About: http://webisa.webdatacommons.org/150228168

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	Many calendar-based services support calendar subscriptions, including iCloud, Yahoo!, Google, and the iCal application in OS X. Subscribed calendars are read-only.
http://www.w3.org/ns/prov#wasQuotedFrom	manualslib.com