About: http://webisa.webdatacommons.org/20222491

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	And you are right in thinking that this covers all the bases and ensures that the generic types are checked (so long as the variables are parameterised correctly).
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com