About: http://webisa.webdatacommons.org/380306458

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	Dave Jacobs: There is an economic question of scale, certainly, such as the costs: can you plug into a tool that you own versus leveraging an exchange?
http://www.w3.org/ns/prov#wasQuotedFrom	adexchanger.com