<http://webisa.webdatacommons.org/prov/361999447>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/29294137> .
<http://webisa.webdatacommons.org/29294137>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/29294137>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<postgresql.org> .
<http://webisa.webdatacommons.org/29294137>	<http://www.w3.org/ns/prov#value>	"data types as do the operators included in the operator class," .