Diversity of What? On the Different Conceptualizations of Diversity in Recommender Systems
arxiv(2024)
摘要
Diversity is a commonly known principle in the design of recommender systems,
but also ambiguous in its conceptualization. Through semi-structured interviews
we explore how practitioners at three different public service media
organizations in the Netherlands conceptualize diversity within the scope of
their recommender systems. We provide an overview of the goals that they have
with diversity in their systems, which aspects are relevant, and how
recommendations should be diversified. We show that even within this limited
domain, conceptualization of diversity greatly varies, and argue that it is
unlikely that a standardized conceptualization will be achieved. Instead, we
should focus on effective communication of what diversity in this particular
system means, thus allowing for operationalizations of diversity that are
capable of expressing the nuances and requirements of that particular domain.
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