About: http://webisa.webdatacommons.org/15587801

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 message is from Time Machine - the application is looking for your connected backup, either by USB, Firewire, Thuderbolt, SD Card, Network, Wireless, or other source.
http://www.w3.org/ns/prov#wasQuotedFrom	fixyourthinking.com