About: http://webisa.webdatacommons.org/181915369

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	Could the approach via KNOWNCLASS(to define from which sample is a subject) be applied in such a situation?
http://www.w3.org/ns/prov#wasQuotedFrom	statmodel.com