Graph visualization

Warning: file_get_contents(https://yago-knowledge.org/sparql/query?query=PREFIX+rdf%3A+%3Chttp%3A%2F%2Fwww.w3.org%2F1999%2F02%2F22-rdf-syntax-ns%23%3E%0APREFIX+rdfs%3A+%3Chttp%3A%2F%2Fwww.w3.org%2F2000%2F01%2Frdf-schema%23%3E%0A%0ASELECT+%3Fs+%3Fp+%3Fo+%3Fcount+WHERE+%7B%0A+%7BSELECT+DISTINCT+%3Fs+%28rdfs%3AsubClassOf+AS+%3Fp%29+%3Fo+%28-1+AS+%3Fcount%29+WHERE+%7B%0A+++%3Chttp%3A%2F%2Fyago-knowledge.org%2Fresource%2FJabez_Lamar_Monroe_Curry%3E+rdf%3Atype+%3Fc+.%0A+++%3Fc+rdfs%3AsubClassOf%2A+%3Fs+.%0A+++%3Fs+rdfs%3AsubClassOf+%3Fo+.%0A+%7D%7D%0A+UNION%0A+%7BSELECT+%3Fs+%3Fp+%28SAMPLE%28%3Fo%29+AS+%3Fo%29+%28COUNT%28%3Fo%29+AS+%3Fcount%29+WHERE+%7B%0A+++BIND%28%3Chttp%3A%2F%2Fyago-knowledge.org%2Fresource%2FJabez_Lamar_Monroe_Curry%3E+AS+%3Fs%29%0A+++%3Fs+%3Fp+%3Fo+.%0A+++FILTER%28%3Fp+%21%3D+rdf%3Atype%29%0A+++FILTER%28%3Fp+%21%3D+rdfs%3AsubClassOf%29%0A+%7D+GROUP+BY+%3Fs+%3Fp+%7D%0A+UNION%0A+%7BSELECT+DISTINCT+%3Fs+%28rdfs%3AsubClassOf+AS+%3Fp%29+%3Fo+%28-2+AS+%3Fcount%29+WHERE+%7B%0A+++%3Chttp%3A%2F%2Fyago-knowledge in /home/yago/website/content/graph.php on line 20 Fatal error: Uncaught Exception: HTTP error for SPARQL query: PREFIX rdf: PREFIX rdfs: SELECT ?s ?p ?o ?count WHERE { {SELECT DISTINCT ?s (rdfs:subClassOf AS ?p) ?o (-1 AS ?count) WHERE { rdf:type ?c . ?c rdfs:subClassOf* ?s . ?s rdfs:subClassOf ?o . }} UNION {SELECT ?s ?p (SAMPLE(?o) AS ?o) (COUNT(?o) AS ?count) WHERE { BIND( AS ?s) ?s ?p ?o . FILTER(?p != rdf:type) FILTER(?p != rdfs:subClassOf) } GROUP BY ?s ?p } UNION {SELECT DISTINCT ?s (rdfs:subClassOf AS ?p) ?o (-2 AS ?count) WHERE { rdfs:subClassOf+ ?s . ?s rdfs:subClassOf ?o . }} } in /home/yago/website/content/graph.php:22 Stack trace: #0 /home/yago/website/content/graph.php(162): getSparqlQueryXmlDocument('PREFIX rdf: