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Getting and hosting your own copy of Wikidata

Authors: Fahl, Wolfgang; Holzheim, Tim; Westerinen, Andrea; Lange, Christoph; Decker, Stefan;

Getting and hosting your own copy of Wikidata

Abstract

Wikidata is a very large, crowd sourced, general knowledge graph that is backed by a worldwide community. Its original purpose was to link different versions of Wikipedia articles across multiple languages. Access to Wikidata is provided by the non-profit Wikimedia Foundation and recently also by Wikimedia Enterprise as a commercial service. The query access via the public Wikidata Query Service (WDQS) has limits that make larger queries with millions of results next to impossible, due to a one minute timeout restriction. Beyond addressing the timeout restriction, hosting a copy of Wikidata may be desirable in order to have a more reliable service, quicker response times, less user load, and better control over the infrastructure. It is not easy, but it is possible to get and host your own copy of Wikidata. The data and software needed to run a complete Wikidata instance are available as open source or accessible via free licenses. In this paper, we report on both successful and failed attempts to get and host your own copy of Wikidata, using different triple store servers. We share recommendations for the needed hardware and software, provide documented scripts to semi-automate the procedures, and document things to avoid.

Keywords

Wikidata, RDF Bulk Import, SPARQL

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citations
The total number of citations received by all articles of the researcher of interest.
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
views
OpenAIRE UsageCountsViews provided by UsageCounts
downloads
OpenAIRE UsageCountsDownloads provided by UsageCounts
4
Average
Average
Average
8
15
Green