About: http://webisa.webdatacommons.org/437722379

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	It???s not difficult to see that you can use tags to build a general tree structure and all you need to represent it in a program is a class that has a collection of itself as a property.
http://www.w3.org/ns/prov#wasQuotedFrom	i-programmer.info