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Fwd: Access to DUL.owl ontology

From: Krzysztof Janowicz <janowicz@ucsb.edu>
Date: Tue, 24 Jan 2017 13:51:26 -0800
To: SDW WG Public List <public-sdw-wg@w3.org>, "Taylor, Kerry (ICT Centre, Acton)" <Kerry.Taylor@csiro.au>, Phil Archer <phila@w3.org>, "Cox, Simon (CESRE, Kensington)" <Simon.Cox@csiro.au>
Message-ID: <0431f5af-5b05-2a33-5558-ab1eacc3f460@ucsb.edu>
See the email below from an SSN user as one example.

-------- Forwarded Message --------
Subject: 	Access to DUL.owl ontology
Resent-Date: 	Wed, 17 Aug 2016 17:23:55 +0000
Resent-From: 	public-xg-ssn@w3.org
Date: 	Thu, 18 Aug 2016 01:22:43 +0800
From: 	Sergio José Rodríguez Méndez <srodriguez@pet.cs.nctu.edu.tw>
To: 	public-xg-ssn@w3.org, semantic-web@w3.org


Currently, I'm working on an ontology definition aligned to Semantic 
Sensor Network Ontology (SSN) <http://purl.oclc.org/NET/ssnx/ssn>, 
which, in turn, is aligned to the Dolce Ultra-Lite upper ontology 

One can see <https://www.w3.org/2005/Incubator/ssn/ssnx/ssn#Module_DUL> 
that in the SSN ontology spec, the DUL IRI namespace is:

However, it seems that this "link is broken", due that the IRI doesn't 
point the the proper DUL.owl definition.

I'm trying to see/generate a data model visualization of SSN via the 
tool WebVOWL (Web-based Visualization of Ontologies) 

For this, I'm following this IRI:

However, it fails due that it cannot find/retrieve DUL's definition:
/Could not load imported ontology: 
&lt;http://www.loa-cnr.it/ontologies/DUL.owl&gt; Cause: Problem parsing 
/Could not parse ontology./


  * Is there any standard way to handle this "broken link" when aligning
    to upper ontologies?
  * Should DUL.owl be fixed?
  * Should SSN address this situation "somehow"?
  * If I'm aligning to SSN, how I should address this situation?

Thank you for your feedback.

Best regards,

Sergio José Rodríguez Méndez (羅士豪)
Pervasive Embedded Technologies Laboratory (PET Lab)
Computer Science Department
National Chiao Tung University
Received on Tuesday, 24 January 2017 21:52:01 UTC

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