About: http://webisa.webdatacommons.org/38928157

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 instrument may determine the bat speed of a player's swing, but in a preferred embodiment of the invention, the instrument is a hardware and software system that determines the optimum bat weight for each individual.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr