Wikidata

Ссылки:

wikidata visualization repo. Tool example
more tools for visualize
sparql examples to wikidata
Wikidata client library for Python
more wikidata clients
Wikipedia is a Python library that makes it easy to access and parse data from Wikipedia
Wikidata Query Service
mediawiki
Semantic MediaWiki (SMW) is a free, open-source extension to MediaWiki – the wiki software that powers Wikipedia – that lets you store and query data within the wiki’s pages.

Wikidata prefixes

# list of prefixes for import
PREFIX bd: <http://www.bigdata.com/rdf#>
PREFIX cc: <http://creativecommons.org/ns#>
PREFIX dct: <http://purl.org/dc/terms/>
PREFIX geo: <http://www.opengis.net/ont/geosparql#>
PREFIX ontolex: <http://www.w3.org/ns/lemon/ontolex#>
PREFIX owl: <http://www.w3.org/2002/07/owl#>
PREFIX p: <http://www.wikidata.org/prop/>
PREFIX pq: <http://www.wikidata.org/prop/qualifier/>
PREFIX pqn: <http://www.wikidata.org/prop/qualifier/value-normalized/>
PREFIX pqv: <http://www.wikidata.org/prop/qualifier/value/>
PREFIX pr: <http://www.wikidata.org/prop/reference/>
PREFIX prn: <http://www.wikidata.org/prop/reference/value-normalized/>
PREFIX prov: <http://www.w3.org/ns/prov#>
PREFIX prv: <http://www.wikidata.org/prop/reference/value/>
PREFIX ps: <http://www.wikidata.org/prop/statement/>
PREFIX psn: <http://www.wikidata.org/prop/statement/value-normalized/>
PREFIX psv: <http://www.wikidata.org/prop/statement/value/>
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX schema: <http://schema.org/>
PREFIX skos: <http://www.w3.org/2004/02/skos/core#>
PREFIX wd: <http://www.wikidata.org/entity/>
PREFIX wdata: <http://www.wikidata.org/wiki/Special:EntityData/>
PREFIX wdno: <http://www.wikidata.org/prop/novalue/>
PREFIX wdref: <http://www.wikidata.org/reference/>
PREFIX wds: <http://www.wikidata.org/entity/statement/>
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wdtn: <http://www.wikidata.org/prop/direct-normalized/>
PREFIX wdv: <http://www.wikidata.org/value/>
PREFIX wikibase: <http://wikiba.se/ontology#>
PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>

Еще ссылки:

Additional tools: