About: http://webisa.webdatacommons.org/204168463

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	This example is a tree structure formed from a top page 50-1 as a starting point, in which the top page 50-1 is a root node of the entire tree structure.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com