About: http://webisa.webdatacommons.org/447815031

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	A method for facilitating transactions for advertisement space in an advertising exchange that federates participants including publishers and advertisers between at least two disparate advertising networks, comprising:
http://www.w3.org/ns/prov#wasQuotedFrom	google.com