@prefix rr: <http://www.w3.org/ns/r2rml#> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix ex: <http://example.com/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@base <http://example.com/base/> .

<TriplesMap1>
    a rr:TriplesMap;
    
    rr:logicalTable [ rr:tableName "\"IOUs\"" ];

    rr:subjectMap [ rr:template "{\"fname\"}_{\"lname\"}";
                    rr:class <IOUs>;
                    rr:termType rr:BlankNode; ];

    rr:predicateObjectMap
    [ 
      rr:predicate		<IOUs#fname> ; 
      rr:objectMap		[ rr:column "\"fname\""; ]
    ];

    rr:predicateObjectMap
    [ 
      rr:predicate		<IOUs#lname> ; 
      rr:objectMap		[ rr:column "\"lname\""; ]
    ];

    rr:predicateObjectMap
    [ 
      rr:predicate		<IOUs#amount> ; 
      rr:objectMap		[ rr:column "\"amount\""; ]
    ];
    .
