A set of SPARQL examples that are used in different SIB resources
Check there are no entries with glycosylation site annotations with evidence NOT from UniProt, neXtProt or GlyConnect
PREFIX : <http://nextprot.org/rdf/>
PREFIX cv: <http://nextprot.org/rdf/terminology/>
PREFIX source: <http://nextprot.org/rdf/source/>
select distinct ?entry ?src where {
?entry :isoform ?iso.
?iso :glycosylationSite /:evidence /:assignedBy ?src.
filter ( ?src not in (source:Uniprot, source:NextProt, source:GlyConnect))
}