About: http://webisa.webdatacommons.org/431874296

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	An optical grating is a regular repeating structure such as, for example a pattern of lines, holes, rectangles, posts or other shapes.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com