About: http://webisa.webdatacommons.org/249885840

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	Right, one of the reason you are now facing problems is you have got lek1 as a global variable and also a member variable in the Program class.
http://www.w3.org/ns/prov#wasQuotedFrom	dreamincode.net