About: http://webisa.webdatacommons.org/30815396

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, dielectric materials, such as TEOS???tetraethyl orthosilicate, BPSG???borophosphosilicate glass, PSG???phosphosilicate glass, and BSG???borosilicate glass, and the like, are generally porous.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au