Human Interaction with Recommendation Systems

1 Mar 2017  ·  Sven Schmit, Carlos Riquelme ·

Many recommendation algorithms rely on user data to generate recommendations. However, these recommendations also affect the data obtained from future users... This work aims to understand the effects of this dynamic interaction. We propose a simple model where users with heterogeneous preferences arrive over time. Based on this model, we prove that naive estimators, i.e. those which ignore this feedback loop, are not consistent. We show that consistent estimators are efficient in the presence of myopic agents. Our results are validated using extensive simulations. read more

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