eather data from the Italian website <a href="http://www.ilmeteo.it/" rel="nofollow">ilMeteo.it</a></li>
<li>calendar information (week days and week-end days, holidays, etc.) from Milano Municipality and from the <a href="http://www.mozilla.org/projects/calendar/holidays.html" rel="nofollow">Mozilla Calendar project</a>.</li>
</ul>
<p>These are used in a batchtime workflow to predict the traffic situation over the next two ours and in a runtime workflow to respond to route-planning queries from users.</p