About: http://webisa.webdatacommons.org/149808830

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	I am thinking about an enhancement that would go and visit the product page at the remote site, make sure we do not get 403/404, and then parse for a phrase such as out of stock.
http://www.w3.org/ns/prov#wasQuotedFrom	drupal.org