PREFIX sty: <http://purl.bioontology.org/ontology/STY/>
PREFIX umls: <http://bioportal.bioontology.org/ontologies/umls/>
PREFIX skos: <http://www.w3.org/2004/02/skos/core#>
 
SELECT DISTINCT ?tui ?label
FROM NAMED <http://localhost:3030/umls/umls>
 
WHERE { GRAPH ?g {
    ?type skos:notation ?tui . 
    ?type skos:prefLabel ?label .
    }} ORDER BY ?tui