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# : 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#>;

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

Go to "Entity URI lookup"

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

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

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

Related Virtuoso Tips and Tricks Collection Virtuoso Faceted Browser Installation and configuration Virtuoso Facets Web Service The OpenLink Data Explorer Extension Virtuoso Documentation