About: http://webisa.webdatacommons.org/412201722

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	The service, which works as either a Google Chrome extension or browser bookmarklet, is currently supported on major retailer???s sites, including Amazon, Walmart, Macy???s, and Target.
http://www.w3.org/ns/prov#wasQuotedFrom	ycombinator.com