About: http://webisa.webdatacommons.org/456270399

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	By the 1980s, one out of every four long distance phone calls was monitored by computer, mostly using keywords to alert a human operator if there might be something interesting going on.
http://www.w3.org/ns/prov#wasQuotedFrom	freerepublic.com