<http://webisa.webdatacommons.org/51749115>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<wordpress.com> .
<http://webisa.webdatacommons.org/prov/454710909>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/51749115> .
<http://webisa.webdatacommons.org/51749115>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/51749115>	<http://www.w3.org/ns/prov#value>	"Whether the benefit exceeds the costs is a difficult question." .