About: http://webisa.webdatacommons.org/449279614

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	# b**2 = a**2 - n and, if b is an integer, report factors a-b and a+b and halt. If any chain is False, or if all chains
http://www.w3.org/ns/prov#wasQuotedFrom	programmingpraxis.com