@prefix dbo:	<http://dbpedia.org/ontology/> .
@prefix dbr:	<http://dbpedia.org/resource/> .
dbr:Einstein_tensor	dbo:wikiPageWikiLink	dbr:Index-free_notation .
@prefix owl:	<http://www.w3.org/2002/07/owl#> .
dbr:Index-free_notation	owl:sameAs	dbr:Index-free_notation .