[foaf-dev] Re: privacy and open data
Kingsley Idehen
kidehen at openlinksw.com
Wed Mar 26 13:53:47 GMT 2008
Phil Archer wrote:
> Henry, all,
>
> I've jumped back to the start of this thread to raise an additional
> concern/use case about the whole issue of data portability and privacy
> protection.
>
> I've been told many times that once asserted, an RDF triple persists
> until the entropic heath death of the universe. Therefore any privacy
> protection system that depends on triples, at least in theory, cannot
> support the rather human practices of growing up, changing one's mind,
> changing jobs etc.
>
> If I allow my e-mail address to be seen by anyone who is no more than
> 2 hops from my FOAF file, I would want that check be carried out in
> real time so that if I deleted someone from my FOAF file, the
> permission would not be granted. But does this break the Semantic model?
Phil,
Simple answer is: No.
>
> In the POWDER WG, with help from Jeremy Carroll, we've defined a
> semantic extension to make it possible to put an expiry date on
> triples [1]. Can something like this be worked into data portability?
>
> I could back this up with a nice gentle "I've changed job so no more
> e-mail about its staff social functions please" but here's a more
> scary one:
>
> Imagine a teenage girl who is being abused at home. She uses her
> social network to call for help. Luckily, she finds it and manages to
> escape the dangerous home life. Now she wants to keep in touch with
> her new support network but become invisible to her former abuser.
She assumes a new Identity via a new URI in here new Social Space.
>
> In short, any privacy control needs to support changing circumstances.
One URI dies and another is born :-)
Kingsley
>
> Phil.
>
> [1] http://www.w3.org/TR/2008/WD-powder-dr-20080317/#temporalSE
>
--
Regards,
Kingsley Idehen Weblog: http://www.openlinksw.com/blog/~kidehen
President & CEO
OpenLink Software Web: http://www.openlinksw.com
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