Wikidata - Revision history

Jukeboksi: #REDIRECT Knowledge graphs#Wikidata

2019-02-16T19:22:51Z

← Older revision		Revision as of 19:22, 16 February 2019
Line 1:		Line 1:
	~~'''~~[[w:Wikidata\|Wikidata]]''' [http://wikidata.org (.org)] is a [[w:knowledge base\|knowledge base]], an effort to store and serve structured data to [[Wikimedia]] wikis and to a more limited extent to other parties. Wikidata effort saw the daylight in [[2012]].		#REDIRECT [[Knowledge graphs#Wikidata]]

	~~The underlying software is the '''[[Wikibase]]''' which consists of 2 [[Mediawiki]] extensions, the repository extension and the client extension.~~

	~~Wikibase allows [[interwiki]] links to be managed with Wikidata removing much contributor annoyanges, redundancy and error-proneness.~~

	~~Wikidata is obviously a main source of [[reference]] level data once it is technically possible for non-WMF wikis to access the data items.~~

	~~It can be accessed outside of WMF wikis with with~~
	* [[wikidata:Wikidata:SPARQL_query_service/queries\|Wikidata advice on how to query]] [https://query.wikidata.org/ Wikidata's endpoint] using [[SPARQL]].
	* [[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]
	* [[wikidata:Wikidata:Database download\|Wikidata offers its database for download]]

	~~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>~~

	~~== Useful information ==~~

	* [[wikidata:Wikidata:Tools/External_tools\|Wikidata's list of external tools that make use of Wikidata's knowledge]]

	~~'''More info'''~~
	* [[m:Wikidata\|Metawiki on Wikidata]]
	* [[w:Wikipedia:Wikidata\|Wikipedia advice on Wikidata issues]]

	~~== 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~~

Jukeboksi at 19:22, 6 February 2018

2018-02-06T19:22:24Z

← Older revision		Revision as of 19:22, 6 February 2018
Line 1:		Line 1:
	* '''[[w:Wikidata\|Wikidata]]''' [http://wikidata.org (.org)] is a [[w:knowledge base\|knowledge base]], an effort to store and serve structured data to [[Wikimedia]] wikis and to a more limited extent to other parties. Wikidata effort saw the daylight in [[2012]].		'''[[w:Wikidata\|Wikidata]]''' [http://wikidata.org (.org)] is a [[w:knowledge base\|knowledge base]], an effort to store and serve structured data to [[Wikimedia]] wikis and to a more limited extent to other parties. Wikidata effort saw the daylight in [[2012]].

	The underlying software is the '''[[Wikibase]]''' which consists of 2 [[Mediawiki]] extensions, the repository extension and the client extension.		The underlying software is the '''[[Wikibase]]''' which consists of 2 [[Mediawiki]] extensions, the repository extension and the client extension.

Jukeboksi: + Wikidata's list of external tools that make use of Wikidata's knowledge + tweaks

2018-02-06T19:21:58Z

+ Wikidata's list of external tools that make use of Wikidata's knowledge + tweaks

← Older revision		Revision as of 19:21, 6 February 2018
Line 1:		Line 1:
	'''Wikidata''' [http://wikidata.org (.org)] is a [[w:knowledge base\|knowledge base]], an effort to store and serve structured data to [[Wikimedia]] wikis and to a more limited extent to other parties. Wikidata effort saw the daylight in [[2012]].		* '''[[w:Wikidata\|Wikidata]]''' [http://wikidata.org (.org)] is a [[w:knowledge base\|knowledge base]], an effort to store and serve structured data to [[Wikimedia]] wikis and to a more limited extent to other parties. Wikidata effort saw the daylight in [[2012]].

	The software ~~developed~~ is ~~known as~~ the '''[[Wikibase]]''' extension.		The underlying software is the '''[[Wikibase]]''' which consists of 2 [[Mediawiki]] extensions, the repository extension and the client extension.

	Wikibase allows [[interwiki]] links to be managed with Wikidata removing much contributor annoyanges, redundancy and error-proneness.		Wikibase allows [[interwiki]] links to be managed with Wikidata removing much contributor annoyanges, redundancy and error-proneness.
Line 24:		Line 24:

	“sitelinks”: by-language dictionary}</code>		“sitelinks”: by-language dictionary}</code>

			== Useful information ==

			* [[wikidata:Wikidata:Tools/External_tools\|Wikidata's list of external tools that make use of Wikidata's knowledge]]

	'''More info'''		'''More info'''
	* [[m:Wikidata\|Metawiki on Wikidata]]		* [[m:Wikidata\|Metawiki on Wikidata]]
	* [[w:Wikidata\|Wikipedia article on Wikidata]]
	* [[w:Wikipedia:Wikidata\|Wikipedia advice on Wikidata issues]]		* [[w:Wikipedia:Wikidata\|Wikipedia advice on Wikidata issues]]

Jukeboksi: using interwiki

2018-02-06T12:58:50Z

using interwiki

← Older revision		Revision as of 12:58, 6 February 2018
Line 8:		Line 8:

