About: http://webisa.webdatacommons.org/255512170

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	Keep in mind, some of these campaigns were not CPA driven, like the one I mention above.Here are some live examples of searches that trigger these ads:Forum discussion at WebmasterWorld.
http://www.w3.org/ns/prov#wasQuotedFrom	seroundtable.com