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If you want to enable or disable entities for an existing dataset, you can do so from the Dataset settings page. To navigate to this page, click the 
icon at the top of whichever page you are on.
Figure: Dataset settings page
To enable entities, click the '+ Add new Entity' button and select your entities of choice from the dropdown menu that appears.
To remove any selected entities, simply click the 'X' icon next to the entity name.
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