About: http://webisa.webdatacommons.org/243319301

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	In marketing, a coupon is a ticket or document that can be exchanged for a financial discount or rebate when purchasing a product.
http://www.w3.org/ns/prov#wasQuotedFrom	phys.org