About: http://webisa.webdatacommons.org/146422072

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	However--if you are seriously concerned about old files hanging around, backup all your files, then delete everything except the files in your root folder and your wp-content subfolder (or any other special custom files/folders).
http://www.w3.org/ns/prov#wasQuotedFrom	sitepoint.com