About: http://webisa.webdatacommons.org/282227882

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	However, the Greeks relied mainly on the moon as their time-keeper and frequent adjustments to the calendar were necessary to keep it in phase with the moon and the seasons.
http://www.w3.org/ns/prov#wasQuotedFrom	st-andrews.ac.uk