[foaf-dev] for more information please log in
Story Henry
henry.story at bblfish.net
Sun Jan 13 20:39:52 GMT 2008
On 13 Jan 2008, at 20:57, Dan Brickley wrote:
> +cc timbl
>
> Story Henry wrote:
>> If a foaf file is to return different representations depending on
>> the authentication level of the person looking at it, there needs
>> to be some way for the foaf file to say that. Something like: for a
>> larger view you may want to log in there: http://...
>> Any thoughts on this?
>
> Is this FOAF specific? Or just a general thing with authenticated
> views of Web sites.
No, as you correctly guessed, this is not foaf specific. I just posted
it here because I had been thinking of this in terms of the topical
problem of social network "portability". The idea of portability is a
lot less interesting to me than the thought of social network
connectivity, or linked social networks. But to do this one will have
to answer the problem of how to make some relations visible to some
people and not to others. I know that a lot of people are happy to put
their business information available online for all to see, but would
rather not have everyone read their family relations. So if Facebook
or LinkedIn are going to be able to publish foaf files we need make it
possible for them to offer this functionality.
The simple way to solve that problem is to return different
representations to different people viewing a particular foaf file.
But of course for the server to know who these people are it would
have to ask them to identify themselves somehow. Usually on web sites
this is done using a "log in button". So that is why I was wondering
what the best way to do this would be in RDF. Perhaps just a
<> opeinid:login <http://bblfish.net/login> .
relation? Once logged in my whole domain (bblfish.net) would be able
to treat requests for rdf coming from that client in a more
personalised way.
As you correctly point out this is a more general problem than foaf.
But we have a use case here. Who should we ask for help? I mean which
forums would be helpful to go to for further information?
> http://www.flickr.com/photos/danbri/ is my Flickr photostream (and
> hopefully soon an :openid for me too). When I'm authenticated it
> offers me more information than you'll see (and more action
> possibilities). Some of that extra info might be linked versus
> embedded, some might be in HTML (or RDFa or microformat).
yes
> Relatedly I was discussing with TimBL a bit lately the issue of how
> different the representations of a document can get, before you
> really ought to be using different URIs. This came out of practical
> questions around Tabulator behaviour, since Tabulator rigs your
> browser to say "hey, gimme the RDF version", meaning you miss out on
> seeing HTML documents that are content-negotiated with RDF variants.
> Tim argued that the HTML and RDF ought to be available from
> different URIs. Perhaps there's some common 'best practice' here re
> authenticated views of pages too. Or as you suggest, just need for a
> bit of vocab to describe the various deployment idioms that are
> already out there.
agree.
> cheers,
>
> Dan
>
> --
> [ :openid <http://danbri.org/>; :weblog <http://danbri.org/words/> ]
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