About: http://webisa.webdatacommons.org/212582952

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	where are you creating these files? just try moving those files into your file system maybe there is a issue with your webserver.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com