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  4. RANKING PROBLEMS IN THE PRESENCE OF IMPLICIT BIAS

RANKING PROBLEMS IN THE PRESENCE OF IMPLICIT BIAS

File(s)
Bayoumi_cornell_0058_11599.pdf (470.93 KB)
Permanent Link(s)
https://doi.org/10.7298/gx14-4a22
https://hdl.handle.net/1813/113004
Collections
Cornell Theses and Dissertations
Author
Bayoumi, Magd
Abstract

Implicit bias is the unconscious attribution of particular qualities (or lack of) to a member from a particular social group (e.g. defined by race or gender). Studies on implicit bias have shown that these unconscious stereotypes can have adverse outcomes in various social contexts, such as job screening, teaching, or policing. This dissertation advocates for an application of fairness based re-ranking methods to improve the fairness to all items which, to some surprise, comes with little cost to or can even improve the utility. We present our key contributions in ranking when in the presence of implicit bias. This includes the development of a theorem where we prove that under simplifying assumptions on the utilities of items, simple, well-studied, constraints can ensure that the utility does not decrease with respect to a naive ranking. Finally, we augment our theoretical results with empirical findings on real-world distributions from the IIT-JEE (2009) dataset.

Description
58 pages
Date Issued
2022-12
Keywords
Artificial Intelligence
•
Bias and Fairness
•
Machine Learning
Committee Chair
Joachims, Thorsten
Committee Member
Cardie, Claire
Degree Discipline
Computer Science
Degree Name
M.S., Computer Science
Degree Level
Master of Science
Rights
Attribution-NoDerivatives 4.0 International
Rights URI
https://creativecommons.org/licenses/by-nd/4.0/
Type
dissertation or thesis
Link(s) to Catalog Record
https://newcatalog.library.cornell.edu/catalog/15644158

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