Updating an existing semantic type

You can edit an existing semantic type in Talend Dictionary Service to impact how you data is validated in the sample view of the application.

Predefined semantic types are based on standard values, but you may need to tailor them to match your own data. Some data that you would expect to fall under a predefined category, may be considered invalid.

Let's take the example of a dataset containing a list of customers, with their email addresses, date of birth, and the country they live in. You can notice that all the entries for America are considered invalid. While it is indeed not a valid country name, it is the value that your company is using and you want to make it a valid value.

The problem here is that America is not one of the expected value for the country semantic type in Talend Dictionary Service. The valid entry in this case would be United States or United States of America.

To avoid having this problem in the future, you will update the country semantic type in Talend Dictionary Service, and add America to the list of valid entries. The change will be automatically available in Talend Cloud Data Inventory and the other cloud applications.