About: http://webisa.webdatacommons.org/272879781

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 person would need to have a directory or other information source that lists the mobile device telephone numbers for other people at the same event.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com