About: http://webisa.webdatacommons.org/158202917

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	An example of an intervening variable is voltage, which can be directly measured by a voltmeter.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com