About: http://webisa.webdatacommons.org/371509921

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	Civilizations have risen and fallen in successive waves some falling victim to invasion by newcomers, some to disease epidemics, and others to natural disasters such as earthquakes.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com