@prefix ex:<https://purl.expasy.org/sparql-examples/neXtProt/> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix schema: <https://schema.org/> .
@prefix sh: <http://www.w3.org/ns/shacl#> .
ex:NXQ_09643 a sh:SPARQLExecutable, sh:SPARQLSelectExecutable ;
  sh:prefixes _:sparql_examples_prefixes ;
  rdfs:comment '''Check there are no entries with a variant annotation with an xref starting with rs that do not have evidence from dbSNP or UniProt'''@en ;
  schema:keywords "QC", "variant", "xref" ;
  schema:target <https://sparql.nextprot.org/sparql> ;
  sh:select '''PREFIX : <http://nextprot.org/rdf/>
PREFIX cv: <http://nextprot.org/rdf/terminology/>
PREFIX source: <http://nextprot.org/rdf/source/>

select distinct ?entry where {
  ?entry :isoform /:variant /:evidence ?ev.
  ?ev :reference /:accession ?xref.
  filter (regex(?xref, "^rs"))
  ?ev :assignedBy ?src.
  filter ( ?src not in (source:dbSNP,source:Uniprot))
}''' .