You might take a look at the Right Field project which lets you map an
Excel file to an ontology.

http://www.rightfield.org.uk/

Hope this helps,

Mark
On Dec 6, 2015 5:01 PM, "Yusniel Hidalgo Delgado" <yhdelg...@uci.cu> wrote:

> Hello Benedikt,
>
> You may try to use a data integration approach before map the ontology
> with the data sources. For instance, you could to create a relational
> database in MySQL or other RDBM that you prefer. For this, you can try an
> ETL process using Pentaho Data Integration Tool[1]. If you have a
> relational database, the process of mapping the ontology is much more easy.
>
> Best regards.
>
> [1] http://community.pentaho.com/projects/data-integration/
>
> Yusniel Hidalgo Delgado
> Semantic Web Research Group
> University of Informatics Sciences
> Webpage: http://goo.gl/PtH3Bd
> Havana, Cuba
>
> ----- Mensaje original -----
> > De: "Benedikt Tröster" <troes...@stud.uni-heidelberg.de>
> > Para: users@jena.apache.org
> > Enviados: Lunes, 7 de Diciembre 2015 0:55:58
> > Asunto: [MASSMAIL] How can I implement custom datasources for mappings
> (e.g. to word or excel files)?
> >
> > Hello everyone!
> >
> > I'm currently working on an university project and my task is to create
> > mappings between an ontology and several datasources. From what I've
> > seen jena supports MySQL datasources for OBDA, but I actually want to
> > map the ontology not only to MySQL but also to Word and Excel files for
> > example. Could you give me some hints as to where in the documentation I
> > should start searching or maybe even some code that I could take a look
> at?
> >
> > My current idea is to implement a program that would return JSON
> > responses upon receiving requests on an API which is accessed by Jena
> > (e.g. via SPARQL requests).
> >
> > Any input or concern is appreciated. :)
> >
> > Thanks so much in advance!
> >
> > Best,
> > Benedikt
> >
>

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