About: http://webisa.webdatacommons.org/127355120

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	Rather than rolling your own, you could add features to another editor, such as GIMP, which is extendable through plugin and scripting APIs.
http://www.w3.org/ns/prov#wasQuotedFrom	perlmonks.org