<http://webisa.webdatacommons.org/prov/419143148>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/328589326> .
<http://webisa.webdatacommons.org/328589326>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<webpronews.com> .
<http://webisa.webdatacommons.org/328589326>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/328589326>	<http://www.w3.org/ns/prov#value>	"Some advertising can be difficult to measure such as a yellow page ad." .