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   Re: [xml-dev] Triplets on the Internet

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On Tue, 2004-06-15 at 21:38, Rich Salz wrote:
> > I was thinking of a mathematical system for assigning trust values to
> > inferences made across data from a variety of different sources
> 
> How do you identify the source, associate it with the content, and ensure
> that the content hasdn't been modified?  The classic way of doing this is
> with digital signatures; anyone in semweb area planning on doing
> *anything* in this area?

In my application I used JXTA for the underlying transport - JXTA
provides a UUID identifiers for clients, so I used that for
identification purposes. My approach to associating that with the
content was to leave it to the receiving peer - the receiving peer
annotates the received topic map fragment, using the topic map scope
mechanism to scope every assertion with a topic that represents the
source peer. 

In presentations on the "layer-cake" architecture of the semweb, I've
seen reference to DigSig + XML Encryption. As has already been pointed
out there are problems in getting PKI out there - though if you look at
groupware tools like Lotus Notes and Groove, a form of PKI underlies the
identity mechanisms of both. For semweb technologies to really become
ubiquitous though this needs to get driven down into the standard
libraries (.NET/JRE/Whatever).

Cheers,

Kal

-- 
Kal Ahmed <kal@techquila.com>
techquila





 

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