About: http://webisa.webdatacommons.org/193443487

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	This is determined by the user inputting known DTMF digits according to emergency services, such as 911 call, 311 call and other services known to one of ordinary skill in the art.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com