About: http://webisa.webdatacommons.org/1216548

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	PSDs are well known in the art, and PSD 234 may be any of a variety of types, including a single diode Si PSD, CMOS photo-detector array, and the like.
http://www.w3.org/ns/prov#wasQuotedFrom	google.de