About: http://webisa.webdatacommons.org/455603632

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	However, the language, despite being purely graphical, has first-class computational strength, incorporating such notions as recursion, higher-order predicates, and user-defined types.
http://www.w3.org/ns/prov#wasQuotedFrom	drdobbs.com