About: http://webisa.webdatacommons.org/322656176

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	These can be controlled by the first officer using a receiver controlled switch, I have a vague recollection that you may already have something but here is an example just in case:
http://www.w3.org/ns/prov#wasQuotedFrom	rcgroups.com