About: http://webisa.webdatacommons.org/411233868

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 list, specified in [RIF-DTB], includes such datatypes as integer, boolean, string, date, and datetime; as well as built-in predicates and functions that range over these datatypes.
http://www.w3.org/ns/prov#wasQuotedFrom	w3.org