Abstract

Digital educational resources have gained attention as the means for supporting educational activities in the context of Technology Enhanced Learning. A number of international initiatives have recently emerged and recognized the importance of sharing and reusing digital educational resources among educational communities worldwide. As a result, organizing, managing, offering, and accessing these resources over the Web have been key issues for both the research and the educational community. Within this framework, a popular way for describing digital educational resources is by using a formal and centrally agreed classification system, such as the IEEE Learning Objects Metadata (LOM). The emerging Web 2.0 applications have increased the amount of user-generated educational resources on the Web. As a result, the issue of socially tagging these resources, beyond predefined metadata schemas, has attracted both research and practical attention. In this book chapter, we discuss issues related to Social Tagging as a means for describing digital educational resources and we present the ASK Learning Objects Social Tagging 2.0 (ASK-LOST 2.0), a Web-based tool that can be used for social tagging digital educational resources in learning environments.

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