About: http://webisa.webdatacommons.org/213800368

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	Below is a figure from my note An Extension of a Theorem of Barlotti that deals with this notion of addition.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com