About: http://webisa.webdatacommons.org/37488285

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	ntial beam and a circumferential scratch). [0137] The previous embodiments have described optical designs that compare a radial and a circumferentially oriented optical head to determine if a defect is a scratch or a particle.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com