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التشويش الخوارزمي

2020
  • Sharad Goel
  • Ravi Shroff
  • Jennifer Skeem
  • Christopher Slobogin
Team of data scientists analyzing algorithmic confounding in AI applications.

(صورة توضيحية فقط)

Algorithmic confounding occurs when a الوكيل variable used by an algorithm is correlated with a protected attribute (like race or gender) and also with the outcome of interest. The algorithm may inadvertently learn to discriminate based on the protected attribute by using the proxy, even if the protected attribute itself is explicitly excluded from the model’s input data.

Algorithmic confounding is a subtle but powerful source of bias. It arises because machine learning models are exceptionally good at finding statistical correlations, even spurious ones. While a developer might remove a sensitive feature like ‘race’ to prevent discrimination, the model can latch onto other features that act as الوكلاء. A classic example is the use of ZIP codes in loan applications. Due to historical residential segregation, ZIP codes can be highly correlated with race. An algorithm might learn that applicants from certain ZIP codes are higher risk, not because of their location, but because the location is a proxy for a racial group that has historically been denied loans, creating a feedback loop of discrimination.

عالم الابتكار

UNESCO Nomenclature: 1203
– Computer science

يكتب

نظام مجرد

خلل

Incremental

الاستخدام

استخدام واسع النطاق

مقدمات

  • concept of confounding variables in statistics and epidemiology
  • legal doctrine of disparate impact
  • research on redlining and housing discrimination
  • development of machine learning classification algorithms

التطبيقات

  • auditing of pre-trial تقييم المخاطر tools like COMPAS
  • development of proxy-aware bias detection methods
  • design of fair credit scoring models that avoid redlining proxies
  • improving fairness in automated hiring systems by identifying and mitigating confounding variables

براءات الاختراع:

NA

أفكار ابتكارية محتملة

  • automated proxy detection tools that scan datasets for potential confounding variables
  • causal inference-based machine learning models that can disentangle the effects of proxies from legitimate predictive factors
  • privacy-preserving algorithms that minimize the inclusion of data that could serve as proxies for sensitive attributes
  • ‘proxy-free’ data generation techniques for training fairer models
  • consulting services specializing in identifying and mitigating algorithmic confounding for businesses
  • interactive dashboards for policymakers to explore how different variables in public datasets might act as proxies
  • certification programs for AI systems that verify they are free from common confounding التحيزات
  • explainable AI (XAI) methods specifically designed to highlight the influence of potential proxy variables on model decisions
  • legal frameworks that explicitly define and prohibit the use of known proxy variables for discrimination
  • crowdsourced platforms for identifying and reporting potential proxy variables in widely used algorithms
Related to: algorithmic confounding, proxy variable, disparate impact, algorithmic bias, machine learning, fairness, redlining, protected attributes, indirect discrimination, causal inference.

السياق التاريخي

التشويش الخوارزمي

1997-04-23
2001
2010
2020
1993
1998
2010
2016

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