About: http://webisa.webdatacommons.org/2158452

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	Not sure what your UDF does, but if performance is an issue you could create a computed column instead of using the UDF and use a persisted value for that column instead of calculating it every time.
http://www.w3.org/ns/prov#wasQuotedFrom	mssqltips.com