About: http://webisa.webdatacommons.org/346970645

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	Everything worked well because I tested the classes before adding some GUI components such as in SWING and AWT. However when I tried some input and press the submit button it gives me this error.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com