type:: Negation

• [[Example]]

  • SELECT ?concept ?prefLabelURI ?prefLabel 
    
    WHERE {
        ?concept a skos:Concept;
        skosxl:prefLabel ?prefLabelURI .
    ?prefLabelURI skosxl:literalForm ?prefLabel .
        
    FILTER (LANG(?prefLabel) = "en")
    FILTER NOT EXISTS {?concept skosxl:altLabel ?altLabelURI}
    } 
    
    

    #Query #FILTER #LANG #SKOS-XL