About: http://webisa.webdatacommons.org/79272137

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	y is a free variable and x is a bound variable (or dummy variable); consequently the value of this expression depends on the value of y, but there is nothing called x on which it could depend.
http://www.w3.org/ns/prov#wasQuotedFrom	fixedreference.org