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Re: [foaf-dev] linking facebook data

From: Melvin Carvalho <melvincarvalho@gmail.com>
Date: Fri, 30 Apr 2010 15:10:25 +0200
Message-ID: <q2x9178f78c1004300610uf88a839ek1b952a0dd9430509@mail.gmail.com>
To: Matthew Rowe <m.rowe@dcs.shef.ac.uk>
Cc: Mischa Tuffield <mmt04r@ecs.soton.ac.uk>, Li Ding <dingl@cs.rpi.edu>, Linked Data community <public-lod@w3.org>, foaf-dev Friend of a <foaf-dev@lists.foaf-project.org>
2010/4/30 Matthew Rowe <m.rowe@dcs.shef.ac.uk>

> Hi
> First just want to say Li that your app is cool. Good job.
> Hello,
> Am cc'ing the foaf-dev mailing (sorry for cross posting)...
> I just had a look at your fb graph API -> foaf rdf service[1], firstly cool
> stuff, but I have a few points I will address below.
> I recall Matthew Rowe[2] making a similar service a few years ago which
> spat out foaf data for a user's fb account, and I recall fb getting annoyed.
> Am guessing they mentally might have shifted since danbri's good work in
> getting them involve with SW tech  (great work once again by danbri ...
> *tonnes of applause), I guess we will find out soon ...
> Indeed it appears that their opinion of 'open data' has shifted. Facebook
> refused to list the FOAF Generator, which Mischa mentions, in their
> application directory as they were concerned about having 'their' data
> exported from Facebook for use by 3rd parties. You can use it here:
> http://ext.dcs.shef.ac.uk/~u0057/FoafGenerator<http://ext.dcs.shef.ac.uk/%7Eu0057/FoafGenerator>
> With the above app you are able to export your entire social graph from fb,
> thus capturing all your relationships in RDF using FOAF. I guess that with
> the Open Graph Protocol you can't get such information.

I believe there was a restriction facebook has about caching data for more
than 48 hours.

In the f8 keynote last week mark zuckerberg said that restriction had now
been lifted

> I just built a demo that provides dereferenable HTTP URIs (with
> RDF/XML data) for Facebook data using data retrieved from the recently
> announced  Graph API by Facebook.  see
> http://sam.tw.rpi.edu/ws/face_lod.html
> In the demo, I observed inconsistent term usage between the Facebook
> data  API (JSON) and open graph protocol vocabulary. There is also
> some good potential to get the Facebook terms mapped to FOAF and
> DCterms terms. Please see my blog at
> http://tw.rpi.edu/weblog/2010/04/28/putting-open-facebook-data-into-linked-data-cloud/
> .
> Comments are welcome.
> best,
> --
> Li Ding
> http://www.cs.rpi.edu/~dingl/ <http://www.cs.rpi.edu/%7Edingl/>
> Matthew Rowe, MEng
> PhD Student
> OAK Group
> Department of Computer Science
> University of Sheffield
> m.rowe@dcs.shef.ac.uk
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Received on Friday, 30 April 2010 13:10:59 UTC

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