	It can be accessed outside of WMF wikis with with		It can be accessed outside of WMF wikis with with
	* [~~https~~:~~//www.wikidata.org/wiki/~~Wikidata:SPARQL_query_service/queries Wikidata advice on how to query] [https://query.wikidata.org/ Wikidata's endpoint] using [[SPARQL]].		* [[wikidata:Wikidata:SPARQL_query_service/queries\|Wikidata advice on how to query]] [https://query.wikidata.org/ Wikidata's endpoint] using [[SPARQL]].
	* [[mw:Wikidata Toolkit]] is a way for Java programs to access data in the Wikidata repository.		* [[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]		* [https://rdflib.github.io/sparqlwrapper/ SPARQL Endpoint interface to Python]

Jukeboksi: + Wikidata offers its database for download

2018-02-06T12:57:33Z

+ Wikidata offers its database for download

← Older revision		Revision as of 12:57, 6 February 2018
Line 11:		Line 11:
	* [[mw:Wikidata Toolkit]] is a way for Java programs to access data in the Wikidata repository.		* [[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]		* [https://rdflib.github.io/sparqlwrapper/ SPARQL Endpoint interface to Python]
			* [[wikidata:Wikidata:Database download\|Wikidata offers its database for download]]

	~~'''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:		Main entry point of any Wikidata item is a [[w:JSON\|JSON]] dictionary, that has this form:
Line 30:		Line 25:
	“sitelinks”: by-language dictionary}</code>		“sitelinks”: by-language dictionary}</code>

			'''More info'''
			* [[m:Wikidata\|Metawiki on Wikidata]]
			* [[w:Wikidata\|Wikipedia article on Wikidata]]
			* [[w:Wikipedia:Wikidata\|Wikipedia advice on Wikidata issues]]

	== See also ==		== See also ==

Jukeboksi: tweak info order

2018-02-06T11:49:53Z

tweak info order

← Older revision		Revision as of 11:49, 6 February 2018
Line 8:		Line 8:

	It can be accessed outside of WMF wikis with with		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/		* [https://www.wikidata.org/wiki/Wikidata:SPARQL_query_service/queries Wikidata advice on how to query] [https://query.wikidata.org/ Wikidata's endpoint] using [[SPARQL]].
	* [[mw:Wikidata Toolkit]] is a way for Java programs to access data in the Wikidata repository.		* [[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]		* [https://rdflib.github.io/sparqlwrapper/ SPARQL Endpoint interface to Python]

Jukeboksi: tweaks

2018-02-06T11:48:17Z

tweaks

← Older revision		Revision as of 11:48, 6 February 2018
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.		'''Wikidata''' [http://wikidata.org (.org)] is a [[w:knowledge base\|knowledge base]], an effort to store and serve structured data to [[Wikimedia]] wikis and to a more limited extent to other parties. Wikidata effort saw the daylight in [[2012]].

			The software developed is known as the '''[[Wikibase]]''' extension.

	Wikibase allows [[interwiki]] links to be managed with Wikidata removing much contributor annoyanges, redundancy and error-proneness.		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.		Wikidata is obviously a main source of [[reference]] level data once it is technically possible for non-WMF wikis to access the data items.

	It can be accessed outside of WMF wikis with with		It can be accessed outside of WMF wikis with with

Jukeboksi: Main entry point of any Wikidata item is a w:JSON| dictionary, that has this form: ....

2018-02-06T11:44:51Z

Main entry point of any Wikidata item is a w:JSON dictionary, that has this form: ....

@@ Line 15: / Line 15: @@
 * [[w:Wikidata|Wikipedia article on Wikidata]]
 * [[w:Wikipedia:Wikidata|Wikipedia advice on Wikidata issues]]
 == See also ==

Jukeboksi: + link to SPARQL Endpoint interface to Python

2018-02-03T15:29:52Z

+ link to SPARQL Endpoint interface to Python

← Older revision		Revision as of 15:29, 3 February 2018
Line 8:		Line 8:
	* [[SPARQL]] [https://www.wikidata.org/wiki/Wikidata:SPARQL_query_service/queries Wikidata advice on how to query their endpoint] https://query.wikidata.org/		* [[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.		* [[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]

Jukeboksi: + Wikidata SPARQL endpoint is provided by WMF

2018-02-03T14:39:44Z

+ Wikidata SPARQL endpoint is provided by WMF

← Older revision		Revision as of 14:39, 3 February 2018
Line 4:		Line 4:

	Obviously a main source of [[reference]] level data.		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.


	'''More info'''		'''More info'''
Line 9:		Line 14:
	* [[w:Wikidata\|Wikipedia article on Wikidata]]		* [[w:Wikidata\|Wikipedia article on Wikidata]]
	* [[w:Wikipedia:Wikidata\|Wikipedia advice on Wikidata issues]]		* [[w:Wikipedia:Wikidata\|Wikipedia advice on Wikidata issues]]

	~~== Useful resources ==~~
	* [[mw:Wikidata Toolkit]] is a way for Java programs to access data in the Wikidata repository.

	== See also ==		== See also ==