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Best Paper Honorable Mention Award for Prof. Sara Bernardini

  • Date04 March 2020

Prof. Sara Bernardini has received a Best Paper Honorable Mention award from the International Conference on Automated Planning and Scheduling 2020 (ICAPS '20) for her paper "Through the Lens of Sequence Submodularity".

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Prof. Sara Bernardini.

Prof. Sara Bernardini, together with collaborators Prof. Fabio Fagnani and Dr. Chiara Piacentini has received a Best Paper Honorable Mention Award at The International Conference on Automated Planning and Scheduling 2020 (ICAPS 2020 —

Title: Through the Lens of Sequence Submodularity

Abstract: Several real-world problems in engineering and applied science require the selection of sequences that maximize a given reward function. Optimizing over sequences as opposed to sets requires exploring an exponentially larger search space and can become prohibitive in most cases of practical interest. However, if the objective function is submodular (intuitively, it exhibits a diminishing return property), the optimization problem becomes more manageable. Recently, there has been increasing interest in sequence submodularity in connection with applications such as recommender systems and online ad allocation. However, mostly ad hoc models and solutions have emerged within these applicative contexts. In consequence, the field appears fragmented and lacks coherence. In this paper, we offer a unified view of sequence submodularity and provide a generalized greedy algorithm that enjoys strong theoretical guarantees. We show how our approach naturally captures several application domains, and our algorithm encompasses existing methods, improving over them.

Authors:  Sara Bernardini, Fabio Fagnani and Chiara Piacentini

Conference: The International Conference on Automated Planning and Scheduling 2020 (ICAPS 2020 —

Award: Best paper honorable mention award


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