About: http://webisa.webdatacommons.org/22229989

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	The same is true for 1/r^3 as regards B,C,D and A is an assumption.
http://www.w3.org/ns/prov#wasQuotedFrom	wattsupwiththat.com