Search Results for author: Joao Fonseca

Found 4 papers, 1 papers with code

ShaRP: Explaining Rankings with Shapley Values

no code implementations30 Jan 2024 Venetia Pliatsika, Joao Fonseca, Tilun Wang, Julia Stoyanovich

Using ShaRP, we show that even when the scoring function used by an algorithmic ranker is known and linear, the weight of each feature does not correspond to its Shapley value contribution.

Fairness in Algorithmic Recourse Through the Lens of Substantive Equality of Opportunity

no code implementations29 Jan 2024 Andrew Bell, Joao Fonseca, Carlo Abrate, Francesco Bonchi, Julia Stoyanovich

Building upon an agent-based framework for simulating recourse, this paper demonstrates how much effort is needed to overcome disparities in initial circumstances.

Decision Making Fairness

Setting the Right Expectations: Algorithmic Recourse Over Time

no code implementations13 Sep 2023 Joao Fonseca, Andrew Bell, Carlo Abrate, Francesco Bonchi, Julia Stoyanovich

The bulk of the literature on algorithmic recourse to-date focuses primarily on how to provide recourse to a single individual, overlooking a critical element: the effects of a continuously changing context.

Decision Making

Research Trends and Applications of Data Augmentation Algorithms

1 code implementation18 Jul 2022 Joao Fonseca, Fernando Bacao

In this paper we identify the main areas of application of data augmentation algorithms, the types of algorithms used, significant research trends, their progression over time and research gaps in data augmentation literature.

Data Augmentation

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