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etype2ttl.py
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etype2ttl.py
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import json
from rdflib import Graph, Namespace, OWL, Literal, URIRef, BNode, XSD, RDFS
from rdfalchemy import rdfSubject, rdfSingle, rdfMultiple
skos = Namespace("http://www.w3.org/2004/02/skos/core#")
class Concept(rdfSubject):
rdf_type = skos.Concept
prefLabel = rdfMultiple(skos.prefLabel)
broader = rdfMultiple(skos.broader)
narrower = rdfMultiple(skos.narrower)
relatedMatch = rdfMultiple(skos.relatedMatch)
def main(filepath, destination='data/etypes.ttl'):
g = rdfSubject.db = Graph()
with open(filepath) as infile:
data = json.load(infile)
for uri in data:
concept = Concept(URIRef(uri))
# Labels
prefLabels = []
for lang in data[uri]['prefLabel']:
prefLabels.append(Literal(data[uri]['prefLabel'][lang], lang=lang))
concept.prefLabel = prefLabels
# Broader / Narrower
broaders = []
for broader in data[uri]['broader']:
broaders.append(URIRef(broader))
concept.broader = broaders
# Matches
matches = []
for match in data[uri]['relatedMatch']:
matches.append(URIRef(match))
concept.relatedMatch = matches
g.bind('skos', skos)
g.serialize(destination=destination, format='turtle')
if __name__ == "__main__":
main(filepath='data/eventTypes.json', destination='ttl/etypes.ttl')