<http://webisa.webdatacommons.org/prov/162088146>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/34015436> .
<http://webisa.webdatacommons.org/34015436>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<postgresql.org> .
<http://webisa.webdatacommons.org/prov/305355269>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/34015436> .
<http://webisa.webdatacommons.org/34015436>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/34015436>	<http://www.w3.org/ns/prov#value>	"8.1, users and groups were distinct kinds of entities, but now" .