About: http://webisa.webdatacommons.org/18627951

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	expression is a polynomial in expanded form, the coefficients are evaluated:
http://www.w3.org/ns/prov#wasQuotedFrom	sympy.org