About: http://webisa.webdatacommons.org/237047159

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 used herein, the term ???specimen??? generally refers to a transparent substrate such as glass, borosilicate glass, and fused silica having a layer of opaque material formed thereon.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com