About: http://webisa.webdatacommons.org/409512082

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	They were inspected to ensure that they were substantially free of bubbles and other defects that might interfere with the acquisition of valid optical measurements.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com