About: http://webisa.webdatacommons.org/442928005

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	Such mass recording systems are in widespread use, for example, in brokerage houses and police dispatch centers, such as 9-1-1 dispatch centers, where all incoming calls are recorded on reel-to-reel tape.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com