About: http://webisa.webdatacommons.org/220255483

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	Look at the back of any of your credit cards and it will say ???not valid unless signed.??? That means that the card is not valid, not acceptable as a form of payment, unless your signature is on the back.
http://www.w3.org/ns/prov#wasQuotedFrom	consumerist.com