#BASE <http://base.example/#>
PREFIX ex: <http://ex.example/#>
PREFIX foaf: <http://xmlns.com/foaf/>
PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>

<Issue1>
    ex:reportedBy   <User2> ;
    ex:reproducedBy <Thompson.J> ;
.

<User2>
    foaf:givenName "Bob" ;
    foaf:familyName "Smith" ;
    foaf:mbox <mail:bob@example.org> ;
    ex:representative <Thompson.J>
.

<Thompson.J>
    foaf:givenName "Joe", "Joseph" ;
    foaf:familyName "Thompson" ;
    foaf:phone <tel:+456> ;
    foaf:mbox <mail:joe@example.org>
.