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

From: Anne Anderson <[email protected]>
To: [email protected]
Date: Thu, 19 Sep 2002 17:35:00 -0000

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 <[email protected]> > To: Anne Anderson <[email protected]> > 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 > > ------- start of forwarded message ------- > > From: Polar Humenn <[email protected]> > > To: XACML <[email protected]> > > 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 > > > > > > > > ---------------------------------------------------------------- > > To subscribe or unsubscribe from this elist use the subscription > > manager: < http://lists.oasis-open.org/ob/adm.pl > > > > > ------- end of forwarded message ------- > > > > -- > > Anne H. Anderson Email: [email protected] > > Sun Microsystems Laboratories > > 1 Network Drive,UBUR02-311 Tel: 781/442-0928 > > Burlington, MA 01803-0902 USA Fax: 781/442-1692 > > > > > > ---------------------------------------------------------------- > > To subscribe or unsubscribe from this elist use the subscription > > manager: < http://lists.oasis-open.org/ob/adm.pl > > > > > > ---------------------------------------------------------------- > To subscribe or unsubscribe from this elist use the subscription > manager: < http://lists.oasis-open.org/ob/adm.pl > > -- Anne H. Anderson Email: [email protected] Sun Microsystems Laboratories 1 Network Drive,UBUR02-311 Tel: 781/442-0928 Burlington, MA 01803-0902 USA Fax: 781/442-1692