Search Results for author: Sen Cui

Found 8 papers, 4 papers with code

Bipartite Ranking Fairness through a Model Agnostic Ordering Adjustment

1 code implementation27 Jul 2023 Sen Cui, Weishen Pan, ChangShui Zhang, Fei Wang

xOrder consistently achieves a better balance between the algorithm utility and ranking fairness on a variety of datasets with different metrics.

Fairness

Collaborate to Defend Against Adversarial Attacks

no code implementations29 Sep 2021 Sen Cui, Jingfeng Zhang, Jian Liang, Masashi Sugiyama, ChangShui Zhang

However, an ensemble still wastes the limited capacity of multiple models.

Correcting the User Feedback-Loop Bias for Recommendation Systems

no code implementations13 Sep 2021 Weishen Pan, Sen Cui, Hongyi Wen, Kun Chen, ChangShui Zhang, Fei Wang

We empirically validated the existence of such user feedback-loop bias in real world recommendation systems and compared the performance of our method with the baseline models that are either without de-biasing or with propensity scores estimated by other methods.

Recommendation Systems Selection bias

Addressing Algorithmic Disparity and Performance Inconsistency in Federated Learning

1 code implementation NeurIPS 2021 Sen Cui, Weishen Pan, Jian Liang, ChangShui Zhang, Fei Wang

In this paper, we propose an FL framework to jointly consider performance consistency and algorithmic fairness across different local clients (data sources).

Fairness Federated Learning

Collaboration Equilibrium in Federated Learning

1 code implementation18 Aug 2021 Sen Cui, Jian Liang, Weishen Pan, Kun Chen, ChangShui Zhang, Fei Wang

Federated learning (FL) refers to the paradigm of learning models over a collaborative research network involving multiple clients without sacrificing privacy.

Federated Learning

Explaining Algorithmic Fairness Through Fairness-Aware Causal Path Decomposition

no code implementations11 Aug 2021 Weishen Pan, Sen Cui, Jiang Bian, ChangShui Zhang, Fei Wang

Algorithmic fairness has aroused considerable interests in data mining and machine learning communities recently.

Attribute Fairness +1

Unsupervised Disentanglement Learning by intervention

no code implementations1 Jan 2021 Weishen Pan, Sen Cui, ChangShui Zhang

In this paper, we focus on the unsupervised learning of disentanglement in a general setting which the generative factors may be correlated.

Disentanglement Translation

Towards Model-Agnostic Post-Hoc Adjustment for Balancing Ranking Fairness and Algorithm Utility

1 code implementation15 Jun 2020 Sen Cui, Weishen Pan, Chang-Shui Zhang, Fei Wang

Bipartite ranking, which aims to learn a scoring function that ranks positive individuals higher than negative ones from labeled data, is widely adopted in various applications where sample prioritization is needed.

Fairness

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