About: http://webisa.webdatacommons.org/171609779

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	EDIT: There is a factor more at play at your multiplication step as @Jeppe Stig Nielsen said.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com