PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This works by using the day (col A), the month (row 1) and the year (cell A1) to build a date string, then convert it to a real date (using the DATEVALUE function) and then determining if that date is a Saturday or Sunday (using the WEEKDAY function).
http://www.w3.org/ns/prov#wasQuotedFrom
  • superuser.com