About: http://webisa.webdatacommons.org/435730532

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	There is also support for milestones, including a date and other content, and the ability to pin a story to the top of the page for up to seven days.
http://www.w3.org/ns/prov#wasQuotedFrom	slashgear.com