A set of SPARQL examples that are used in different SIB resources
Check there are no entries with electrophysiological parameter annotations with evidence from neXtProt that is negative
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 :electrophysiologicalParameter /:evidence ?ev.
?ev :assignedBy source:NextProt.
?ev :negative 1.
}
graph TD
classDef projected fill:lightgreen;
classDef literal fill:orange;
classDef iri fill:yellow;
v1("?entry"):::projected
v3("?ev")
v2("?iso")
a1((" "))
c7(["1^^xsd:integer"]):::literal
c5([":source/NextProt"]):::iri
v1 --":isoform"--> v2
v2 --":electrophysiologicalParameter"--> a1
a1 --":evidence"--> v3
v3 --":assignedBy"--> c5
v3 --":negative"--> c7