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[protege-owl] Loading RDF instances into an existing ontology
tredmond at stanford.edu
Tue Aug 21 14:12:33 PDT 2007
I would advise some caution on this. Importing RDF/RDFS files into
OWL is not a defined concept.
But - in the context of OWL Full - it seems that we can understand
the intent. In general mixing rdf/rdfs and owl means that you are
not using OWL DL. This means that you lose the ability to use OWL
inference engines though you keep the advantage of a standard well-
defined semantics. In addition Protege has trouble with many OWL
Full constructs such as properties that are also classes or
individuals that are also properties. So there may be RDF/RDFS files
that contain valid OWL Full constructs that cannot be understood as
OWL Full by Protege.
But I do see the motivation of what you are trying to do. Tania is
looking into the possibility of supporting your request. But it
would probably not be a recommended practice and not fully supported
(in the case the the RDF/RDFS files contain constructs not supported
On Aug 15, 2007, at 7:04 PM, KAding wrote:
> I have done the following:
> 1. Created an empty OWL/RDF project
> 2. Imported RDFS for several vocabulary ontologies (Wordnet for
> using the ontology repository feature
> 3. I then developed my own ontology, with the 'rdfs:range' of many
> properties set to the classes of the vocabulary ontologies
> Now, the next step would be to import the RDF files of the
> i.e. the instances. After that is done I can start adding my own
> whereby many property values would simply be pointers to the
> instances of
> the imported vocabularies.
> But I can't figure out how to import the RDF files? Doing it
> through the
> ontology repository doesn't seem to do anything. I can only add
> them when I
> make a new Protege project and use 'Create from existing sources'.
> But there
> I can only select one RDF file, while I have to add at least 15 RDF
> into an existing ontology.
> What am I missing here? How can I import RDF files (instances) into an
> Protege-OWL project?
> Thank you,
> View this message in context: http://www.nabble.com/Loading-RDF-
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