About: http://webisa.webdatacommons.org/30794915

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	However, detecting small (micron scale and submicron) inclusions in solid media, such as glass, has been a challenge.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com