About: http://webisa.webdatacommons.org/383578442

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	This may be accomplished via a glass coating on the inside of the metal screw, or the use of a teflon screw coated on its external surface with an electrically conductive and biocompatible material such as gold.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com