About: http://webisa.webdatacommons.org/413307724

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	If there are no units defined, such as with the x and y attributes above, the initial co-ordinates system is used.
http://www.w3.org/ns/prov#wasQuotedFrom	w3.org