About: http://webisa.webdatacommons.org/30110479

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 used to getting an error message on large data types on that one, from way back when.But the other points, about checking the validity of the object and using QuoteName(), definitely matter.
http://www.w3.org/ns/prov#wasQuotedFrom	sqlservercentral.com