About: http://webisa.webdatacommons.org/179732101

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	Also, there is a link to another thread that contains a very good discussion on string parsing.I can see two issues with your function.
http://www.w3.org/ns/prov#wasQuotedFrom	sqlservercentral.com