About: http://webisa.webdatacommons.org/384270412

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	The date chapter looks at how to use concepts such as Year To Date and Month To Date, working versus non-working days, moving averages, and all the other things that go wrong when trying to do date calculations.
http://www.w3.org/ns/prov#wasQuotedFrom	i-programmer.info