<http://webisa.webdatacommons.org/prov/72671487>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/442975347> .
<http://webisa.webdatacommons.org/prov/178521345>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/442975347> .
<http://webisa.webdatacommons.org/442975347>	<http://www.w3.org/ns/prov#value>	"Quora has elements of both Twitter and Wikipedia, not to mention Facebook, Digg, Yahoo Answers, and other existing sites." .
<http://webisa.webdatacommons.org/442975347>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/442975347>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<webpronews.com> .