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Re: [foaf-protocols] ACL Append

From: Melvin Carvalho <melvincarvalho@gmail.com>
Date: Sat, 19 Jun 2010 15:38:33 +0200
Message-ID: <AANLkTinrUNP0PTvLw2BjS0eBkR63QxJQyhK4TebtWcm1@mail.gmail.com>
To: nathan@webr3.org
Cc: foaf-protocols <foaf-protocols@lists.foaf-project.org>, Linked Data community <public-lod@w3.org>
2010/6/18 Nathan <nathan@webr3.org>

> Following the recent update of a few of the design issues, one change to
> the 'Socially Aware Cloud Storage' [1] introduced (among many other
> interesting updates) the following sentence:

Great spot.

> 'If I want to say that I want to be your friend, for example, I could
> write that as a simple one-line statement into a "friend requests" file
> which you allow me write access to. In fact, I only need append access,
> and not even read or general write access to that list.'

What would the one line statement equivalent to 'I want to be your friend'

> Hand in hand with this, the ACL Ontology has been updated to to include
> a new acl:Append (in addition to the existing :Control, :Read, :Write)
> http://www.w3.org/ns/auth/acl#Append
> 'Append accesses are specific write access which only add information,
> and do not remove information.
> For text files, for example, append access allows bytes to be added onto
> the end of the file.
> For RDF graphs, Append access allows adds triples to the graph but does
> not remove any.
> Append access is useful for dropbox functionality.
> Dropbox can be used for link notification, which the information added
> is a notification that a some link has been made elsewhere relevant to
> the given resource.'
> Best,
> Nathan
> [1] http://www.w3.org/DesignIssues/CloudStorage.html
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Received on Saturday, 19 June 2010 13:39:01 UTC

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