Search Results for author: Giovanni Pellegrini

Found 4 papers, 2 papers with code

Fairness for All: Investigating Harms to Within-Group Individuals in Producer Fairness Re-ranking Optimization -- A Reproducibility Study

no code implementations17 Sep 2023 Giovanni Pellegrini, Vittorio Maria Faraco, Yashar Deldjoo

This study reproduces previous PFR approaches and shows that they significantly harm colder items, leading to a fairness gap for these items in both advantaged and disadvantaged groups.

Fairness Recommendation Systems +1

Phase-Retrieval with Incomplete Autocorrelations Using Deep Convolutional Autoencoders

1 code implementation18 Apr 2023 Giovanni Pellegrini, Jacopo Bertolotti

Phase-retrieval techniques aim to recover the original signal from just the modulus of its Fourier transform, which is usually much easier to measure than its phase, but the standard iterative techniques tend to fail if only part of the modulus information is available.

Retrieval

Learning Aggregation Functions

1 code implementation15 Dec 2020 Giovanni Pellegrini, Alessandro Tibo, Paolo Frasconi, Andrea Passerini, Manfred Jaeger

Learning on sets is increasingly gaining attention in the machine learning community, due to its widespread applicability.

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