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Re: many-to-many


shakespeare jpg
John Cowan wrote:

>>(a) have a built-in way to disambiguate between what the resource "is" 
>>and what it's "about"
>>(b) use different names.
>>
>>I prefer (b), and would encourage people to use something like 
>>http://www.heritage.org/Shakespeare for the person and the URI above for 
>>the picture.  
> 
> The trick with (b) is that you are then impaled on this dilemma:
> 
> (b1) Dereferencing "http://www.heritage.org/Shakespeare" returns something,
> (b2) Dereferencing "http://www.heritage.org/Shakespeare" returns nothing.
> 
> With (b1) you now have yet another document and have to bifurcate again;
> with (b2) you get a lot of surprised people who dereference an http: URL
> and get nothing, just like with namespaces.  Given this choice, I like
> (a) better.

I must be missing a circuit in my brain - lots of smart people worry a 
whole lot about this cluster of problems and they've just never affected 
me - maybe a function of the kind of application I write.  For example, 
neither (b1) nor (b2) give me heartburn.  If I have a resource that I 
claim represents Shakespeare (probably for the purpose of making 
statements about him) then if dereferencing returns something, it better 
plausibly be a representation of the late bard.  For example, it could 
be the content of the .jpg file.  If I claim that the URI 
.../Shakespeare.jpg identifies a picture of some particular person, then 
any representation should be of the picture.

This seems to be the same thing that Simon is talking about - I could 
write an RDF assertion along the lines of

   http://.../Shakespeare.jpg IsARepresentationOf http://.../Shakespeare

which seems perfectly sensible.

Anyhow, what would you propose for (a)?  -Tim


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