import OWL ontology

[chahd....@gmail.com]

Hi,

I want to import an existing OWL ontology into a Stardog database. I want to know what is the correct manner between these:

- aAdminConnection.disk("dbName").create(new File("ontology.owl"));

- using an IO

         IO aAdder = aReasoningConn.add().io().format(RDFFormat.RDFXML);

 

 aAdder.file(new File("ontology.owl"));

thank you

[Michael Grove]

They're basically the same.  The contents of the database is identical in both cases.  In the former, you're loading when the database is created, while the latter you're loading after it's been created.  It's slightly faster to load at create time, but that's usually only noticeable for large inputs.

Cheers,

Mike

 

thank you

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[Chahd Chahd]

Hi

Thank you,

I have another question, I want to read from the database and modify it using SNARL, Sesame or Jena API. While such access, does stardog load the whole database in memory. I want to use a large database without memory problems.

[Michael Grove]

On Thu, Jul 2, 2015 at 1:16 PM, Chahd Chahd <chahd....@gmail.com> wrote:

Hi

Thank you,

I have another question, I want to read from the database and modify it using SNARL, Sesame or Jena API. While such access, does stardog load the whole database in memory. I want to use a large database without memory problems.

No.

Cheers,

Mike

[Chahd Chahd]

Thank you for the quick answer,

Can we consider Stardog as a big data tool?