About: http://webisa.webdatacommons.org/217423823

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	For example, by examining the intersection of the fields of electricity and magnetism, Maxwell discovered a broader theory that revealed that light was an electromagnetic wave and accurately predicted its speed.
http://www.w3.org/ns/prov#wasQuotedFrom	beliefnet.com