About: http://webisa.webdatacommons.org/273532337

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	Examples of such events include mass calling events triggered by promotional or advertising campaigns, catastrophic events including natural disasters and acts of war, and denial of service attacks in packet-based networks.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com