About: http://webisa.webdatacommons.org/229870369

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	That means they stop functioning after a period of time such as 30 days unless you buy them.
http://www.w3.org/ns/prov#wasQuotedFrom	johnlewisdirectory.com