Research data are valuable and ubiquitous. The permanent access to research data is a challenge for all stakeholders in the scientific community. The long-term preservation and the principle of open access to research data offer broad opportunities for the scientific community. More and more universities and research centres are starting to build research data repositories allowing permanent access to data sets in a trustworthy environment. Due to disciplinary requirements, the landscape of data repositories is very heterogeneous. Thus it is difficult for researchers, funding bodies, publishers and scholarly institutions to select appropriate repositories for storage and search of research data.

re3data.org is a global registry of research data repositories that covers research data repositories from different academic disciplines. It presents repositories for the permanent storage and access of data sets to researchers, funding bodies, publishers and scholarly institutions. re3data.org promotes a culture of sharing, increased access and better visibility of research data. The registry went live in autumn 2012 and is funded by the German Research Foundation (DFG).

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