About: http://webisa.webdatacommons.org/382808560

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	In other words, a rational expression is an expression which may be constructed from the variables and the constants by using only the four operations of arithmetic.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org