About: http://webisa.webdatacommons.org/318575122

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	Users can drag items to create custom stacks, then prioritize them according to senders, recipients, keywords or other factors.
http://www.w3.org/ns/prov#wasQuotedFrom	linuxinsider.com