About: http://webisa.webdatacommons.org/369354330

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	Yes, but this does not detect if the file is an Excel in a binary way, right?
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com