About: http://webisa.webdatacommons.org/59664752

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	The sticking point seems to be the ## concatenation operation ie I can not convert anything other than 'obj' (supplied as an argument) so that the ## statement ends up as :
http://www.w3.org/ns/prov#wasQuotedFrom	linuxformat.co.uk