About: http://webisa.webdatacommons.org/17402428

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	Given that you didn't have support for this stuff in the beginning, anybody doing any sort of numerics work either wrote their own custom stuff or used somebody else's.
http://www.w3.org/ns/prov#wasQuotedFrom	msdn.com