Collaborative Filtering Prone to Popularity Bias, Resulting in Overrepresentation of Popular Items in the Recommendation Outputs
Date: 2022-03-01
Affected: Facebook, Linkedin, Netflix, Twitter, Youtube
Attack vector: other
Category: real-world
Severity: High

AI Incident Database (AIID) entry #168: Collaborative Filtering Prone to Popularity Bias, Resulting in Overrepresentation of Popular Items in the Recommendation Outputs. Alleged deployer/developer: Facebook, Linkedin, Netflix, Twitter, Youtube. See the linked AIID entry for full narrative, sourcing, and classification.


Mitigations:

Architectural layers (MAESTRO):