About: http://webisa.webdatacommons.org/214244529

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	Well, it is easy to remember the X symbol and triangle symbol (mostly because it points up), but the circle and square are easy to mix up, especially as the symbols are almost the same colour.
http://www.w3.org/ns/prov#wasQuotedFrom	neogaf.com