@prefix rr: <http://www.w3.org/ns/r2rml#> .
@prefix ex: <http://example.com/ns#> .
@prefix rrf: <http://kdeg.scss.tcd.ie/ns/rrf#>

<#TriplesMap1>
    rr:logicalTable [ rr:tableName "EMP" ];
    rr:subjectMap [
        rr:template "http://data.example.com/employee/{EMPNO}";
        rr:class ex:Employee;
    ];
    rr:predicateObjectMap [
        rr:predicate ex:name;
        rr:objectMap [ rr:column "ENAME" ];
    ];
    rr:predicateObjectMap [
        rr:predicate ex:test;
        rr:objectMap [
	        rrf:functionCall [
	 			rrf:function <#Concat> ;
	 			rrf:parameterBindings (
	 				[ rr:column "ENAME" ]
	 				[ rr:column "EMPNO" ]
	 			) ;
	 		] ; 
	 	]
    ]    
    .
    
<#Concat>
	rrf:functionName "concat" ;
	rrf:functionBody """
		function concat(var1, var2) {
		return var1 + " " + var2 ;
	}
	""" ;
.
	
<#a> rr:objectMap <#b> .
<#b> rr:column "ENAME" .