About: http://webisa.webdatacommons.org/233690323

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 embodiments described above are what are known as two port interferometers, that is to say one port or aperture is the input (infra-red or laser beam) and the other port is an output (infra-red or laser beam).
http://www.w3.org/ns/prov#wasQuotedFrom	google.com