Re: [orms] What I mean by "Rank"

[Nat Sakimura <n-sakimura@nri.co.jp>]

At the same time, I would like to point out that there needs to be some 
kind of comparability among the reputation. Otherwise, one of the goal 
for this spec., the portability and aggregatability will be lost. 
Representing it as a statistical value ("score") is one way to achieve 
these requirements.

"Stars" are visual representation of the "scores" as "grading". Or 
perhaps could be characterized as a projection of the score onto 
discrete points. In one extreme case, all the scores may be mapped to a 
point, e.g., [0,100]->"4 Stars". In such a case, just having "stars" are 
not terribly useful. So, at least, I think there SHOULD be "scores" 
available, whether it is shown to the users in a GUI or not.

=nat



(2010/04/22 3:04), Mani, Mahalingam (Mani) wrote:
> Agreed. It could be a slew of such representations.
>
> (Exploring how we can be flexible in having ORM systems or reputation
> servers make custom or standard representations that are user-friendly
> or are of consumer-interest is worth it).
>
> Regards,
> -mani
> -----Original Message-----
> From: Tatsuki Sakushima [mailto:tatsuki@nri.com]
> Sent: Wednesday, April 21, 2010 10:24 AM
> To: Mani, Mahalingam (Mani)
> Cc: Nat Sakimura; orms@lists.oasis-open.org
> Subject: Re: [orms] What I mean by "Rank"
>
> Some services that I examined don't use scores.
>
> Please see them in the RealLifeReputationExample Wiki page.
>
> http://wiki.oasis-open.org/orms/RealLifeReputationExamples
>
> Most of the services express the grades as "stars".
> This is typical to merchant sites including Amazon.
>
> I think we need to examine more common use cases
> to capture common denominator in features so that
> we can expect more adoptions.
>
> Tatsuki
>
> (4/21/10 9:25 AM), Mani, Mahalingam (Mani) wrote:
>    
>> One may also want to consider grading - (for example:
>> excellent/very-good/good/fair/bad) (although it seems to impose an
>> opinion of the reputation
>> System as to what score-range is qualifies for which grade; but it
>> serves to mitigate the relative volatility of rank).
>>
>> Thoughts?
>>
>> -mani
>> -----Original Message-----
>> From: Mani, Mahalingam (Mani) [mailto:mmani@avaya.com]
>> Sent: Wednesday, April 21, 2010 9:19 AM
>> To: Nat Sakimura; orms@lists.oasis-open.org
>> Subject: RE: [orms] What I mean by "Rank"
>>
>> Rank can become a volatile parameter that's hard to update quickly in
>> some contexts.
>> This can be an optional/conditional attribute as opposed to a
>>      
> mandatory,
>    
>> it seems to me.
>>
>> -mani
>> -----Original Message-----
>> From: sakimura@gmail.com [mailto:sakimura@gmail.com] On Behalf Of Nat
>> Sakimura
>> Sent: Wednesday, April 21, 2010 8:55 AM
>> To: orms@lists.oasis-open.org
>> Subject: [orms] What I mean by "Rank"
>>
>> What I mean by Rank is the ordinal ranking number of the subject in
>> the category.
>> For example, if there are 5 cameras with the following scores:
>>
>> Nikon 89
>> Canon 86
>> Panasonic 85
>> Pentax 82
>>
>> Then, Panasoni's Rank is "3".
>>
>>      
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-- 
Nat Sakimura

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