About: http://webisa.webdatacommons.org/260972841

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 example, as shown in FIG. 2, the photo detector 34 may simply comprise a negative/positive photo detector wherein a center, or reference position, is a zero position.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com