About: http://webisa.webdatacommons.org/426823623

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	As a result, particularly in the reading/writing zone of the magnetic disc, a decreased center line average surface roughness (Ra) of an extent of 10 ??? or less has been eagerly desired.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com