About: http://webisa.webdatacommons.org/75816112

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	The presentation provides examples of all of these rules and what sort of errors are possible when they are not followed, and is well worth the 10 minutes it takes to review.
http://www.w3.org/ns/prov#wasQuotedFrom	lsvp.com