About: http://webisa.webdatacommons.org/406633933

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 invention is also useful in prepayment for goods and services such as pre-paid telephone or other communication cards and accounts.
http://www.w3.org/ns/prov#wasQuotedFrom	faqs.org