
#3: Bandits and Simulators for Recommenders with Olivier Jeunen
Recsperts - Recommender Systems Experts
The Problem With a Recommendation System
In theory, a recommender should be showing things uniformly at random. But when you don't show certain recommendations, you're never sure whether they would or would not have led to a click. And so if you're not specific, you not only need to record what users clicked like or even how they rated stuff but actually also what they have been shown, but never interacted with that.
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