About: http://webisa.webdatacommons.org/257363929

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	We could go so far, as having a convention that says that columns starting with some prefix, e.g. local_, is for the users own experiments, and is ignored by the perl-diff-patcher.
http://www.w3.org/ns/prov#wasQuotedFrom	slimdevices.com