About: http://webisa.webdatacommons.org/207676164

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	Accordingly, there is a need for an optical pointing device that is capable of detecting movement with an acceptable path error in both on-axis and off-axis directions.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk