|
|
| (6 intermediate revisions by the same user not shown) |
| Line 1: |
Line 1: |
| '''Wikidata''' [http://wikidata.org (.org)] is an effort to store and serve structured data to [[Wikimedia]] wikis and to a more limited extent to other parties. Wikidata was started in [[2012]]. The software developed is known as the [[Wikibase]] extension.
| | #REDIRECT [[Knowledge graphs#Wikidata]] |
| | |
| Wikibase allows [[interwiki]] links to be managed with Wikidata removing much contributor annoyanges, redundancy and error-proneness.
| |
| | |
| Obviously a main source of [[reference]] level data.
| |
| | |
| It can be accessed outside of WMF wikis with with
| |
| * [[SPARQL]] [https://www.wikidata.org/wiki/Wikidata:SPARQL_query_service/queries Wikidata advice on how to query their endpoint] https://query.wikidata.org/
| |
| * [[mw:Wikidata Toolkit]] is a way for Java programs to access data in the Wikidata repository.
| |
| * [https://rdflib.github.io/sparqlwrapper/ SPARQL Endpoint interface to Python]
| |
| | |
| | |
| '''More info'''
| |
| * [[m:Wikidata|Metawiki on Wikidata]]
| |
| * [[w:Wikidata|Wikipedia article on Wikidata]]
| |
| * [[w:Wikipedia:Wikidata|Wikipedia advice on Wikidata issues]]
| |
| | |
| Main entry point of any Wikidata item is a [[w:JSON|JSON]] dictionary, that has this form:
| |
| | |
| <code>{“labels”: by-language dictionary
| |
| | |
| “descriptions”: by-language dictionary
| |
| | |
| “aliases”: by-language dictionary
| |
| | |
| “claims”: list of property and values
| |
| | |
| “sitelinks”: by-language dictionary}</code>
| |
| | |
|
| |
| | |
| == See also ==
| |
| * [[Database]] for a higher level view of what is going on with the databases
| |
| * [[Semantic MediaWiki]] is system for inputting and querying semantic data within the MediaWiki and it is implemented as extension(s).
| |
| * [[DBpedia]] the original structured data harvesting effort for the MediaWiki wikis
| |