About: http://webisa.webdatacommons.org/78558178

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	I see what you mean, I too started with the original eight elements (light and shadow, too!) but after finding out that others such as gravity and plasma were canon, embracing those as well.
http://www.w3.org/ns/prov#wasQuotedFrom	mocpages.com