About: http://webisa.webdatacommons.org/316804937

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	I bought my set of 4 about 4-6 months ago and have not used them much except recently, as noted form the time/date stamp of this thread.The state of yours leads me more to believing they are based on Trizact.
http://www.w3.org/ns/prov#wasQuotedFrom	ballreviews.com