About: http://webisa.webdatacommons.org/276686972

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 accuracy of such a clock depends on the intrinsic width of the transition, the frequency of the transition and the experimentalist's ability to minimize thermal fluctuations and other noise.
http://www.w3.org/ns/prov#wasQuotedFrom	physicsworld.com