About: http://webisa.webdatacommons.org/203128928

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	More specifically, the invention is a system used to aid blind or visually impaired bowlers to approach the foul line without going beyond it, and deliver the ball in a direction so as to knock over the most pins.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk