About: http://webisa.webdatacommons.org/69132726

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	You just have to alter the table and tell it to re-distribute the data (which is a cost to time, resources, and locks) but it is do-able.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com