W3C home > Mailing lists > Public > public-lod@w3.org > April 2010

Re: linking facebook data

From: Nathan <nathan@webr3.org>
Date: Wed, 28 Apr 2010 21:47:26 +0100
Message-ID: <4BD89EDE.9040400@webr3.org>
To: Mischa Tuffield <mmt04r@ecs.soton.ac.uk>
CC: Li Ding <dingl@cs.rpi.edu>, Linked Data community <public-lod@w3.org>
Related:

http://dev.intellidimension.com/oger/

open graph -> rdf -> sparql and explored via a silverlight front app;
worth a look.

Best,

Nathan

Mischa Tuffield wrote:
> Hi Li,
> 
> I have just had another look at another user which isn't me (school boy error on my behalf ;)
> 
> http://sam.tw.rpi.edu/data/face/resource/borisjohnson
> 
> And I think I found a bug you in your implementation : 
> 
> the above rdf document has a dob of which is set to : -1/16/-001
> 
> Which doesn't seem correct to me, perhaps a bug in your code?
> 
> I looked at boris's public facebook page and, didn't see his dob, 
> 
> http://www.facebook.com/borisjohnson#!/borisjohnson?v=info
> 
> but after consulting wikipedia it should be 19th June 1964
> 
> Anyways, just another pointer. 
> 
> Regards, 
> 
> Mischa
> On 28 Apr 2010, at 21:13, Mischa Tuffield wrote:
> 
>> 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 ...
>>
>> My point of reference is my facebook account, and the URI you mint of your service looks like so :  
>>
>> http://sam.tw.rpi.edu/data/face/resource/mischat#me
>>
>> Points: 
>>
>> 1. I would be nice if the person URI you mint, was explicitly a foaf:Person, e.g. : 
>>
>> <http://sam.tw.rpi.edu/data/face/resource/mischat#me> a foaf:Person . 
>>
>> 2. The document URI could have a foaf:primaryTopic triple in there such as: 
>>
>> <http://sam.tw.rpi.edu/data/face/resource/mischat> foaf:primaryTopic <http://sam.tw.rpi.edu/data/face/resource/mischat#me> .
>>
>> Which in turn identifies which foaf:Person in the RDF document is a "main (wo)man" being defined. This would be useful in the case where the given user's friends are also listed in the document.
>>
>> 3. Ideally the document URI would be a foaf:PersonalProfileDocument such as : 
>>
>> <http://sam.tw.rpi.edu/data/face/resource/mischat> a foaf:PersonalProfileDocument . 
>>
>> 4. Why didn't you make use of foaf:givenname and foaf:familyname which are spec'ed out in the foaf ontology[3], not a biggy but reuse is said to be the right thing™ todo :)
>>
>> 5. You could add an xsd:dateTime to the dcterms:created triple, as apposed to exposing the data as a plain text literal.
>>
>> <http://sam.tw.rpi.edu/data/face/resource/mischat> dcterms:created "2010-04-27T12:42:11Z"^^xsd:dateTime .  
>>
>> 6. If i am not mistaken you could also get your hands on my fb avatar URI via the calls you make, that would be nice to see in your rdf.
>>
>> But yeah, good work :)
>>
>>
>> Mischa *is happy that hardly any of my fb data is accessible via the fb graph API :)
>>
>> [1] http://sam.tw.rpi.edu/ws/face_lod.html
>> [2] <mailto:m.rowe@dcs.shef.ac.uk>
>> [3] http://xmlns.com/foaf/spec/
>> On 28 Apr 2010, at 15:02, Li Ding wrote:
>>
>>> 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/
>>>
> 
> 
Received on Wednesday, 28 April 2010 20:48:08 UTC

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