About: http://webisa.webdatacommons.org/423169870

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	While your list is a good start, Phil Bradley has an excellent, and extremely comprehensive, analysis [philb.com] of how to use different search engines to find different things.
http://www.w3.org/ns/prov#wasQuotedFrom	slashdot.org