Prefix rr: <http://www.w3.org/ns/r2rml#>
Prefix foaf: <http://xmlns.com/foaf/0.1/>
Prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
Prefix ex: <http://example.com/>
Prefix xsd: <http://www.w3.org/2001/XMLSchema#>
//@base <http://example.com/base/> .

Create View TriplesMap1 As
  Construct {
    ?s
      rdf:type foaf:Person ;
      ex:paid ?pia
  }
  With
    ?s = uri(concat("http://example.com/Patient", ?ID))
    ?pia = typedLiteral(?PaidInAdvance, xsd:boolean) 
  From
	Patient