About: http://webisa.webdatacommons.org/447197090

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	Other civilizations, including the Babylonian and the Maya, discovered one or other feature but failed to achieve the grand synthesis that gave us the modern system.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com