About: http://webisa.webdatacommons.org/216167361

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 region 1022 between the walls 1010 and 1021 may be filled with air, or another dielectric material, such as a printed circuit board or the like.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com