About: http://webisa.webdatacommons.org/408309642

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	Even earlier, Peano [1891] had suggested the same idea: Then, if b is an N, by
http://www.w3.org/ns/prov#wasQuotedFrom	stanford.edu