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Re: Errors when using the --why option

From: Dan Connolly <connolly@w3.org>
Date: Fri, 23 Mar 2007 15:12:24 -0500
To: Andrea Perego <andrea.perego@uninsubria.it>
Cc: public-cwm-talk@w3.org
Message-Id: <1174680744.13442.101.camel@dirk>

On Thu, 2007-03-15 at 16:49 +0100, Andrea Perego wrote:
> Dear all,
> 
> I'm new to the mailing list and I would like to report a problem I
> encountered when trying to obtain a proof from Cwm.
> 
> We are working on a rule-based mechanism for controlling the access to
> resources owned by social network participants. Very briefly, the idea
> is that access rules denote authorized users by using constraints on the
> type, trust level, and depth of relationships. For this purpose, we
> adopted the PAW approach and, in particular, we use N3 to express access
> rules and the assertions on the existing relationships, whereas Cwm is
> in charge of computing and verifying proofs.

Very interesting!

[...]
> However, if I run
> 
>   python cwm-1.0.0/cwm.py socrates.n3 --think --why
> 
> here is the result:
> 
> 
> #Processed by Id: cwm.py,v 1.164 2004/10/28 17:41:59 timbl Exp

The --think and --why stuff is very current work; 2004/10 is
probably too old. The cwm version I have here says:

v 1.190 2006/08/09 23:20:42

We're overdue for a release. Meanwhile, perhaps you could
try checking out a current version with CVS?

I think the instructions
  http://www.w3.org/2000/10/swap/doc/cwm#dev
are current.

$ cvs -d:pserver:anonymous@dev.w3.org:/sources/public login
password? anonymous
$ cvs -d:pserver:anonymous@dev.w3.org:/sources/public get 2000/10/swap


-- 
Dan Connolly, W3C http://www.w3.org/People/Connolly/
D3C2 887B 0F92 6005 C541  0875 0F91 96DE 6E52 C29E
Received on Friday, 23 March 2007 20:12:33 GMT

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