@prefix ex: <https://sparql.uniprot.org/.well-known/sparql-examples/> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix schema: <https://schema.org/> .
@prefix sh: <http://www.w3.org/ns/shacl#> .

ex:13 a sh:SPARQLAskExecutable,
        sh:SPARQLExecutable ;
    rdfs:comment "Was any UniProtKB entry integrated on the 9th of January 2013"@en ;
    sh:ask """PREFIX up: <http://purl.uniprot.org/core/>
PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>

ASK
WHERE
{
	?protein a up:Protein .
	?protein up:created '2013-01-09'^^xsd:date
}""" ;
    sh:prefixes _:sparql_examples_prefixes ;
    schema:keywords "entry history" , "date" ;
    schema:target <https://sparql.uniprot.org/sparql/> .