About: http://webisa.webdatacommons.org/291926014

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	Lots more file formats are supported including more video and audio formats, a few more widgets, LaTeX and MathML math expressions and more templates to name just a few.
http://www.w3.org/ns/prov#wasQuotedFrom	udel.edu