[email protected] wrote:
> On Mon, 20 Apr 2009 18:46:38 +0200, Doru Julian Bugariu <[email protected]>
>>> * required: (datatime) expiration date of the event
>> Why not starting time and duration?
> 
> Why would anyone be interested in when the event started?
> It's there, it will be there when you get there so it's
> to be used in the metric.

Most traffic congestion doesn't operate to an accurate timetable? 
Typically, you have observations of the congestion (at a known 
time), and an estimated (i.e. made up) duration.

For the few events which are predictable, you'd want to take 
advantage of that and broadcast the prediction. But without implying 
the event has already started.  Unless I'm missing something, you 
can't do that with just expiration date.  Just a thought.

Tom


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