@prefix foaf:        <http://xmlns.com/foaf/0.1/> .
@prefix dc:          <http://purl.org/dc/elements/1.1/> .
@prefix xs:          <http://www.w3.org/2001/XMLSchema#> .

_:a  foaf:name       "Alice".

_:b  foaf:givenName  "Bob" .
_:b  dc:created      "2005-04-04T04:04:04Z"^^xs:dateTime .