<http://webisa.webdatacommons.org/175089385>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/175089385>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<postgresql.org> .
<http://webisa.webdatacommons.org/prov/165786209>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/175089385> .
<http://webisa.webdatacommons.org/175089385>	<http://www.w3.org/ns/prov#value>	"&gt;&gt; Yes, working out the math is a good idea." .