<http://webisa.webdatacommons.org/19791640>	<http://www.w3.org/ns/prov#value>	"I was wondering if this problem is known and if yes, if there is a plan" .
<http://webisa.webdatacommons.org/19791640>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/250152275>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/19791640> .
<http://webisa.webdatacommons.org/19791640>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<postgresql.org> .