> -----Original Message----- > From: W. Trevor King [mailto:[email protected]] > Sent: Monday, November 27, 2017 4:18 PM > To: Wheeler, David A <[email protected]> > Cc: Gary O'Neall <[email protected]>; [email protected]; spdx- > [email protected] > Subject: Re: [spdx-tech] Proposed topic for this week's tech call: Extend > license > expressions to include OR-MAYBE > > On Mon, Nov 27, 2017 at 08:49:08PM +0000, Wheeler, David A wrote: > > [email protected]: > > > - Do we agree the "OR-MAYBE" should be added? > > > > I agree… > > Philippe's recent points about weighted confidence (e.g. [1]) suggests that, > even > if we decide to support incomplete conclusions, an unweighted list of > alternatives may not be sufficient. In that case, we may want something like: > > binary-confidence-expression-operator = "AND" > confidence-expression = license-expression space "CONFIDENCE" space "0." > 1*DIGIT > confidence-list = confidence-expression *(space confidence-expression) > [space > license-expression] > / confidence-list space > binary-confidence-expression-operator space > confidence-list > / license-expression > [G.O.] My preference is for the "OR-MAYBE" approach just due to the simplicity. In the audit use case, it is difficult to assign a confidence that has any precision. The weighting would work for a tool where there is some algorithm that results in a weighting or confidence measure.
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