Re: [xacml] [CR] Target Match Semantics Section 4 & 5. Forwardedmessage from Polar Humenn.

OK, I withdraw my quibble.  We might want to add words near this table to make it clear that the Condition need not be evaluated at all if the Target evaluates to False or Indeterminate.  Anne  On 19 September, Polar Humenn writes: Re: [xacml] [CR] Target Match Semantics Section 4 & 5. Forwarded  message from Polar Humenn.
>
From: Polar Humenn <>
>
To: Anne Anderson <>
>
Subject: Re: [xacml] [CR] Target Match Semantics Section 4 & 5. Forwarded
>  message from Polar Humenn.
>
Date: Thu, 19 Sep 2002 13:23:05 -0400 (EDT)  >
>
> Anne, "Not evaluated" isn't a value logically speaking.
> I could evaluate them in parrallel.  >
> Also, if I'm crafty, and my data model supports it, I might evaluate all
> the conditions before, for all possible targets, and just use indexes on
> the Target Matches to select the answers.  >
> The proper term would be "don't care", usually denoted by the circle with
> a slash thru it, but that equivalent to listing all possible values.  >
> Cheers,  > -Polar  >
> On Thu, 19 Sep 2002, Anne Anderson wrote:  >
>
> I think this table is still not correct.  If the target is  > > "False" or "Indeterminate", then the "Condition" is not even  >
> evaluated.  > >  >
> I suggest:  > >  >
>
Target
Condition
Rule  >
>
True
True
Effect  >
>
True
False
Not Applicable  >
>
True
Indeterminate
Indeterminate  >
>
False
[not evaluated]  Not Applicable  >
>
Indeterminate  [not evaluated]  Indeterminate  > >  >
> Anne  > >

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start of forwarded message

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>
>
From: Polar Humenn <>  >
>
To: XACML <>  >
>
Subject: Re: [xacml] [CR] Target Match Semantics Section 4 & 5  >
>
Date: Wed, 28 Aug 2002 17:48:05 -0400 (EDT)  > >  > > ....  > >  > >
> The rule truth table is shown in Table 1.  > > >  > >
> Target
Condition
Rule  > >
> True
True
Effect  > >
> True
False
Not Applicable  > >
> True
Indeterminate
Indeterminate  > >
> False
True
Not Applicable  > >
> False
False
Not Applicable  > >
> False
Indeterminate
Indeterminate  > >
^^^^^^^^^^^^  >
>
Not Applicable  > >
> Indeterminate  True
Indeterminate  > >
> Indeterminate  False
Indeterminate  > >
> Indeterminate  Indeterminate
Indeterminate  > > >  > >
> 	Table 1 - Rule truth table  > >  > >  > >  > >

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> >  > > --  >
> Anne H. Anderson
Email:   >
> Sun Microsystems Laboratories  >
> 1 Network Drive,UBUR02-311
Tel: 781/442-0928  >
>
Burlington, MA 01803-0902 USA
Fax: 781/442-1692  > >  > >  > >

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--
Anne H. Anderson
Email: 
Sun Microsystems Laboratories 1 Network Drive,UBUR02-311
Tel: 781/442-0928
Burlington, MA 01803-0902 USA
Fax: 781/442-1692