Recommender Systems Notation: Proposed Common Notation for Teaching and Research

@article{Ekstrand2019RecommenderSN,
  title={Recommender Systems Notation: Proposed Common Notation for Teaching and Research},
  author={Michael D. Ekstrand and Joseph A. Konstan},
  journal={ArXiv},
  year={2019},
  volume={abs/1902.01348}
}
As the field of recommender systems has developed, authors have used a myriad of notations for describing the mathematical workings of recommendation algorithms. These notations ap-pear in research papers, books, lecture notes, blog posts, and software documentation. The dis-ciplinary diversity of the field has not contributed to consistency in notation; scholars whose home base is in information retrieval have different habits and expectations than those in ma-chine learning or human-computer… CONTINUE READING
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