About: http://webisa.webdatacommons.org/227273457

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	A system according to claim 4 further including an actuator means for positioning the point of focus of the objective lens means above selected data tracks on the data plane of the magneto-optical disk.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com