About: http://webisa.webdatacommons.org/254598171

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	Such a condition is evaluated as are other conditions, i.e., it evaluates to TRUE, FALSE, or NULL. In an embodiment, user-defined types for variables are allowed.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es