Abstract
Purpose - Research in the area of technology-enhanced learning (TEL) throughout the last decade has largely focused on sharing and reusing educational resources and data. This effort has led to a fragmented landscape of competing metadata schemas, or interface mechanisms. More recently, semantic technologies were taken into account to improve interoperability. The Linked Data approach has emerged as the de facto standard for sharing data on the Web. To this end, it is obvious that the application of Linked Data principles offers a large potential to solve interoperability issues in the field of TEL. Design/methodology/approach - In this paper, we survey approaches aimed towards our vision of Linked Education, i.e. education which exploits educational Web data. This particularly considers the exploitation of the wealth of already existing TEL data on the Web by allowing its exposure as Linked Data and by taking into account automated enrichment and interlinking techniques to provide rich and well-interlinked data for the educational domain. Findings - So far Web-scale integration of educational resources is not facilitated, mainly due to the lack of take-up of shared principles, datasets and schemas. However, Linked Data principles increasingly are recognized by the TEL community. We provide a structured assessment and classification of existing challenges and approaches, serving as potential guideline for researchers and practitioners in the field. Originality/value - Being one of the first comprehensive surveys on the topic of Linked Data for education, the manuscript has the potential to become a widely recognised reference publication in the area.
Purpose - Research in the area of technology-enhanced learning (TEL) throughout the last decade has largely focused on sharing and reusing educational resources and data. This effort has led to a fragmented landscape of competing metadata schemas, or interface mechanisms. More recently, semantic technologies were taken into account to improve interoperability. The Linked Data approach has emerged as the de facto standard for sharing data on the Web. To this end, it is obvious that the application of Linked Data principles offers a large potential to solve interoperability issues in the field of TEL. Design/methodology/approach - In this paper, we survey approaches aimed towards our vision of Linked Education, i.e. education which exploits educational Web data. This particularly considers the exploitation of the wealth of already existing TEL data on the Web by allowing its exposure as Linked Data and by taking into account automated enrichment and interlinking techniques to provide rich and well-interlinked data for the educational domain. Findings - So far Web-scale integration of educational resources is not facilitated, mainly due to the lack of take-up of shared principles, datasets and schemas. However, Linked Data principles increasingly are recognized by the TEL community. We provide a structured assessment and classification of existing challenges and approaches, serving as potential guideline for researchers and practitioners in the field. Originality/value - Being one of the first comprehensive surveys on the topic of Linked Data for education, the manuscript has the potential to become a widely recognised reference publication in the area.
