Search Results for author: Juba Ziani

Found 11 papers, 2 papers with code

Bayesian Strategic Classification

no code implementations13 Feb 2024 Lee Cohen, Saeed Sharifi-Malvajerdi, Kevin Stangl, Ali Vakilian, Juba Ziani

We initiate the study of partial information release by the learner in strategic classification.

Classification

Personalized Differential Privacy for Ridge Regression

1 code implementation30 Jan 2024 Krishna Acharya, Franziska Boenisch, Rakshit Naidu, Juba Ziani

DP requires to specify a uniform privacy level $\varepsilon$ that expresses the maximum privacy loss that each data point in the entire dataset is willing to tolerate.

regression

Oracle Efficient Algorithms for Groupwise Regret

no code implementations7 Oct 2023 Krishna Acharya, Eshwar Ram Arunachaleswaran, Sampath Kannan, Aaron Roth, Juba Ziani

Our approach gives similar regret guarantees compared to [Blum & Lykouris]; however, we run in time linear in the number of groups, and are oracle-efficient in the hypothesis class.

Combinatorial Optimization

Randomized Quantization is All You Need for Differential Privacy in Federated Learning

no code implementations20 Jun 2023 Yeojoon Youn, Zihao Hu, Juba Ziani, Jacob Abernethy

To the best of our knowledge, this is the first study that solely relies on randomized quantization without incorporating explicit discrete noise to achieve Renyi DP guarantees in Federated Learning systems.

Federated Learning Quantization

Sequential Strategic Screening

no code implementations31 Jan 2023 Lee Cohen, Saeed Sharifi-Malvajerdi, Kevin Stangl, Ali Vakilian, Juba Ziani

We initiate the study of strategic behavior in screening processes with multiple classifiers.

Information Discrepancy in Strategic Learning

no code implementations1 Mar 2021 Yahav Bechavod, Chara Podimata, Zhiwei Steven Wu, Juba Ziani

We initiate the study of the effects of non-transparency in decision rules on individuals' ability to improve in strategic learning settings.

Decision Making

Gaming Helps! Learning from Strategic Interactions in Natural Dynamics

no code implementations17 Feb 2020 Yahav Bechavod, Katrina Ligett, Zhiwei Steven Wu, Juba Ziani

We consider an online regression setting in which individuals adapt to the regression model: arriving individuals are aware of the current model, and invest strategically in modifying their own features so as to improve the predicted score that the current model assigns to them.

Causal Discovery regression

Pipeline Interventions

no code implementations16 Feb 2020 Eshwar Ram Arunachaleswaran, Sampath Kannan, Aaron Roth, Juba Ziani

We consider two objectives: social welfare maximization, and a fairness-motivated maximin objective that seeks to maximize the value to the population (starting node) with the \emph{least} expected value.

Fairness

Downstream Effects of Affirmative Action

no code implementations27 Aug 2018 Sampath Kannan, Aaron Roth, Juba Ziani

We show that both goals can be achieved when the college does not report grades.

Fairness Vocal Bursts Type Prediction

Inference on Auctions with Weak Assumptions on Information

no code implementations10 Oct 2017 Vasilis Syrgkanis, Elie Tamer, Juba Ziani

Given a sample of bids from independent auctions, this paper examines the question of inference on auction fundamentals (e. g. valuation distributions, welfare measures) under weak assumptions on information structure.

counterfactual Econometrics

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