About: http://webisa.webdatacommons.org/181883396

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	A system of the type described in claim including means for storing a given value; and means for decrementing said given value by a predetermined amount to obtain said reference value. 12.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com