About: http://webisa.webdatacommons.org/314709822

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	Strobist.com is a good place to start - also, Joe McNally's The Moment it Clicks" may mold your thinking.
http://www.w3.org/ns/prov#wasQuotedFrom	dpreview.com