[rules-users] Writing a rule to find a fact that has a minimum value

[Michael Anstis]

when
   $c : City( $p : population )
   not City( population < $p )
then
   // $c is the City with the smallest population

sent on the move

On 19 Dec 2012 15:22, "David R Robison" <drrobison at openroadsconsulting.com>
wrote:

> I want to write a rule that will select a fact that has the minimum
> value for an attribute. For example, find the city that has the minimum
> population. How would I write such a rule? David
>
> --
>
> David R Robison
> Open Roads Consulting, Inc.
> 103 Watson Road, Chesapeake, VA 23320
> phone: (757) 546-3401
> e-mail: drrobison at openroadsconsulting.com
> web: http://openroadsconsulting.com
> blog: http://therobe.blogspot.com
> book:
> http://www.xulonpress.com/bookstore/bookdetail.php?PB_ISBN=9781597816526
>
>
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