About: http://webisa.webdatacommons.org/150891347

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	It probably is coming from the data types you are using to call things -- ie if you are passing in the result of a textbox that might look like an integer but it actually is a string insofar as the CLR goes.
http://www.w3.org/ns/prov#wasQuotedFrom	sitepoint.com