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Alexander Pachanov; Catharina Münte; Julian Hirt; Dawid Pieper – Research Synthesis Methods, 2024
While geographic search filters exist, few of them are validated and there are currently none that focus on Germany. We aimed to develop and validate a highly sensitive geographic search filter for MEDLINE (PubMed) that identifies studies about Germany. First, using the relative recall method, we created a gold standard set of studies about…
Descriptors: Search Strategies, Information Retrieval, Online Searching, Web Sites
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Heinen, Richard; Kerres, Michael; Scharnberg, Gianna; Blees, Ingo; Rittberger, Marc – Journal of Interactive Media in Education, 2016
The paper describes the concept of a federated ecosystem for Open Educational Resources (OER) in the German education system. Here, a variety of OER repositories (ROER) (Muuß-Merholz & Schaumburg, 2014) and reference platforms have been established in the recent past. In order to develop this ecosystem, not only are metadata standards…
Descriptors: Reference Services, Educational Resources, Open Source Technology, Metadata