About: http://webisa.webdatacommons.org/421330714

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	Any year evenly divisible by 400 is a leap year (e.g., 2000 was a leap year).
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com