About: http://webisa.webdatacommons.org/417148657

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	A special character such as a comma may be added to the end of the telephone number to indicate to the microprocessor 40 that a delay of several seconds should be allowed before dialing the number, essentially to obtain a dial tone.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk