re Here is the current top 25 for foaf-search.net (Number of RDF documents per second level domain). dbpedia is not included because we used the dumps and livejournal.com was not crawled completely. Not all RDF documents are about persons. We index every document containing a foaf:name or foaf:nick predicate.
opera.com 247281 ecademy.com 224875 livejournal.com 221321 identi.ca 192732 insanejournal.com 183046 ac.uk 176452 (mostly eprints.soton.ac.uk and eprints.ecs.soton.ac.uk) deadjournal.com 161659 spin.de 131959 rambler.ru 111119 mybloglog.com 53633 i.ua 43727 (narod.i.ua) dreamwidth.org 39471 smart.fm 38945 dbtune.org 36498 bibliographica.org 34795 rdfabout.com 30237 rpi.edu 29913 co.uk 25073 (mostly ordnancesurvey.co.uk) qdos.com 18816 wasab.dk 18763 sapo.pt 17029 photozou.jp 14560 phitter.com 11823 openei.org 10794 gov.uk 10589 (mostly data.gov.uk) Regards, Michael Brunnbauer On Wed, Apr 13, 2011 at 01:37:48PM +0200, Mischa Tuffield wrote: > Hi All, > > I was looking at the number of foaf files on the web over a year ago now, > output looks like so : > > http://mmt.me.uk/slides/lod24022010/#(16) > > Mischa > On 13 Apr 2011, at 12:11, Melvin Carvalho wrote: > > > On 13 April 2011 10:54, Michael Brunnbauer <bru...@netestate.de> 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. > > > > gmail at one point were publishing foaf profiles ... so that's quite a few > > more > > > > facebook graph is not quite foaf but certainly machine readable JSON, > > and could easily be transformed to FOAF, so that's another chunk > > > > there's a few bridges too such as ones last.fm, flikr and semantic tweet > > > > So including bridge I'd guess 250 million, 99% should be alive today, > > but that number will fall over time (obviously) > > > >> > >> See also: > >> > >> http://www.w3.org/wiki/FoafSites > >> http://wiki.foaf-project.org/w/DataSources > >> > >> Regards, > >> > >> Michael Brunnbauer > >> > >> -- > >> ++ 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 bru...@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 > >> > >> > > > -- ++ 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 bru...@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
