About: http://webisa.webdatacommons.org/102900270

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. 12 is a schematic showing a particular implementation of the optical switching portion, referred to as optical switch block 150 (or simply switch block 150), of an OSN having the states and functionality described above.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com