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Re: How many instances of foaf:Person are there in the LOD Cloud?

From: Bernard Vatant <bernard.vatant@mondeca.com>
Date: Wed, 13 Apr 2011 11:52:05 +0200
Message-ID: <BANLkTinh5jMRf6_-O6=pZNyZ7f7rUt-ibA@mail.gmail.com>
To: Michael Brunnbauer <brunni@netestate.de>
Cc: Linking Open Data <public-lod@w3.org>
Thanks Michael

That's exactly the kind of figures I was looking for.
And I was not aware of www.foaf-search.net ... shame on me!

Bernard

2011/4/13 Michael Brunnbauer <brunni@netestate.de>

>
> re
>
> BTW: The note on http://wiki.foaf-project.org/w/DataSources that the
> Billion
> Triples Challenge 2009 contains "40 million FOAFs" is a bit misleading. If
> you
> follow the link you can see that there are 39 mio "X a foaf:Person"
> assertions
> in the dataset which boils down to much less distinct foaf:Persons. We have
> ca. 40 mio "X a foaf:Person" assertions and ca. 3.5 mio distinct
> foaf:Persons.
>
> Regards,
>
> Michael Brunnbauer
>
> On Wed, Apr 13, 2011 at 10:54:12AM +0200, Michael Brunnbauer wrote:
> >
> > re
> >
> > On Wed, Apr 13, 2011 at 10:15:46AM +0200, Bernard Vatant wrote:
> > > Just trying to figure what is the size of personal information
> available as
> > > LOD vs billions of person profiles stored by Google, Amazon, Facebook,
> > > LinkedIn, unameit ... in proprietary formats.
> >
> > At www.foaf-search.net, we have ca. 3.5 mio instances of foaf:Person.
> >
> > The biggest chunk out there is probably livejournal.com with more than
> 25mio
> > users which we cannot index all right now (we have 221090 of them).
> >
> > Another big one is hi5.com but the FOAF is quite broken so we don't
> crawl it.
> >
> > See also:
> >
> > http://www.w3.org/wiki/FoafSites
> > http://wiki.foaf-project.org/w/DataSources
> >
> > Regards,
> >
> > Michael Brunnbauer
> >
> > --
> > ++  Michael Brunnbauer
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>
> --
> ++  Michael Brunnbauer
> ++  netEstate GmbH
> ++  Geisenhausener Straße 11a
> ++  81379 München
> ++  Tel +49 89 32 19 77 80
> ++  Fax +49 89 32 19 77 89
> ++  E-Mail brunni@netestate.de
> ++  http://www.netestate.de/
> ++
> ++  Sitz: München, HRB Nr.142452 (Handelsregister B München)
> ++  USt-IdNr. DE221033342
> ++  Geschäftsführer: Michael Brunnbauer, Franz Brunnbauer
> ++  Prokurist: Dipl. Kfm. (Univ.) Markus Hendel
>



-- 
Bernard Vatant
Senior Consultant
Vocabulary & Data Integration
Tel:       +33 (0) 971 488 459
Mail:     bernard.vatant@mondeca.com
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Received on Wednesday, 13 April 2011 09:52:38 UTC

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