e", thereby creating
mixtures of models to capture periodic non-stationarities.
<p>
There are some cases where the size of the state space can change over
time, e.g., tracking a variable, but unknown, number of objects.
In this case, we need to change the model structure over time.
BNT does not support this.
<!--
, but see the following paper for a
discussion of some of the issues:
<ul>
<li> <a href="ftp://ftp.cs.monash.edu.au/pub/annn/smc.ps">
Dynamic belief networks for discrete monitoring</a>,
A. E. Nich