About: http://webisa.webdatacommons.org/127714509

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	cawoodm11-Jun-08 6:20 Take a look at ex.InnerException.Message you may see the reason is a 401 for example:
http://www.w3.org/ns/prov#wasQuotedFrom	codeproject.com