NIEM Progression 5

Disclaimer: This tool was developed by Tom Carlson Consulting LLC. It was created from the official distribution of the data model. Tom Carlson Consulting LLC makes neither claim nor warranty that this tool provides an accurate representation of the NIEM data model. For official and authoritative representations, please visit the official NIEM release website.


A time period measured by a starting and ending point.

nc:DateRange holds other objects.

nc:DateRange can hold any of these following objects, starting with the most specific and becoming more generic as you move down the list:


A date on which something begins.

Holds other objects.


An end date.

Holds other objects.