About: http://webisa.webdatacommons.org/446923710

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	For example, when a primary power source associated with machine 10 is not running, electrical power may be provided to controllers 35 from a battery or other power source (e.g., fuel cell) associated with machine 10.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com