About: http://webisa.webdatacommons.org/291452292

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	For example, a bookmark folder is a container but it might or might not have children.
http://www.w3.org/ns/prov#wasQuotedFrom	mozilla.org