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Re: Final Linked Data Glossary (was Re: def'n of resource?)

From: Sandro Hawke <sandro@w3.org>
Date: Thu, 23 May 2013 06:24:06 -0400
To: Marios Meimaris <m.meimaris@medialab.ntua.gr>,bernadette Hyland <bhyland@3roundstones.com>,public-gld-wg@w3.org
Message-ID: <4ac21616-6333-4340-8268-d74ac57a0f22@email.android.com>


Marios Meimaris <m.meimaris@medialab.ntua.gr> wrote:

>Hi Sandro, Bernadette, all,
>
>May I suggest
>
>*5. In your RDF, have some (or all) of the identifiers be links (URLs) 
>to useful external data sources.*
>

I believe Tim meant "all".  He certainly didn't want someone getting the fifth star just because one URI they used was dereferenceable.     

It's a bit strict, I know, but when I see data where a few urls aren't dereferenceable, I think, "that's not *quite* proper linked data".   I kind of think if 90% of the links work, it's 4.9 stars.

       - Sandro 

>Marios
>> *5: In your RDF, have the identifiers be links (URLs) to useful data 
>> sources*
>>
>> Okay?   Can we live with that?
>>
>>       -- Sandro
>>
>>
>>
>>  Bernadette Hyland <bhyland@3roundstones.com> wrote:
>>>> Hi,
>>>> Remaining feedback folded in especially in relation to definition
>of
>>>> "Resource", addition of "Web Resource" and fixing 5 star LOD
>>>> definition.  Also updated normative references in doc.
>>>>
>>>> Linked Data Glossary Draft 21-May 2013 [1] is ready for publication
>>>> once run through one last PubRules check.  (Last week the WG
>approved
>>>> to publish as a WG Note.)
>>>>
>>>> NB:  Editorial changes are to keep tone consistent with rest of the
>>>> document, however were not intended to alter the proposed meaning. 
>If
>>>> this unintentionally happened, please notify asap.  Reference to
>RFC
>>>> 3986 was made elsewhere so I dropped from below proposal so as to
>not
>>>> sound repetitive.
>>>>
>>>> Again, we're striving for simplicity and for this to be a glossary
>of
>>>> terms for Web developers, not the anointed per se.
>>>>
>>>> All OK now per your feedback??
>>>>
>>>> -----%<-------
>>>> 90. Resource
>>>>
>>>> In an RDF context, a resource can be anything that an RDF graph
>>>> describes. A resource can be addressed by a Unified Resource
>Identifier
>>>> (URI). See also Resource Description Framework (RDF) 1.1 Concepts
>and
>>>> Abstract Syntax [RDF11-CONCEPTS]
>>>>
>>>>
>>>> 127. Web Resource
>>>>
>>>> A web page addressed by a URL. Examples include: an HTML web page,
>an
>>>> image offered by a web server, or a dataset accessible by a URL. A
>Web
>>>> Resource may have different representations. For example, an RDF
>>>> database might be accessed at a single URL using multiple syntaxes,
>>>> such as RDFa, JSON-LD, and Turtle. See also Hypertext Transfer
>Protocol
>>>> HTTP/1.1 [RFC2616].
>>>>
>>>>
>>>> Cheers,
>>>> Bernadette Hyland
>>>>
>>>> [1]https://dvcs.w3.org/hg/gld/raw-file/default/glossary/index.html
>>>>
>>>>
>>>> On May 8, 2013, at 5:48 AM, Dave
>Reynolds<Dave.e.Reynolds@gmail.com>
>>>> wrote:
>>>>
>>>>> On 08/05/13 05:39, Bernadette Hyland wrote:
>>>>>> Hi Sandro,
>>>>>> The editors have folded in all comments received in relation to
>the
>>>> LD
>>>>>> Glossary.  Please see latest version. [1]
>>>>>>
>>>>>> For Thursday's telecon, would you create a diff previously
>approved
>>>> for
>>>>>> publication (April) & the May 7th (current).  Also, need a new
>>>>>> Overview.html file run through PubRules.  I'm done until we get
>>>> further
>>>>>> feedback.  Thanks for your help on this.
>>>>>> ---
>>>>>>
>>>>>> Regarding "Resource", I've simplified to include only one
>>>> definition.
>>>>>>   In keeping with my new mantra, "keep it simple", how does this
>this
>>>>>> sit with you & others?
>>>>> Personally I prefer Sandro's suggestion. I imagine that at least
>some
>>>> people reading the glossary will be aware of the notion of REST and
>>>> might expect something more like the entry for Web Resource. Having
>>>> both solves that problem.
>>>>> However, it's not something I would argue strongly over.
>>>>>
>>>>> Dave
>>>>>
>>>>>>     89. Resource
>>>>>>
>>>>>> In an RDF context, a resource can be anything that an RDF graph
>>>>>> describes. A resource can be addressed by a Unified Resource
>>>> Identifier
>>>>>> (URI)
>>>>>>
>>>>
><https://dvcs.w3.org/hg/gld/raw-file/default/glossary/index.html#uniform-resource-identifier>.
