About: http://webisa.webdatacommons.org/410177169

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	In-place modification is not a simple as it could be, the fastest solution in my mind is a quick formula in a new column, then copy that column to values (removing the formula) and replace the old column.
http://www.w3.org/ns/prov#wasQuotedFrom	superuser.com