Good overview of the current state of learning resources metadata, focusing on IEEE learning Object Metadata (IEEE-LOM) and Dublin Core. The authors note that IEEE-LOM " is not based on an abstract model shared with other metadata schema, and does not align with base standards for semantic interoperability, such as RDF," which has led to a recent interoperability initiative. Dublin Core consists of the DCMI Abstract Model and DCMI Metadata Terms. While Dublin Core is widely used, "the more recent approaches based on the DC Abstract Model, DC Terms and the Singapore Framework, while guided by sound theoretical principals, are as yet unproven by mass implementation." Recent work includes integration with the Open Archives Initiative Protocol for Metadata Harvesting (OAI-PMH), mapping the IEEE LOM to the DCMI abstract model, and a Dublin Core educational profile. There's also a reference to ISO Metadata for Learning Resources (ISO-MLR) but no discussion of SCORM.
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