DBpedia
DBpedia (.org) is a community effort to extract structured information from Wikipedia and to make this information available on the Web. The datasets made by DBpedia can be queried with w:SPARQL language if MediaWiki/Extensions#LinkedWiki extension is installed on a mediawiki. This way lot of company information ( Founded in year, type of business entity etc. etc. ) can be fetched from datasets of infobox data on the 'pedia.
http://wiki.dbpedia.org/Datasets contains information on the available datasets such as Wikipedia infobox templates and categories
DBpedia datasets can be used in Consumium implementation wiki through the LinkedWiki extension
http://wiki.dbpedia.org/Ontology contains for example information about 169,000 organizations
Ontology classes useful in Consumium:
- Company ( 40.000+ instances )
- Non-ProfitOrganisation
- Food
Dbpedia infobox dataset contains information about 40,000 companies
http://dbpedia.org/sparql - contains ability to formulate SPARQL queries to query DBpedia's datasets
DBpedia Databus
- DBpedia wiki on the Databus - Alpha published in 2018
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).
- Wikidata and the underlying Wikibase extensions