About: http://webisa.webdatacommons.org/223723264

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	Yes, which is why ad delivery systems pay content creators such as forums, web sites, and perhaps ebooks in the future for displaying an ad.
http://www.w3.org/ns/prov#wasQuotedFrom	mobileread.com