About: http://webisa.webdatacommons.org/112790693

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	The behavior I want is for the browser to request /background.png normally if it is online, but to fall back to the cached version if the request fails because it is offline, the server is down, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com