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

_:a rdf:type foaf:Person ;
    foaf:name "Eve" ;
    ex:empId "9"^^xsd:integer .
                
_:b rdf:type foaf:Person ;
    foaf:name "Alice" ;
    ex:empId "29"^^xsd:integer .
                
_:c rdf:type foaf:Person ;
    foaf:name "Fred" ;
    ex:empId "27"^^xsd:integer .

_:e foaf:name "Bob" ;
    ex:empId "23.0"^^xsd:float .