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FactGrid
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<p>FactGrid provides projects with historical research interests with a collectively organized <a href="/facts/Wikibase/4TALCMDh">Wikibase</a> graph database, allowing them to interconnect research data both on the platform and into external research repositories. Persistent identifiers for previously undocumented objects of research, the use of competing ontologies, the multilingual availability of data sets, and the long-term maintenance of the data sets, which remain collectively editable, are key features of the platform. </p><p>The platform was initiated by Olaf Simons in 2017/2018 in a cooperation between the Gotha Research Centre of the <a href="/facts/University_of_Erfurt/vBgypUDl">University of Erfurt</a> and <a href="/facts/Wikimedia_Germany/0tdyXotI">Wikimedia Germany</a>. It s currently (as of February 2024) supported by around 400 users in about 50 projects ranging from <a href="/facts/Assyriology/Qbcm4UyU">Assyriology</a> to <a href="/facts/Contemporary_History/d4pEP9Gm">Contemporary History</a>. The number of 1 million database items was passed on 13 October 2024. All services are free and - since March 2023 financed by the NFDI4Memory consortium of the German National Research Data Infrastructure (NFDI). The Historical Data Center of Saxony-Anhalt and the NFDI4Memory data connectivity team working there under Katrin Moeller are playing a key role in project support since April 2023. </p>