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Re: [ontolog-forum] URIs [was: Truth]

To: "'[ontolog-forum] '" <ontolog-forum@xxxxxxxxxxxxxxxx>
From: Steve Ray <steve.ray@xxxxxxxxxxxx>
Date: Thu, 12 Jul 2012 10:05:08 -0700
Message-id: <4fff03c5.09e4440a.0662.ffffd19d@xxxxxxxxxxxxx>
Kingsley,
        Here is an example where the URI also resolves to a URL:    (01)

http://www.omg.org/spec/UML/20110701/PrimitiveTypes.xmi#Boolean    (02)

However, my search is for an authoritative definition. Even in the example
above, Boolean, Integer, Real, String and UnlimitedNatural are simply
declared, but not rigorously defined. I'd like to be able to point to some
URI from my models where definitions are made.    (03)

- Steve    (04)

Steven R. Ray, Ph.D.
Distinguished Research Fellow
Carnegie Mellon University
NASA Research Park
Building 23 (MS 23-11)
P.O. Box 1
Moffett Field, CA 94305-0001
Email:    steve.ray@xxxxxxxxxx
Phone: (650) 587-3780
Cell:      (202) 316-6481
Skype: steverayconsulting    (05)



-----Original Message-----
From: ontolog-forum-bounces@xxxxxxxxxxxxxxxx
[mailto:ontolog-forum-bounces@xxxxxxxxxxxxxxxx] On Behalf Of Kingsley Idehen
Sent: Thursday, July 12, 2012 9:55 AM
To: ontolog-forum@xxxxxxxxxxxxxxxx
Subject: Re: [ontolog-forum] URIs [was: Truth]    (06)

On 7/12/12 12:48 PM, Steve Ray wrote:
> Matthew,
>       ISO standards aren't very good at providing URIs. I was hoping to 
> hear some specific recommendations, such as:
>
>       http://schema.omg.org/spec/UML/2.1/uml.xml:UnlimitedNatural
>       http://schema.omg.org/spec/UML/2.1/uml.xml:Boolean    (07)

Both of those URIs 404. Are they supposed to be de-referenced?    (08)

Kingsley
>   
>
> Steven R. Ray, Ph.D.
> Distinguished Research Fellow
> Carnegie Mellon University
> NASA Research Park
> Building 23 (MS 23-11)
> P.O. Box 1
> Moffett Field, CA 94305-0001
> Email:    steve.ray@xxxxxxxxxx
> Phone: (650) 587-3780
> Cell:      (202) 316-6481
> Skype: steverayconsulting
>
>
>
> -----Original Message-----
> From: Matthew West [mailto:dr.matthew.west@xxxxxxxxx]
> Sent: Thursday, July 12, 2012 9:14 AM
> To: steve.ray@xxxxxxxxxx; '[ontolog-forum] '
> Subject: RE: [ontolog-forum] URIs [was: Truth]
>
> Dear Ray,
> Probably ISO.
> Matthew
>
>> -----Original Message-----
>> From: ontolog-forum-bounces@xxxxxxxxxxxxxxxx [mailto:ontolog-forum- 
>> bounces@xxxxxxxxxxxxxxxx] On Behalf Of Steve Ray
>> Sent: 12 July 2012 17:05
>> To: '[ontolog-forum] '
>> Subject: Re: [ontolog-forum] URIs [was: Truth]
>>
>> Matthew,
>>      I completely agree with you, and would be interested to hear from
> this
>> group what they believe are authoritative URIs for common data types 
>> such
> as:
>> Float (or Real)
>> Integer
>> Boolean
>> String
>>
>> And then, thoughts on the same for measured quantities such as:
>>
>> AbsoluteDateTime
>> Duration
>> (I'll stop here for now)
>>
>> - Steve
>>
>>
>>
>> Steven R. Ray, Ph.D.
>> Distinguished Research Fellow
>> Carnegie Mellon University
>> NASA Research Park
>> Building 23 (MS 23-11)
>> P.O. Box 1
>> Moffett Field, CA 94305-0001
>> Email:    steve.ray@xxxxxxxxxx
>> Phone: (650) 587-3780
>> Cell:      (202) 316-6481
>> Skype: steverayconsulting
>>
>>
>> -----Original Message-----
>> From: ontolog-forum-bounces@xxxxxxxxxxxxxxxx
>> [mailto:ontolog-forum-bounces@xxxxxxxxxxxxxxxx] On Behalf Of Matthew 
>> West
>> Sent: Thursday, July 12, 2012 12:37 AM
>> To: doug@xxxxxxxxxx; '[ontolog-forum] '
>> Subject: Re: [ontolog-forum] URIs [was: Truth]
>>
>> Dear Doug,
>>
>> I think this is an important point.
>>
>> DF> The more that people reuse existing URIs instead of inventing 
>> DF> their own,
>> the
>>> more utility the massive tuple stores can provide.
>> MW: One of the things I try to promote is the idea of an 
>> authoritative
> source,
>> so not only are there relatively few URIs for the same thing, but 
>> there is
> a
>> natural preference for which one to use. So to cross threads, if we 
>> are looking for what URI to use to identify  Ferrari 458 Italia, the 
>> one
> Ferrari
>> uses should be preferred, because they are clearly the authoritative
> source.
>> MW: This has the corollary that authoritative sources have the
> responsibility
>> to create URIs for the things they are responsible for.
>>
>> Regards
>>
>> Matthew West
>> Information  Junction
>> Tel: +44 1489 880185
>> Mobile: +44 750 3385279
>> Skype: dr.matthew.west
>> matthew.west@xxxxxxxxxxxxxxxxxxxxxxxxx
>> http://www.informationjunction.co.uk/
>> http://www.matthew-west.org.uk/
>>
>> This email originates from Information Junction Ltd. Registered in 
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> and
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>> Registered office: 2 Brookside, Meadow Way, Letchworth Garden City, 
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>>
>>
>>
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>    (09)


--     (010)

Regards,    (011)

Kingsley Idehen 
Founder & CEO
OpenLink Software
Company Web: http://www.openlinksw.com
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