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Re: Triplets on the Internet

• To: Rich Salz <rsalz@d...>
• Subject: Re: Triplets on the Internet
• From: Kal Ahmed <kal@t...>
• Date: Tue, 15 Jun 2004 22:08:51 +0100
• Cc: XML Developers List <xml-dev@l...>
• In-reply-to: <Pine.LNX.4.44L0.0406151636160.29256-100000@s...>
• Organization: techquila
• References: <Pine.LNX.4.44L0.0406151636160.29256-100000@s...>

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@t...>
techquila

• References:
  • Re: Triplets on the Internet
    • From: Rich Salz <rsalz@d...>

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