About: http://webisa.webdatacommons.org/29570785

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	In one embodiment, user devices 331 and 332 communicate information to system users, such as shippers and recipients, to notify them of event occurrences.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com