About: http://webisa.webdatacommons.org/242333692

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	Knowing this, you can discern that System is an object (technically it is a namespace, as discussed in Appendix A, The 10,000-Foot View, but for our purposes it behaves just like an object) because it appears before any of the dots.
http://www.w3.org/ns/prov#wasQuotedFrom	codeproject.com