Re: A preferred *what*? (was Re: a preferred sameAs)

On 2015-03 -21, at 20:38, Simon Spero <sesuncedu@gmail.com> wrote:

> What is it that is being preferred?
> 
> 

An identifier.  A URI.
> Is it a name, preferred because it is in some way more pleasing?
> 
> Is it a locator, a description of a possible action, preferred because if performed it is more efficient, more reliable, more or secure or in some other way more effective?
> 
> Is it an identifier,  preferred because reasons?
> 
Example reasons

- the entity controls it so it is authentic

- it more stable than other URIs

> Who/What prefers it? The creator of the description?
> 

no

> What if there are many descriptions of the  same entity, each with a distinct IRI, each proclaiming to be preferred?
> 

Then if they are claims made by other entities they are wrong/false/misleading
If they are made by the same entity they are confused/outofdate/didireallyahvethatinmyfoaffile

> Are all preferred? Are none?
> 

There is only one on a good day
> [Is this the best of all possible worlds?
> 
No
> Does every farmer who owns a donkey beat it?
> 

No
> ]
> 
> Simon
> 
> On Mar 21, 2015 12:17 PM, "Melvin Carvalho" <melvincarvalho@gmail.com> wrote:
> 
> 
> On 21 March 2015 at 14:43, Tim Berners-Lee <timbl@w3.org> wrote:
> 
> There is a predicate I have used to indicate the URI preferred by the person or thing involved, for example me.  I used it a long time ago.  I don't know whether there are more recent equivalents. I have no idea how widely it is used if at all.  
> 
> http://www.w3.org/2000/10/swap/pim/contact#preferredURI
> 
> Thanks Tim, yes I've noticed this one in your profile before.
>  
> 
> It takes a string so that itself does not get caught up in the samAs smushing.  As you say, a little reification is necessary, but only that 
> 
> 	card:i    contact:preferredURI "https://www.w3.org/People/Berners-Lee/card#i" .
> 
> or for that matter
> 
> 	<https://www.w3.org/People/Berners-Lee/card#i> 
> 		contact:preferredURI
> 			"https://www.w3.org/People/Berners-Lee/card#i" .
> 
> The subject can be any node which is owl:sameAs the thing in question.  (Maybe one should also infer samAs from it).
> 
> However in the vocab:
> 
> "A string which is the URI a person, organization, etc, prefers that people use for them"
> 
> This seems to be limited in scope to people.  
> 
> What if the preferred URI is different to, or more general than a person?
>  
> 
> It would be interesting maybe to build into the rdflib.js  way of making it the preferred when many are smushed together -- rather than as currently the smallest in alphabetical order.
> 
> Tim
> 
> On 2015-03 -20, at 15:34, Melvin Carvalho <melvincarvalho@gmail.com> wrote:
> 
>> when you have a bunch of URIs that are "sameAs" each other
>> 
>> is there a generic way to indicate which one is preferred
>> 
>> let's say I have 3 user profiles, one on http, one on https and one that will be turned off in 6 months
>> 
>> can I indicate that my preferred was initially http, then my other provider, and then later https?
>> 
>> I suspect this will need some reification, is there any pattern for this?
> 
>