About: http://webisa.webdatacommons.org/244154652

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Mack I think you are dead on.They could filter just like we do and use the tools to see what is happening especially with Twitter.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com