About: http://webisa.webdatacommons.org/39225521

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 this probably explains the lengthy, and now largely meaningless, debates about whether systems were open or closed loop.
http://www.w3.org/ns/prov#wasQuotedFrom	imaging-resource.com