About: http://webisa.webdatacommons.org/159373841

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	This invention relates to redeemable product discount coupons, and more particularly to systems for generating and redeeming product discount coupons over public computer networks such as the Internet.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com