About: http://webisa.webdatacommons.org/338102111

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	This is only the case when x = y = a where x and y are coefficients and a is a value.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com