About: http://webisa.webdatacommons.org/5239257

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	You need to examine any file that is uploaded to determine if it should be saved; you can examine characteristics such as the file name, size, and MIME type.
http://www.w3.org/ns/prov#wasQuotedFrom	slideshare.net