About: http://webisa.webdatacommons.org/140249757

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 one embodiment, electronic couponing is implemented as a form of promotion, allowing customers to take advantage of special sales of certain items.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com