neXtProt/NXQ_09418

Check there are no entries whose gene is located on chromosome "unknown" for which the strand is NOT unknown

Use at

• https://sparql.nextprot.org/sparql

PREFIX : <http://nextprot.org/rdf/>
PREFIX cv: <http://nextprot.org/rdf/terminology/>
PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>

select distinct ?entry ?strand where {
  ?entry :gene  ?gene .
  ?gene :chromosome "unknown"^^xsd:string .
  ?gene :strand ?strand .
   filter (!regex (?strand, '0'))
}

graph TD
classDef projected fill:lightgreen;
classDef literal fill:orange;
classDef iri fill:yellow;
  v2("?entry"):::projected 
  v3("?gene")
  v1("?strand"):::projected 
  c4(["unknown"]):::literal 
  f0[["not regex(?strand,'0')"]]
  f0 --> v1
  v2 --":gene"-->  v3
  v3 --":chromosome"-->  c4
  v3 --":strand"-->  v1