About: http://webisa.webdatacommons.org/174382379

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	After you have selected a file from that array, use is_uploaded_file( ) to confirm that the file you are about to process is a legitimate file resulting from a user upload, then process it as you would other files on the system.
http://www.w3.org/ns/prov#wasQuotedFrom	oreilly.com