About: http://webisa.webdatacommons.org/19820225

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 was also kind of curious as to how Facebook or other sites put up a notification window, for certain areas saying it is currently undergoing maintenance.
http://www.w3.org/ns/prov#wasQuotedFrom	sitepoint.com