About: http://webisa.webdatacommons.org/54905036

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	These could be programmed such that the actual content would not be transferred to the user without some sort of challenge verifying they had viewed the ad.
http://www.w3.org/ns/prov#wasQuotedFrom	slashdot.org