About: http://webisa.webdatacommons.org/452045228

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	FIG. 3 is a schematic illustration of a prior art ISDN network illustrating a plurality of intermediate transmission units in tandem between the network switch and the customer premises.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com