About: http://webisa.webdatacommons.org/6481438

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	And if you sort by left, you get the order of the categories in the order they are presented, so you can just check left/right values to figure out if the element is a child, sibling, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	codingforums.com