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Re: please help define Web of Data

From: Giovanni Tummarello <giovanni.tummarello@deri.org>
Date: Wed, 20 Apr 2011 17:32:09 +0200
Message-ID: <BANLkTi=uzaOrdjBemc4082x1HQs=3-9Bsg@mail.gmail.com>
To: "tom.heath" <tom.heath@talis.com>
Cc: Semantic Web at W3C <semantic-web@w3.org>
Hi Tom,

these basic terminology and definitions are used by so many in our
community in  dozens of articles, books, interviews.

As a community, credibility is obviously important. Loosing
credibility hurts all those connected.  So, no, i dont think
discussing and clarifying a bit the terminology and clarifying can be
a waste of our time

The question was simple, is the Web of Data equivalent to LOD or not?

if i publish something the way way all the ecommerce people do using
goodrelations or rotten tomatoes (with its very rich rdfa markup) or
my foaf file, or any of the thousands of recipies websites which are
publishing microformats so that google can provide faceted search on
them http://www.google.com/#q=chicken+pasta

these are not lod, ", are they on the "web of data" or not?
If we can get a consensus then great, it helps me using terminology
better and possibly all

On Wed, Apr 20, 2011 at 1:13 PM, Tom Heath <tom.heath@talis.com> wrote:
> Hi guys,
> FWIW I think there is a key distinction between a "Web of Data" and
> "data on the Web". Much as I wanted to love Microformats (to pick one
> example), when I tried to use them in anger I became frustrated at the
> seeming lack of the 'linkiness' we need to truly connect data records
> on the Web (or strictly speaking 'connect things described by data
> records on the Web). Linked Data addresses this, which is one of the
> reasons I'm such a fan.
> That said, I'm not sure of the real need for a shared definition.
> Isn't this a case of "each to their own" - something the Web is really
> good for? Everyone is welcome to their own interpretation, and if
> Sindice takes a very inclusive attitude to different data
> formats/models then that's your free choice. Ultimately though, aren't
> we all just better off getting on and building a Web of Data, whatever
> definition we choose, than spending our precious time debating the
> term?
> Cheers,
> Tom.
> On 19 April 2011 12:04, Giovanni Tummarello
> <giovanni.tummarello@deri.org> wrote:
>> Hi,
>> I am writing here since i came across a few recent "foundational
>> style" publications on the topic that give a definition  of "web of
>> data" basically as SameAs of LOD - also specifying, in avoidance of
>> doubt, that the LOD community started the web of data.
>> I wish to preserve and make clear the difference between "Web of Data"
>> approaches such as Sindice.com (or anyone dealing with web markup
>> really, Google, Facebook, Yahoo, Goodrelations ecommerce etc) and the
>> technicalities that LOD considers fundamental requisites.
>> In our definition . (e.g. see the very beginning of the video at
>> http://sig.ma ). the Web of Data,is the web made of pages that exposes
>> machine processable content definited according to some metadata
>> standard. So RDF, RDFa, Microformats, but also XML using notable
>> schemas. Of course LOD is part of it.
>> In our view the *all these formats* do indeed serve the purpose of web
>> scale data interoperability and aggregation. All these allow shared
>> understandings thanks to shared vocabularies, so the differences are
>> mostly syntactic and can easily be converted and integrated with
>> similar, general tools.  [1] discusses a bit more the vision, though
>> not specifically about this.
>> This is clearly outside LOD (it is indeed a vast superset). But i
>> really apologize if we have used this term wrong so far.
>> I will appreciate and change the term if there is vaste feeling htat
>> there would be no web of data without lod.
>> Otherwise maybe those who mean LOD can call  it LOD?  :)
>> please advice.
>> thanks in advance.
>> Gio & Renaud
>> [1]  "Publishing Data that Links Itself: A Conjecture" by G. Tummarello
>> R.Delbru
>> http://www.aaai.org/ocs/index.php/SSS/SSS10/paper/download/1189/1467
> --
> Dr Tom Heath
> Lead Researcher
> Talis Systems Ltd
> W: http://www.talis.com/
> W: http://tomheath.com/id/me
> Talis Systems Ltd is a company registered in England and Wales.
> Registered number: 07196440. Registered office: 6190 Knights Court,
> Solihull Parkway, Birmingham Business Park, B37 7YB, United Kingdom.
Received on Wednesday, 20 April 2011 15:32:37 UTC

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