Wikidata: Difference between revisions
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'''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 | '''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. | ||
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 | ||
Revision as of 11:48, 6 February 2018
Wikidata (.org) is a 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.
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
- SPARQL 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.
- SPARQL Endpoint interface to Python
More info
Main entry point of any Wikidata item is a JSON dictionary, that has this form:
{“labels”: by-language dictionary
“descriptions”: by-language dictionary
“aliases”: by-language dictionary
“claims”: list of property and values
“sitelinks”: by-language dictionary}
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