About: http://webisa.webdatacommons.org/278507149

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	Algebraic simplification: When expressions are factored, such as by eliminated useless add zero operations, or applying associative properties to simplify an expression, no Optimization Annotation is needed.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com