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[bioontology-support] Failing to filter with umls/cui in the bioportal sparql endpoint

Hong Sun hong.sun at agfa.com
Mon Jul 29 02:55:28 PDT 2013


Dear Manuel and all,

I found the bioportal SPARQL endpoint fails to filter on the property <
http://bioportal.bioontology.org/ontologies/umls/cui>

e.g. the query below can return result 

Query 1:

PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX snomed-term: <http://purl.bioontology.org/ontology/SNOMEDCT/>
PREFIX skos: <http://www.w3.org/2004/02/skos/core#>
SELECT *
FROM <http://bioportal.bioontology.org/ontologies/SNOMEDCT>
WHERE
{
    <http://purl.bioontology.org/ontology/SNOMEDCT/201794001> <
http://bioportal.bioontology.org/ontologies/umls/cui> ?o.
} limit 500

Result 1"
o
"C0994344" 

But when I filter with the returned CUI, no result return.
Query 2:

PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX snomed-term: <http://purl.bioontology.org/ontology/SNOMEDCT/>
PREFIX skos: <http://www.w3.org/2004/02/skos/core#>
SELECT *
FROM <http://bioportal.bioontology.org/ontologies/SNOMEDCT>
WHERE
{
    ?s <http://bioportal.bioontology.org/ontologies/umls/cui> "C0994344".
} limit 500

Result:
Null

Could you help to take a look? Thank you very much!

Best regards,
Hong
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