About: http://webisa.webdatacommons.org/344986433

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	It looks like most of that code is specifically built in that manner so that it can deal with / handle all the <canvas> stuff (to create the blend mode).
http://www.w3.org/ns/prov#wasQuotedFrom	sitepoint.com