<div dir="ltr"><div><div><div>Yeah, you are right, i was talking about fact events.<br></div>It seemed to me that the use case described by Ejaz was in streaming context.<br></div></div></div><div class="gmail_extra"><br><br>
<div class="gmail_quote">On Thu, Feb 14, 2013 at 11:34 AM, Wolfgang Laun <span dir="ltr"><<a href="mailto:wolfgang.laun@gmail.com" target="_blank">wolfgang.laun@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div class="im">On 14/02/2013, Matteo Cusmai <<a href="mailto:cusmaimatteo@gmail.com">cusmaimatteo@gmail.com</a>> wrote:<br>
> The facts should be immutable, so you should remove them and insert again<br>
> when they change.<br>
> If your facts change often, you have to consider to use fusion where your<br>
> facts will be events.<br>
<br>
</div>This is a very restricted view of what facts and events should be and<br>
when to use what.<br>
<br>
Facts in WM don't have to be immutable - that's why there is update/modify.<br>
<br>
Frequent changes of facts don't necessitate Fusion.<br>
<br>
An event fact is almost always immutable, as a real-world event is.<br>
<span class="HOEnZb"><font color="#888888"><br>
-W<br>
</font></span><div class="HOEnZb"><div class="h5">_______________________________________________<br>
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