About: http://webisa.webdatacommons.org/45107102

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	Downcasting is a great invention but the type checks involved have a great impact on execution performance, check the object types out of loops and recursive functions, and use the as" operator into them.
http://www.w3.org/ns/prov#wasQuotedFrom	codeproject.com