protected function execute(InputInterface $input, OutputInterface $output)
{
$relations = [];
$schemaOrg = new \EasyRdf_Graph();
$schemaOrg->load(TypesGeneratorConfiguration::SCHEMA_ORG_RDFA_URL, 'rdfa');
$relations[] = $schemaOrg;
$goodRelations = [new \SimpleXMLElement(TypesGeneratorConfiguration::GOOD_RELATIONS_OWL_URL, 0, true)];
$goodRelationsBridge = new GoodRelationsBridge($goodRelations);
$cardinalitiesExtractor = new CardinalitiesExtractor($relations, $goodRelationsBridge);
$result = $cardinalitiesExtractor->extract();
$output->writeln(json_encode($result, JSON_PRETTY_PRINT));
}