About: http://webisa.webdatacommons.org/100458736

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	That would be a good example to look at if you want to see how extensible the plugin framework is since the site showcases some good examples of custom forms, custom CSS, and some other things.
http://www.w3.org/ns/prov#wasQuotedFrom	butlerblog.com