<http://webisa.webdatacommons.org/prov/508668213>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/142197503> .
<http://webisa.webdatacommons.org/142197503>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<postgresql.org> .
<http://webisa.webdatacommons.org/142197503>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/142197503>	<http://www.w3.org/ns/prov#value>	"user_id is an int; they are both C locale." .