About: http://webisa.webdatacommons.org/357070544

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	Although all these systems are basically mechanical, they do require some sort of centralized control, which can usually be done through a computer network.
http://www.w3.org/ns/prov#wasQuotedFrom	techtarget.com