Alberto Abian

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Learning objects repositories have grown and matured in the last years, being currently a cornerstone for open education. Several current systems are offering metadata openly through mainstream harvesting protocols or providing standardized query interfaces. Also, the use of standardized vocabularies or ontologies is becoming more common to provide a degree(More)
This paper discusses how Semantic Web technologies are being adopted, specialized, and put in practice in order to set up a technical infrastructure that will facilitate sharing and reusing of learning resources. The case study is a federation of learning repositories with learning resources on agricultural topics, which is being developed in the context of(More)
Learning Object Metadata Repositories (LOMRs) represent a key component in the architecture of e-learning systems, and open architectures as the Open Knowledge Initiative (OKI) already provide generic interfaces for them. Semantic LOMRs are a class of repositories in which metadata is expressed in reference to or as part of formal ontologies, aimed at(More)
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