About: http://webisa.webdatacommons.org/69268863

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	Note that instead of subtraction and addition (illustrated in FIG. 8B), other operations such as division and multiplication can be used.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com