About: http://webisa.webdatacommons.org/10691107

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	Have a system that allows you to basically instantly know on mouse-over when an item is an upgrade or not.
http://www.w3.org/ns/prov#wasQuotedFrom	diabloz.net