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sparql - Is querying the pagerank value on DBpedia no longer available?

Since the Virtuoso version is updated recently, when I try to use the query below on the public DBpedai SPARQL endpoint. The result is empty.

PREFIX rdf:<http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX dbo:<http://dbpedia.org/ontology/>
PREFIX vrank:<http://purl.org/voc/vrank#>

SELECT ?s ?v 
FROM <http://dbpedia.org> 
FROM <http://people.aifb.kit.edu/ath/#DBpedia_PageRank> 
WHERE {
?s rdf:type dbo:University.
?s vrank:hasRank/vrank:rankValue ?v.
}
ORDER BY DESC(?v) LIMIT 50

Thank you!

question from:https://stackoverflow.com/questions/65842135/is-querying-the-pagerank-value-on-dbpedia-no-longer-available

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