About: http://webisa.webdatacommons.org/319257644

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	Rules say for instance that ???first X???, where X is a day, sets the day of the current period to 0. ???next X??? is also a rules, and here is responsible for incrementing the month number.
http://www.w3.org/ns/prov#wasQuotedFrom	steckdenis.be