Unresolved prefixed name: rdfs:subClassOf in SPARQL query

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天涯浪人
天涯浪人 2020-12-21 03:40
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import java.         


        
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  •  我在风中等你
    2020-12-21 04:20

    String queryString ="SELECT ?ds ?o WHERE {?ds  rdfs:subClassOf ?o }";
    

    Should be

    String queryString ="PREFIX rdfs: 
    SELECT ?ds ?o WHERE {?ds  rdfs:subClassOf ?o }";  
    

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