[protege-discussion] Error change from 3.0 to 3.2

[Tania Tudorache]

Rainer,

We are not supporting the RDF Backend anymore. This plugin has been 
developed a long time ago for one of the first versions of Protege and 
the developer is not working at Stanford anymore. However, we are 
planing on providing a better RDF(S) support in the Protege 4 version.

Until then, you can use the OWL/RDF backend to edit RDF(S) files without 
loosing your sub-models structure. You can use the owl import mechanism 
to mimic the project inclusion in frames. You can create an *.rdfs file 
that contains your classes definitions and then import it into an *.rdf 
file that contain the instances.

The created content will be RDF(S). For example the classes will be 
rdfs:Class-es and the properties will be rdf:Property-ies. However, if 
you use the owl import mechanism you will see the owl:import statement 
in the rdf file, which is in the end also rdf. Besides that, all the 
content will be "pure" RDF(S).

Tania



Rainer Rosenmüller wrote:
> Hi,
>
> ok, now I can use the OWL/RDF files backend. But by converting the 
> projects I loss the submodel structure. And I need the RDFS/RDF-files to 
> use it as input for an other tool.
> (I try to make a protege plugin for this tool.)
>
> To the RDF files backend ERROR:
>
> The error
>
> "java.lang.ClassNotFoundException: org.apache.xerces.parsers.SAXParser
> Fatal error. Execution stopped."
>
> is very short produced.
> 1. New Project, RDF backend, new 1 class with 1 new slot, save project A
> 2. New Project, RDF backend, new 1 class with 1 new slot, save project B
> 3. include project A.
> That's it.
>
> This error is also in protege 3.1.1 Build 216, protege 3.0 works fine. I 
> hope that somebody find  time someday to look for this.
>
> Kind regards
>
> Rainer Rosenmueller
>
> Tania Tudorache schrieb:
>   
>> Rainer,
>>
>> I recommend using the OWL/RDF files backend, rather than the "RDF Files" 
>> backend, which was developed a long time ago for an old version of 
>> Protege. We don't encourage people to use it. The OWL/RDF backend is 
>> under active development, and it is the recommended backend for handling 
>> RDF(S) files.
>>
>> Tania
>>     
>
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