Example SPARQL on Wikidata using the Linked Data Fragments platform

Created: 2015-01-23 20:51:40 Last updated: 2015-01-23 20:51:57

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This Bioclipse script (in Groovy) uses the Linked Data Fragments (ldf) manager that uses the LDF Java client library to run a SPARQL query on the LDF server wrapping Wikidata.

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Bioclipse Scripting Language

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Egon Willighagen

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Example SPARQL on Wikidata using the Linked Data Fragments platform

Created by Egon Willighagen on Friday 23 January 2015 20:51:39 (UTC)

Last edited by Egon Willighagen on Friday 23 January 2015 20:51:57 (UTC)

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Egon Willighagen

The Wikidata LDF end point has changed and so has the Wikidata RDF. The currently working code is:

wikidataldf = ldf.createStore("https://query.wikidata.org/bigdata/ldf")
sparql = """
PREFIX wdt: <http://www.wikidata.org/prop/direct/>
SELECT ?country ?iso WHERE {
?country wdt:P298 ?iso
}
"""
results = rdf.sparql(wikidataldf, sparql)

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