Enable and calculate data similarity

To show similar assets, data similarity must be enabled in your environment and similarity scores must be calculated for your data.

Tip Even if data similarity is enabled in your environment, you can specify that you don't want to calculate similarity scores for a data source.

Before you begin

Important 
  • Data similarity is a cloud-only feature and is not certified for FedRAMP.
  • This feature is in Beta testing.

Steps

Step More details
1

In the Service Configuration settings, enable the Calculate Data Similarity (Beta) profiling setting.

Data similarity scores can be calculated when you profile a data source via Edge.

Depending on your environment, follow this procedure either in the Services Configuration section of the Collibra settings or in Collibra Console:

Prerequisites

Steps

  1. Open the Services Configuration page.
    1. On the main menu, click , and then click Settings.
      The Collibra settings page opens.
    2. In the tab pane, click Services Configuration.
    3. Click Edit configuration.
    Open the DGC service settings for editing:
    1. Open Collibra Console.
      Collibra Console opens with the Infrastructure page.
    2. In the tab pane, expand an environment to show its services.
    3. In the tab pane, click the Data Governance Center service of that environment.
    4. Click Configuration.
    5. Click Edit configuration.
  2. Go to the Data profiling section.
  3. In the Data profiling section, enable the Calculate Data Similarity (Beta) setting.
  4. Click Save all.
2

In the Collibra settings, enable the Data Similarity (Beta) setting for Data Marketplace.

If, for the Table asset, some assets have a similarity score higher than 50%, the Similar Data tab is visible in the Data Marketplace asset preview.

Before you begin

The Settings landing page is enabled.

Required permissions

You are an administrator in Data Marketplace.

Steps

  1. On the main menu, click , and then click Settings.
    The Collibra settings page opens.
  2. In the Data Marketplace section, click Extra Options.
  3. Select the Show Similar Data checkbox.
  4. Click Save.
3

Register a data source via Edge and profile the data.

Similarity scores are calculated for the profiled Table assets.

Important 

If you don't want to calculate similarity scores for a data source during profiling, you can deactivate the calculation via the profiling capability configuration. In the capability, add the following parameter in the Other section:

  • Name: data-similarity
  • Type: Text
  • Encryption: Not encrypted (plain text)
  • Value: false

What's next?

If a data consumer in Data Marketplace opens a Table asset preview, and similar assets are available for this table, the Similar Data tab is shown.