About: http://webisa.webdatacommons.org/9436746

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	On the error you are getting: When you call ToString(Y) without referring to a variable, the compiler will look at the current context which in your case is a class which inherits by default from Object see this link for details.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com