def json_to_rdf(json_in: jsonasobj.JsonObj, schema_uri: str) -> Graph:
""" Use the jsonld processor to convert the json into an RDF graph
:param json_in:
:param schema_uri: the base URI of the schema file
:return: RDF graph
"""
json_in['@context'] = schema_uri + ('/' if schema_uri[-1] not in ['/', '#'] else '') + 'context.json'
normalized = jsonld.normalize(json_in._as_json_obj(), {'format': 'application/nquads', 'algorithm': 'URDNA2015'})
g = Graph()
g.parse(data=prefixes, format="turtle")
g.parse(data=normalized, format="turtle")
return g
