About: http://webisa.webdatacommons.org/11011839

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	True, polite discussions are harder to forcefully migrate, and actually you should not perform such actions unless it is the case (see also How do comments work?, there is a mention about when comments should be deleted).
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com