@prefix  foaf: <http://xmlns.com/foaf/0.1/> .
@prefix  rdf:  <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix  rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix  dc:   <http://purl.org/dc/elements/1.1/> .
@prefix  bio:  <http://purl.org/vocab/bio/0.1/> .
@prefix  xsd:  <http://www.w3.org/2001/XMLSchema#> .

<> rdf:type   foaf:PersonalProfileDocument ;
   dc:creator <mailto:alice@work.example.com> .

_:a  a             foaf:Person ;
     foaf:name     "Alice" ;
     foaf:mbox     <mailto:alice@work.example.com> ;
     foaf:mbox     <mailto:alice@home.example.org> ;
     foaf:knows    _:b ;
     bio:event     [ a bio:Birth; bio:date "1974-02-28"^^xsd:date ] .

_:b  a             foaf:Person ;
     foaf:name     "Bob" ;
     foaf:mbox     <mailto:bob@work.example.com> ;
     bio:event     [ a bio:Birth; bio:date "1973-01-02"^^xsd:date ] ;
     rdfs:seeAlso  <bobFoaf.rdf> ;
     rdf:type      foaf:Person .

<bobFoaf.rdf> rdf:type foaf:PersonalProfileDocument .

_:a  foaf:knows    _:c .
_:c  foaf:mbox  <mailto:eve@work.example.com> .