About: http://webisa.webdatacommons.org/313575792

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 would probably avoid any interpreted language such as VBScript et al for precisely the reasons you have specified - just not going to work as well in a scenario where performance is an issue.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com