About: http://webisa.webdatacommons.org/281960160

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	Lots; requiring that certain kinds of content be submitted only as self.posts is actually a pretty popular strategy for evening the playing field for other types of content.
http://www.w3.org/ns/prov#wasQuotedFrom	reddit.com