About: http://webisa.webdatacommons.org/171967046

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	This answer is the best for me since you described the comments and cite out the differences.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com