About: http://webisa.webdatacommons.org/272860868

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 method as claimed in claim 9, wherein the groove is ??/6?? deep, where `??` indicates a wavelength of a reproducing laser and `??` indicates a refractive index of an optical disk, and the pits are ??/4n deep, where n is an integer.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com