About: http://webisa.webdatacommons.org/279521848

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	For purposes of illustrating one embodiment of the VIA-LAYOUT functions, suppose there are two layers available in addition to previously described main layer of the printed circuit board, silicon wafer, or other substrate.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com