lustrate online prediction.-->



<h2><a name="water">Water network</h2>

Consider the following model
of a water purification plant, developed
by Finn V. Jensen, Uffe Kjærulff, Kristian G. Olesen, and Jan
Pedersen.
<!--
The clear nodes represent the hidden state of the system in
factored form, and the shaded nodes represent the observations in
factored form.
-->
<!--
(Click <a
href="http://www-nt.cs.berkeley.edu/home/nir/public_html/Repository/water.htm">here</a>
for more details on this model.
Following 