About: http://webisa.webdatacommons.org/155833574

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	Abstract:Crowd safety is a major concern for those attending and managing mass gatherings, such as the annual Hajj or pilgrimage to Mecca (also called Makkah).
http://www.w3.org/ns/prov#wasQuotedFrom	nationalaffairs.com