About: http://webisa.webdatacommons.org/357967728

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	We will sometimes use capital letters such as A, B, C to denote complex numbers.
http://www.w3.org/ns/prov#wasQuotedFrom	xahlee.info