study related to a semantic adaptive wiki, a service proposed for a CoPE made up of a teaching staff in computer science at the USTHB University in Algeria.
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Considerable research has been conducted concerning KM and capitalization within CoPs. Numerous publications present KM practice/tool/technology frameworks through CoPs (De Liddo, Concilio, & Buckingham Shum, 2007; Guizzardi, Perini, & Dignum, 2003, 2004; Pettenati & Ranieri, 2006) and from both theoretical and empirical perspectives (Bourdon & Kimble, 2008; Correia, Paulos, & Mesquita, 2010). Moreover, a lot of works were proposed as parts of research projects such as Daele, Deschryver, Gorga, and Künzel (2007; Evangelou, Karacapilidis, & Tzagarakis, 2006; Evangelou, Karacapilidis, Gkotsis, Tzagarakis, & Karousos, 2006; Gkotsis, Evangelou, Karacapilidis, & Tzagarakis, 2006) carried out within the PALETTE European IST project (Le Dantec, 2006). In this former project, several services were proposed to support the KM and learning processes within CoPs. The proposed services rely on a semantic web-based approach using ontologies (Tifous, El Ghali, Dieng-Kuntz, Giboin, Evangelou, & Vidou, 2007), for annotating knowledge in order to facilitate its transfer and sharing.

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