About: http://webisa.webdatacommons.org/212329122

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	I beleive your issue is mainly about filtering the discussion, and we already have a thread discussing this issue and I think we already have a suggestion registered in bugtracker to support this feature.
http://www.w3.org/ns/prov#wasQuotedFrom	qt.io