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Posted to users@jena.apache.org by Martynas Jusevičius <ma...@atomgraph.com> on 2022/01/24 22:37:41 UTC

Mapping multiple files into the same namespace

Hi,

I want to merge multiple RDF files into a single ontology under one
namespace URI. E.g. to add custom assertions to ontologies without
touching their original files.

Can LocationMapper/FileManager be made/extended to do this, or do I
need to roll something of my own?

Martynas
atomgraph.com

Re: Mapping multiple files into the same namespace

Posted by Andy Seaborne <an...@apache.org>.

On 24/01/2022 22:37, Martynas Jusevičius wrote:
> Hi,
> 
> I want to merge multiple RDF files into a single ontology under one
> namespace URI. E.g. to add custom assertions to ontologies without
> touching their original files.
> 
> Can LocationMapper/FileManager be made/extended to do this, or do I
> need to roll something of my own?

You could push something under the OntAPI but why? Its harder to 
comprehend if significant transformation is done in a hidden way.

Have a function that does (URI, custom assertion maker) -> Union model 
that reads (RDFParser) and processes URIs.

LocationMapper (either of them - there's a legacy one for OntAPI and one 
in RIOT) does not read data - it finds alternative names for things. So 
"no".

FileManager is StreamManager in RIOT.

     Andy

> Martynas
> atomgraph.com