About: http://webisa.webdatacommons.org/181888000

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	As you move your way down the list of these restrictions (which are not universal since slavery was a fact of life for a long time) you eventually hit other restrictions that are arguable.
http://www.w3.org/ns/prov#wasQuotedFrom	boingboing.net