About: http://webisa.webdatacommons.org/391494159

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	As all your methods do some sort of file handling, and the exceptions that could arise are checked exceptions, you are required to attempt to catch or throw a possible exception for all your methods.
http://www.w3.org/ns/prov#wasQuotedFrom	javaprogrammingforums.com