Re: Access to DUL.owl ontology

Hi,

Yes, this is a known issue. You can fine DUL at 
http://www.ontologydesignpatterns.org/ont/dul/DUL.owl .

> Should SSN address this situation "somehow"?

It will.

Best,
Krzysztof


On 08/17/2016 10:22 AM, Sergio José Rodríguez Méndez wrote:
> Hello.
>
> 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 
> <https://www.w3.org/2005/Incubator/ssn/wiki/SSN_Skeleton#Aligning_the_SSN_Ontology_and_the_core_SSO_design_pattern_with_DOLCE>. 
>
>
> 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:
> *http://www.loa-cnr.it/ontologies/DUL.owl*
>
> 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) 
> <http://vowl.visualdataweb.org/webvowl.html>.
>
> For this, I'm following this IRI:
> http://vowl.visualdataweb.org/webvowl/#iri=http://purl.oclc.org/NET/ssnx/ssn
>
> 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 http://www.loa-cnr.it/ontologies/DUL.owl/
> /Could not parse ontology./
> }
>
> Questions:
>
>   * 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.
>
> /$¡rm
> Best regards,
>
> Sergio José Rodríguez Méndez (羅士豪)
> Pervasive Embedded Technologies Laboratory (PET Lab)
> Computer Science Department
> National Chiao Tung University


-- 
Krzysztof Janowicz

Geography Department, University of California, Santa Barbara
4830 Ellison Hall, Santa Barbara, CA 93106-4060

Email: jano@geog.ucsb.edu
Webpage: http://geog.ucsb.edu/~jano/
Semantic Web Journal: http://www.semantic-web-journal.net