About: http://webisa.webdatacommons.org/238864090

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	I am guessing the problem is a naming conflict with id. i.e. the database thinks you want to insert the value of the id field into the id field.And you are right. it sure can get messy looking.Does this work?
http://www.w3.org/ns/prov#wasQuotedFrom	sitepoint.com