An XML catalog describes the mapping between external entity references and locally cached equivalents for an XML external resource. You can create an XML catalog file using the application Protégé[1]. The version of Protégé used in these instructions is version 4.3.0.
To create an XML catalog file for a locally cached set of external ontologies
- Open Protégé.
Select File > New. Creating an OWL ontology in Protégé application.Select Save as. Saving an OWL ontology in Protégé.- Navigate to a folder location.
- Name the empty ontology.
Click Save. Saving the OWL ontology file to a selected location.Click File > Open. Opening the OWL ontology in Protégé.Click Yes. Opening the OWL ontology in the current window option.- Select the newly created ontology.
- Click Open.
Selecting an OWL ontology to open.
To create an XML catalog file for the desired locally cached set of external ontologies:
Click File > Edit active ontology library. Creating an XML catalog file in Protégé.- Click on the Folder Repository for the empty ontology.
Click Delete (-). Deleting a folder repository.Click Add (+). Adding a folder repository.- Click on Folder Repository.
Select Recursively searchsubdirectories. Locating for a folder repository.- Select the desired folder.
- Click Open.
Selecting a folder repository. - Click OK.
The new folder repository is added.
[1] Protégé is a free, open-source ontology editor, and a framework for building knowledge management systems. |