About: http://webisa.webdatacommons.org/5166909

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	Posted a reply to Feed With Invalid Mime Type - Feed Validates", on the site WordPress Support Forums:I really think it is something else other than caching.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.org