About: http://webisa.webdatacommons.org/406162399

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	The inner conductor 640 and the outer conductor 642 of the coaxial feed 638 comprise a conductive material, such as a metal, while the slow wave plate 644 and the resonator plate 650 comprise a dielectric material.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com