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Re: Linked Data Fragments: Web-scale querying

From: Alfredo Serafini <seralf@gmail.com>
Date: Tue, 11 Mar 2014 14:17:59 +0100
Message-ID: <CADawF4OhNRTmAOnrWyafraqOwrf7MQ8dvCxMURXFd45qTeL4jQ@mail.gmail.com>
To: Ruben Verborgh <ruben.verborgh@ugent.be>
Cc: public-lod Data <public-lod@w3.org>, "semantic-web@w3.org Web" <semantic-web@w3.org>
wow, I have to read all the materials in details as soon as I can, thanks
very much.
Sounds great!  :-)


2014-03-11 13:39 GMT+01:00 Ruben Verborgh <ruben.verborgh@ugent.be>:

> Hi Alfredo,
>
> > I was looking for some library who decompose queries in order to
> maximise triples re-using. If I am not wrong is what you are doing here?
>
> That is indeed what we are doing!
> The algorithm is detailed in our paper [1], a high-level overview is given
> online [2].
>
> > Most of of all I am curious about the methods: do you propose this
> approach as a pattern more than a technologic solution?
>
> It certainly is a pattern, a strategy for offering data in a scalable and
> queryable way.
>
> Right now, there is one server that offers a specific kind of fragments
> (basic Linked Data Fragments).
> However, we envision in the future that servers offer many different kinds
> of fragments [3];
> essentially, those fragments that they can generate easily.
>
> Clients can then decide which kinds of fragments they like to use for the
> task they need to perform.
> This task could be answering a SPARQL query, but also more
> application-specific scenarios.
> That's the interesting thing about fragments: they can be reused
> serendipitously in many ways.
>
> > If I undertand correctly the idea, this seems to me great, and can be
> expanded in many ways, maybe also introducing a sort of "linked hypermedia"
> layer.
>
> It currently functions as a hypermedia API;
> that is, all fragments link to each other and the client uses hypermedia
> [4]
> to navigate from one fragment to another (instead of pre-existing URL
> rules).
>
> Best,
>
> Ruben
>
> [1] http://linkeddatafragments.org/publications/ldow2014.pdf
> [2]
> http://ruben.verborgh.org/blog/2014/03/11/towards-web-scale-web-querying/#querying-with-linked-data-fragments
> [3] http://linkeddatafragments.org/in-depth/#ldp
> [4]
> https://github.com/LinkedDataFragments/Client/blob/master/lib/LinkedDataFragmentsClient.js#L33
Received on Tuesday, 11 March 2014 13:18:28 UTC

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