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Researcher profile

Nikos Parotsidis

2 papers in the PaperMetrix corpus

Publications

Papers by this author

  1. Online Reciprocal Recommendation with Theoretical Performance Guarantees

    2018 · arXiv (Cornell University)

    A reciprocal recommendation problem is one where the goal of learning is not just to predict a user's preference towards a passive item (e.g., a book), but to recommend the targeted user on one side …

  2. Multi-Swap $k$-Means++

    2023 · arXiv (Cornell University)

    The $k$-means++ algorithm of Arthur and Vassilvitskii (SODA 2007) is often the practitioners' choice algorithm for optimizing the popular $k$-means clustering objective and is known to give an $O(\log k)$-approximation in expectation. To obtain higher …