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 > > >