About: http://webisa.webdatacommons.org/393147502

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	Below, is an example of such an equation (Equation 4), in which E1, E2, and E3 are empirically or analytically determined constants:
http://www.w3.org/ns/prov#wasQuotedFrom	google.com