How to Import Ontology into Virtuoso?

The following guide describes how to import a given ontology file (for ex. http://example.org/ontology.owl) into Virtuoso.

Import the Ontology Data

Assume one wants to import in Virtuoso the cert ontology http://www.w3.org/ns/auth/cert# :
  1. Using the Conductor UI at http://<cname>/conductor -> Database -> Interactive SQL or from the ISQL command line, execute the following statement: 

    SPARQL LOAD <http://www.w3.org/ns/auth/cert#>;









  2. Next execute the statement: 

    SPARQL
DEFINE get:soft "replace" 
SELECT DISTINCT * 
FROM <http://www.w3.org/ns/auth/cert#> 
WHERE 
  {
    ?s ?p ?o
  }









View the Imported Data Using FCT Browser

  1. Make sure you have installed the Virtuoso Faceted Browser VAD package.
  2. Go to http://http://<cname>/fct


  3. Go to "Entity URI lookup"


  4. Enter the ontology url: http://www.w3.org/ns/auth/cert# . Select the provided file location:


  5. Click "Describe". 1.The main ontology retrieved data should be presented:


  6. You may want to proceed further exploring the retrieved data by viewing the is isDefinedBy of : Certificate
  7. Should be presented certificate definitions within the ontology:



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