Accurate is not always good: How Accuracy Metrics have hurt Recommender Systems

@inproceedings{McNee2006AccurateIN,
  title={Accurate is not always good: How Accuracy Metrics have hurt Recommender Systems},
  author={Sean M. McNee and John Thomas Riedl and Joseph A. Konstan},
  year={2006}
}
Recommender systems have shown great potential to help users find interesting and relevant items from within a large information space. Most research up to this point has focused on improving the accuracy of recommender systems. We believe that not only has this narrow focus been misguided, but has even been detrimental to the field. The recommendations that are most accurate according to the standard metrics are sometimes not the recommendations that are most useful to users. In this paper, we… CONTINUE READING
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