About: http://webisa.webdatacommons.org/196180075

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 categories/sub-categories trick (with category tree) allows you to tag articles for their contribution to the subject matter, such as procedures, concepts, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	idratherbewriting.com