Select the semantic resource you want to validate. You can upload a file in Turtle (.ttl) format via the validator interface, choosing it from your device or a specified source.

Descriptive image of the loading screen
Before proceeding with the validation of the resource, it is necessary to verify that the semantic resource complies with the rules defined in the Catalogue Guide .
After selecting and uploading the semantic resource, you can proceed with the validation.

Descriptive image of the semantic resource validation page
It is advisable to carefully examine the messages returned at the end of the validation to correct any critical issues before the publication of the resource.
If there is an error during validation, the system automatically reports problems in the file.
Quando viene rivelato un errore, il validatore mostrerà un messaggio dettagliato, indicante:
Inoltre, sarà possibile scaricare la lista completa degli errori riscontrati, utile per effettuare un’analisi approfondita e correggere il file Turtle.

Descriptive image of validation error example
During validation, in addition to errors, the validator can also report warnings, or warnings that indicate potential problems or shortcomings in the Turtle file.
The list of warnings shows the detected problems that, while not preventing the validation of the document, can compromise the completeness or correctness of the metadata. Each warning provides information including:

Descriptive image of an example of a validation warning
When the validation of the semantic resource is completed without errors, the system returns a positive result, indicating that the Turtle file complies with the rules provided.
If successful:

Descriptive image of the positive validation result