Apologies for cross-posting. The full release description including further statistics can be found on https://www.dbpedia.org/blog/snapshot-2021-09-release/ https://www.dbpedia.org/blog/snapshot-2021-09-release/.
We are pleased to announce immediate availability of a new edition of the free and publicly accessible SPARQL Query Service Endpoint and Linked Data Pages, for interacting with the new Snapshot Dataset.
News since DBpedia Snapshot 2021-06 https://www.dbpedia.org/blog/snapshot-2021-06-release/
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Release notes are now maintained in the Databus Collection (https://databus.dbpedia.org/dbpedia/collections/dbpedia-snapshot-2021-09 https://databus.dbpedia.org/dbpedia/collections/dbpedia-snapshot-2021-09)
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Image and Abstract Extractor was improved
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Work in progress: Smoothing the community issue reporting and fixing at Github (https://github.com/dbpedia/extraction-framework/issues/new/choose https://github.com/dbpedia/extraction-framework/issues/new/choose)
What is the “DBpedia Snapshot” Release?
Historically, this release has been associated with many names: "DBpedia Core", "EN DBpedia", and — most confusingly — just "DBpedia". In fact, it is a combination of —
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EN Wikipedia data— A small, but very useful, subset (~ 1 Billion triples or 14%) of the whole DBpedia extraction https://link.springer.com/chapter/10.1007/978-3-030-59833-4_1using theDBpedia Information Extraction Framework https://github.com/dbpedia/extraction-framework(DIEF), comprising structured information extracted from the English Wikipedia plus some enrichments from other Wikipedia language editions, notably multilingual abstracts in ar, ca, cs, de, el, eo, es, eu, fr, ga, id, it, ja, ko, nl, pl, pt, sv, uk, ru, zh.
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Links— 62 million community-contributed cross-references and owl:sameAs links to other linked data sets on the Linked Open Data (LOD) Cloud that allow to effectively find and retrieve further information from the largest, decentral, change-sensitive knowledge graph on earth that has formed around DBpedia since 2007.
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Community extensions— Community-contributed extensions such as additional ontologies and taxonomies.
Release Frequency & Schedule
Going forward, releases will be scheduled for the 15th of February, May, July, and October (with +/- 5 days tolerance), and are named using the same date convention as the Wikipedia Dumps that served as the basis for the release. An example of the release timeline is shown below:
September 6–8
Sep 8–20
Sep 20–Oct 10
Oct 10–20
Wikipedia dumps for June 1 become available on https://dumps.wikimedia.org/ https://dumps.wikimedia.org/
Download and extraction with DIEF
Post-processing and quality-control period
Linked Data and SPARQL endpoint deployment
Data Freshness
Given the timeline above, the EN Wikipediadata of DBpedia Snapshot has a lag of 1-4 months.
Further Information
Growth of DBpedia, breakdown of links by domain, download instructions and some tips on how to effectively work with DBpedia are published as part of this blog post: https://www.dbpedia.org/blog/snapshot-2021-09-release/ https://www.dbpedia.org/blog/snapshot-2021-09-release/
Stay tuned and stay safe!
With kind regards,
The DBpedia Association
wiki-research-l@lists.wikimedia.org