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I am creating an ontology based on a relational database. Some classes in my ontology are correspondent to some tables in the relational database (PostgreSQL).

I already read some documents about mappings from the W3C website. Especially this one which looks to me the right approach I should follow.

This generated a couple of questions:

  1. I suspect that this mapping approach will offer me just a RDF view of the database. Am I right?
  2. Once I have finished this mapping, where should I execute it? I saw some mapping processors in the reference section on the documentation but all of it looks to be outdated, some with more than 5 years of inactivity.

What I really need is a way to extract data values from some tables putting in my ontology.

Stanislav Kralin
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Pedro Silva
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1 Answers1

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The solutions found were:

  1. No, I wasn't right. They also allow filling it up the data.
  2. I have decided to use Ontop plugin inside protegé, even if I am not sure about the kind of mappings they use.
Pedro Silva
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