About: http://webisa.webdatacommons.org/19511204

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	You can also add images, charts, tables, hyperlinks, and a variety of widgets including HTML, Keynote presentations, 3D models and more.
http://www.w3.org/ns/prov#wasQuotedFrom	itwriting.com