About: http://webisa.webdatacommons.org/82649882

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	For example, there is an error when you pass it a file 1kb in size, which means that the condition was true, and upload_file got to bork on a file.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com