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Re: objects to facts to links to LOD to ???

From: रविंदर ठाकुर (ravinder thakur) <ravinderthakur@gmail.com>
Date: Tue, 16 Dec 2008 22:15:36 +0530
Message-ID: <617073f10812160845o49ecb9bgb3d3fa0908eabad5@mail.gmail.com>
To: "Knud Hinnerk Möller" <knud.moeller@deri.org>
Cc: "Juan Sequeda" <juanfederico@gmail.com>, "public-lod@w3.org" <public-lod@w3.org>, "Semantic Web" <semantic-web@w3.org>
i dont have any reference. its just i was trying to understand layers of
semantic data and this came up in my mind... :)

On Tue, Dec 16, 2008 at 9:14 PM, Knud Hinnerk Möller
<knud.moeller@deri.org>wrote:

> Hi,
>
> I'm not sure about the discovery part - that seems to be more a meta-layer
> with data describing linked datasets (VoiD [1]). However, I agree that
> inference would have to be in layer 4 and up. Things like non-explicit
> object consolidation, vocabulary and ontology mapping, etc. will be
> necessary to integrate the data even beyond the point of explicit links.
>
> @ravinder: I like the three layers you propose - is there a reference for
> that, or did you come up with it just now? I'd love to reference it in my
> PhD thesis!
>
> Cheers,
> Knud
>
>
> [1] http://semanticweb.org/wiki/VoiD
>
> On 15.12.2008, at 20:54, Juan Sequeda wrote:
>
>  Hi Ravinder,
>>
>> Interesting points. I would say that Layer 4 would be "discovery".
>> Furthermore, this would be an inference layer that would allow discovery.
>> After having linked data, applications will be able to discover new data. So
>> maybe layer 4 and up are part of the applications that enable discovery.
>> Anyways, that is what I see what the semantic web is about: discovery and
>> serendipity.
>>
>> Juan Sequeda, Ph.D Student
>> Dept. of Computer Sciences
>> The University of Texas at Austin
>> www.juansequeda.com
>> www.semanticwebaustin.org
>>
>>
>> On Sat, Dec 13, 2008 at 11:16 AM, रविंदर ठाकुर (ravinder thakur) <ra
>> vinderthakur@gmail.com> wrote:
>> Hello Friends,
>>
>>
>> We have now reasonably good repository of linked data but i am not able to
>> find any good application being made out of it. From the dicsussion on these
>> mailing lists and other places, i got the feeling that everyone in semantic
>> world thinks that semantic web is something big but unfortunately nobody is
>> able to think of an application for _general public_ that can be based on
>> semantic web data we have currently.
>>
>>
>> This led me to wonder that are there any more layers of information
>> organization missing in the semantic web stack that are needed to generate
>> good usable semantic web data which can be more useful for generating useful
>> semantic apps . Few of the concepts i was thinking for upper layers to
>> implement were like categorization, set formation(eg MIT passout in 2002),
>> set intersection, etc. With these higher level layers I was hoping to build
>> a system to find higher level relations say between places with low cancer
>> rates and the food people eat there or any perticular gene found in such
>> people.
>>
>>
>> The current semantic stack looks like this:
>> .....
>> layer5 (???)
>> layer4 ( ???)
>> layer3 linked facts (isa(mars,planet) AND partof(mars,solarsystem) AND
>> mass(mars,6566.1255kg))
>> layer2 facts (isa(mars,planet), isa(cow,animal))
>> layer1 objects (eg cow, mars, man)
>>
>>
>>
>> Are there any other thoughts on the need of layers above the layer 3
>> (linked data ) or these layers will be defined by the respective apps
>> developers ? Even if there isn't any need, i would atleast like to have a
>> discussion on the kind upper level layers we might need :)
>>
>>
>> thanks
>> ravinder thakur
>>
>>
>>
>>
> -------------------------------------------------
> Knud Möller, MA
> +353 - 91 - 495086
> Smile Group: http://smile.deri.ie
> Digital Enterprise Research Institute
> National University of Ireland, Galway
> Institiúid Taighde na Fiontraíochta Digití
> Ollscoil na hÉireann, Gaillimh
>
>
Received on Tuesday, 16 December 2008 16:46:16 GMT

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