About: http://webisa.webdatacommons.org/337125587

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	Prior art clocks, however, generally do not provide any direct information to an observer, especially a child, as to whether it is daylight (rise time) or nighttime (sleep time).
http://www.w3.org/ns/prov#wasQuotedFrom	google.com