<http://papyri.info/hgv/20431/source> <http://xmlns.com/foaf/0.1/page> <http://papyri.info/ddbdp/p.oxy;4;731> .
<http://papyri.info/ddbdp/p.oxy;4;731/source> <http://xmlns.com/foaf/0.1/page> <http://papyri.info/ddbdp/p.oxy;4;731> .
<http://papyri.info/ddbdp/p.oxy;4;731> <http://xmlns.com/foaf/0.1/topic> <http://papyri.info/hgv/20431/source> .
<http://papyri.info/ddbdp/p.oxy;4;731> <http://xmlns.com/foaf/0.1/topic> <http://papyri.info/ddbdp/p.oxy;4;731/source> .