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TopConsiderable 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.