About: http://webisa.webdatacommons.org/254597350

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	But since a system is a model, we may assume we can define the system boundary.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com