About: http://webisa.webdatacommons.org/328666475

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	Complex numbers are a problem because they measure more than quantity.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com