Re: Proposal: Web Federation Protocol

On 7/2/12 6:33 AM, Markus Sabadello wrote:
> Good idea..
>
> I think there would be several topics..
> 1. "Federation" in the sense of basic decentralized linking: HTML 
> Hyperlinks, Linked Data.
> 2. "Federation" in the sense of notifying parties that they have been 
> linked, or that something has changed: Pingback.
> 3. "Federation" in the sense of pushing the actual changes: 
> OStatus/Pubsubhubbub, Google Wave. Maybe also OData and XDI.
>
> I wonder if it would be possible to apply Pubsubhubbub to Linked Data.
> By that I mean that a subscriber to a Linked Data document would 
> receive updates with actual changes to that document, rather than 
> simply being notified that "something has changed" .

Yes, that's been implemented for a while [1].
> Do you know of any technology that can do this, i.e. push Linked Data 
> changes to a subscriber?
> In this post <http://blog.superfeedr.com/pubsubhubbub-0-4/>, it is 
> argued that Pubsubhubbub should support arbitrary content.

Links:

1. http://apassant.net/2010/04/18/sparql-pubsubhubbub-sparqlpush/ -- 
sparqlPUSH
2. http://code.google.com/p/sparqlpush/ -- project
3. http://ods.openlinksw.com/wiki/ODS/VirtPubSubHub -- ODS 
implementation (as is always the case, the implementation is old and a 
little neglected due to community inactivity re. this form of 
notification services) .

Kingsley

>
> Markus
>
> On Sun, Jul 1, 2012 at 11:35 PM, Melvin Carvalho 
> <melvincarvalho@gmail.com <mailto:melvincarvalho@gmail.com>> wrote:
>
>     There seems to be a few 'Federation' Protocols out there.
>
>     Two of which are:
>
>     http://en.wikipedia.org/wiki/OStatus
>     http://en.wikipedia.org/wiki/Google_Wave_Federation_Protocol
>
>     Much of the discussion that goes on today in various project is
>     oriented around how it's possible to make heterogeneous systems
>     Federate.
>
>     So I was thinking about proposing working on a document something
>     along the lines of:
>
>     'The Web Federation Protocol'
>
>     The document could contain some of the "deceptively simple"
>     federation protocols that we have working in the wild, such as
>     linked data and pingback.  In particular, if we can get others to
>     implement pingback (which is normally less than a day's work), we
>     can quickly develop an internet wide messaging system.
>
>     Some of you might think, 'that's missing the point the Web is
>     already federated via the URI (hyperlink) ', and there's certainly
>     plenty of evidence to support this.
>
>     However, to date I'm not sure there exists a very good
>     explanation, for those that are trying to get a better
>     understanding of the Web.
>
>     Maybe we could put together a narrative, primer, or wiki article,
>     to show how the Read Write Web is already federated, and how it's
>     possible to take advantage, embrace and extend?
>
>     Good idea / Bad idea ... any thoughts?
>
>
>
>
>


-- 

Regards,

Kingsley Idehen	
Founder & CEO
OpenLink Software
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