About: http://webisa.webdatacommons.org/150016449

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	Also, mostly the machines are made by different vendors, so they do not have communication protocols to talk to one another, or to talk to a central dispatching control system.
http://www.w3.org/ns/prov#wasQuotedFrom	slashdot.org