7. Blacklist

Users can blacklist items, giving the algorithm an idea of their dislikes and preventing the algorithm from showing it again.

What can designers do with this pattern?

Source: unknown


Not found in the wild yet.

Input or output?


How do users control the algorithm?

Blacklisting an item gives the recommender feedback about your dislikes. It also directly prevents the algorithm from delivering particular output.

How do users understand the control?

Users may not have accurate ideas about the scope of the feedback they give through a blacklist action (e.g. single item or a whole categorie of content)

Related Patterns

Related algoritmic affordance pattern in this library are listed below.