About: http://webisa.webdatacommons.org/422684431

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	The security measures, the toughest ever imposed in Australia, include closing much of the city and erecting steel and concrete barriers around landmarks such as the Opera House.
http://www.w3.org/ns/prov#wasQuotedFrom	legitgov.org