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Users-for-item recommendations retrieve the set of users who have interacted with an item, weighted by the number of interactions. This can be useful for community-driven use cases or for marketing campaigns. For example, on your organization’s intranet, clicking a search result could display the item plus a list of colleagues who have interacted with the same item. This is one type of collaborative recommendation.

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To enable this recommendation method, you only need to create a new collection and modify the configuration of the default recommender job, as explained below.
  1. How to enable users-for-item recommendations
  2. Navigate to Collections > Collections Manager.
  3. Click New
  4. Enter a collection name, such as <main-collection>_users_for_item_recommendations.
  5. Click Save Collection.
    You can safely disable signals for this new collection.
  6. In your main collection, verify that signals and recommendations are enabled.
  7. Navigate to Collections > Jobs.
  8. Open the COLLECTION_NAME_item_recommendations job.
  9. Click Advanced.
  10. In the Users-for-items Recommendation Collection field, enter the collection name COLLECTION_NAME_users_for_item_recommendations.
  11. Click Save.