About: http://webisa.webdatacommons.org/118388427

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	Those can be atomic types like string or int, and if not, you need to define composite types as classes.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com