<http://webisa.webdatacommons.org/prov/299094367>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/157049393> .
<http://webisa.webdatacommons.org/157049393>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<postgresql.org> .
<http://webisa.webdatacommons.org/157049393>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/157049393>	<http://www.w3.org/ns/prov#value>	"character(n), where n is a positive integer." .