费尔波特:平衡AUC性能和公平性与比例最佳运输
Pengxi Liu1, Yi Shen1, Matthew M Engelhard1
1Duke University.
Proceedings of the AAAI/ACM Conference on AI, Ethics, and Society
|December 4, 2025
概括
公平比例最佳运输 (FairPOT) 通过选择性调整风险得分,在医疗保健和金融等领域平衡公平性和绩效,提高人工智能的公平性.
科学领域:
- 机器学习 机器学习
- 算法公平性 算法公平性
- 数据科学数据科学数据科学
背景情况:
- 使用曲线下的面积 (AUC) 的公平度量在高风险领域至关重要.
- 强制执行严格的公平性往往会影响 AUC 的表现,尤其是风险评分.
- 现有的方法很难有效地平衡公平性和实用性.
研究的目的:
- 引入公平的比例最佳运输 (FairPOT),这是一个新的后处理框架,用于模型不可知的公平性.
- 为了在减少AUC差异和保持整体AUC性能之间实现可调节的权衡.
- 将公平性干预扩展到部分AUC设置,专注于高风险预测.
主要方法:
- 费尔波特采用最优的运输来调整跨组的风险分数分布.
- 它可以选择性地转换弱势群体中可控制的比例 (顶端-λ量子) 的分数.
- 该框架扩展到部分AUC场景,专注于关键预测区域.
主要成果:
- 在全球和部分AUC设置中,FairPOT的性能始终优于现有的后处理技术.
- 它以最小的AUC退化实现了更好的公平性,有时甚至提高了实用性.
- 在各种数据集上的实验验验证了FairPOT的有效性和适应性.
结论:
- FairPOT为实现算法公平性提供了一个计算效率高,适应性强的解决方案.
- 该方法提供了一个可调节的方法,在基于风险评分的系统中平衡公平性和绩效.
- FairPOT是一个有前途的工具,用于在敏感应用中实现现实世界的部署.
相关概念视频
01:26Equity Theory
238
Equity theory explains how our sense of fairness influences the dynamics of close relationships. Rooted in social psychology, the theory posits that individuals evaluate fairness by comparing the ratio of their contributions to the rewards they receive. Relationship satisfaction is highest when these ratios are perceived as balanced between partners, promoting mutual reciprocity and a sense of justice.Equity vs. Equality in RelationshipsEquity is distinct from equality. Fairness does not...
238
00:48Optimal Foraging
13.5K
How animals obtain and eat their food is called foraging behavior. Foraging can include searching for plants and hunting for prey and depends on the species and environment.
13.5K
00:57Weighted Mean
6.2K
While taking the arithmetic, geometric, or harmonic mean of a sample data set, equal importance is assigned to all the data points. However, all the values may not always be equally important in some data sets. An intrinsic bias might make it more important to give more weightage to specific values over others.
For example, consider the number of goals scored in the matches of a tournament. While computing the average number of goals scored in the tournament, it may be more important to...
For example, consider the number of goals scored in the matches of a tournament. While computing the average number of goals scored in the tournament, it may be more important to...
6.2K
02:12Short-distance Transport of Resources
17.4K
Short-distance transport refers to transport that occurs over a distance of just 2-3 cells, crossing the plasma membrane in the process. Small uncharged molecules, such as oxygen, carbon dioxide, and water, can diffuse across the plasma membrane on their own. In contrast, ions and larger molecules require the assistance of transport proteins due to their charge or size. Transport across membranes also occurs within individual cells, playing a variety of essential roles for the plant as a whole.
17.4K
01:24Reynolds Transport Theorem
1.8K
The Reynolds transport theorem provides a framework to relate the time rate of change of an extensive property within a system to that in a control volume, which is crucial for analyzing fluid dynamics. Extensive properties, such as mass, velocity, acceleration, temperature, and momentum, can be expressed in terms of the mass of a fluid portion. These properties are called extensive because they depend on the system's size, while intensive properties are their corresponding values per unit...
1.8K
01:07Time-Domain Interpretation of PD Control
351
Proportional-Derivative (PD) control is a widely used control method in various engineering systems to enhance stability and performance. In a system with only proportional control, common issues include high maximum overshoot and oscillation, observed in both the error signal and its rate of change. This behavior can be divided into three distinct phases: initial overshoot, subsequent undershoot, and gradual stabilization.
Consider the example of control of motor torque. Initially, a positive...
Consider the example of control of motor torque. Initially, a positive...
351