About: http://webisa.webdatacommons.org/154197260

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	Or a custom exception type with an errorcode property? (This may get confusing with exception types like SqlException which have error codes mapping to SQL Server errors).
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com