>>>>>>
>>>>>> Keep in mind that this LD Glossary is a starting point for those
>new
>>>> to
>>>>>> Linked Data.  We don't want to scare people, it is the 'welcome
>>>> basket'
>>>>>> not the definitive guide for the working LD expert (which is
>found
>>>>>> elsewhere on the W3C site).
>>>>>>
>>>>>> Cheers,
>>>>>> Bernadette
>>>>>>
>>>>>>
>[1]https://dvcs.w3.org/hg/gld/raw-file/default/glossary/index.html
>>>>>>
>>>>>> Sandro wrote:
>>>>>>> I've thought about more than most people have thought about food
>>>>>> PS.  Clearly you haven't met my 15 year old son who pretty much
>only
>>>>>> thinks about food ;-)
>>>>>>
>>>>>>
>>>>>> On May 7, 2013, at 7:15 PM, Sandro Hawke <sandro@w3.org
>>>>>> <mailto:sandro@w3.org>> wrote:
>>>>>>
>>>>>>> def'n of resource?
>>>>>>> Bernadette and I were working on actually publishing the
>Glossary,
>>>>>>> which the group approved for publication, and I noticed a little
>>>> problem:
>>>>>>>         86. Resource
>>>>>>>
>>>>>>>     A resource is anything that can be addressed by a Unified
>>>> Resource
>>>>>>>     Identifier (URI)
>>>>>>>    
>>>>
><file:///home/sandro/Repos/gld/glossary/diff.html#uniform-resource-identifiers>.
>>>>>>>     ...
>>>>>>>
>>>>>>>
>>>>>>>         93. Resource
>>>>>>>
>>>>>>>     A resource is a network data object or service that can be
>>>>>>>     identified by an HTTP URI. Resources may be available in
>>>> multiple
>>>>>>>     representations (e.g. multiple languages, data formats,
>size,
>>>> and
>>>>>>>     resolutions) or vary in other ways. See details from RFC
>2616bis
>>>>>>>     for details on Uniform Resource Identifiers. See details
>from
>>>> RFC
>>>>>>>     2616bis for details on Uniform Resource Identifiers.
>>>>>>>
>>>>>>> The definition of Resource is something I've thought about more
>>>> than
>>>>>>> most people have thought about food.  I suggest we call the
>second
>>>> one
>>>>>>> "Web Resource", and explain, like this:
>>>>>>>
>>>>>>>
>>>>>>>     *Resource*
>>>>>>>
>>>>>>>     (Not to be confused with _Web Resource_)  An entity.  
>Saying
>>>> that
>>>>>>>     something is a resource says nothing at all about it,
>because by
>>>>>>>     the definition of the term, everything is a resource.    For
>>>> more
>>>>>>>     details see Uniform Resource Identifier (URI): Generic
>Syntax
>>>> (RFC
>>>>>>>     3986) [1] and Resource Description Framework (RDF) 1.1
>Concepts
>>>> [2].
>>>>>>>     *Web Resource*
>>>>>>>
>>>>>>>     Anything which is addressed by a URL; roughly speaking, a
>web
>>>>>>>     page.  Examples include: an HTML web page, an image offered
>by a
>>>>>>>     web server, or a dataset available for access at some URL.  
>A
>>>>>>>     resource may change its state over time and have different
>>>>>>>     representations of the same state.  For example, a webcam
>might
>>>>>>>     offer both JPEG and PNG versions of its current image, at
>the
>>>> same
>>>>>>>     URL, using content negotiation, or an RDF database might be
>>>>>>>     accessed at one URL using multiple syntaxes, such as RDFa,
>>>>>>>     JSON-LD, and Turtle.   For more details see Hypertext
>Transfer
>>>>>>>     Protocol -- HTTP/1.1 [3]
>>>>>>>
>>>>>>>     Sometimes Web Resources are just called "Resources".  In
>some
>>>>>>>     contexts, this can cause unnecessary confusion.  The
>difference
>>>> is
>>>>>>>     related to the distinction between URLs (which identify Web
>>>>>>>     Resources) and URIs (which identify Resources in general),
>as
>>>>>>>     discussed inhttp://tools.ietf.org/html/rfc3305#page-3
>>>>>>>
>>>>>>>     [1]http://tools.ietf.org/html/rfc3986
>>>>>>>     [2]
>>>> http://www.w3.org/TR/rdf11-concepts/#resources-and-statements
>>>>>>>     [3]
>>>>>>>    
>>>>
>http://www.w3.org/Protocols/HTTP/1.1/rfc2616bis/draft-lafon-rfc2616bis-04.html#intro.terminology
>>>>>>> I hope that works for folks.    Bernadette made some other
>changes,
>>>> so
>>>>>>> we're going to ask the WG for approval again before publishing.
>>>> I'll
>>>>>>> be sending along a pointer to the new version and the diffs once
>I
>>>>>>> have it passing pubrules.
>>>>>>>
>>>>>>>          -- Sandro
>>>>>>>
>>

-- 
Sent from my Android phone with K-9 Mail. Please excuse my brevity.
Received on Thursday, 23 May 2013 10:24:05 UTC

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