About: http://webisa.webdatacommons.org/450346534

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	Figuring out what is an appropriate price of data relative to media is a challenge, too.
http://www.w3.org/ns/prov#wasQuotedFrom	adexchanger.com