2. Workshop Responsible Data Science - Data science without prejudice by Maurits Kaptein
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Transcript of 2. Workshop Responsible Data Science - Data science without prejudice by Maurits Kaptein
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2 Dec. 2017, JADS
Discussion on Fairness in Data Science
Moderated by Dr. Maurits C. Kaptein
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Fairness: How to avoid unfair conclusions?
Accuracy: How do we guarantee accuracy?
Confidentiality: How to not reveal secrets?
Transparency: How to make answers indisputable?
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First focus on Fairness; lets assume the model output is
accurate and transparent…
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What is Fairness?
- Non discriminating?
- Broader definitions?
- Veil of ignorance?
Canonical example of unfair Data Science: Higher bail-out charges for African Americans based on predicted risk of recurrence
Search for examples….
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Fair? (show of hands)
Decision to search a person in the airport based on
membership of a terrorist group.
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Fair?
Decision to search a person in the airport based on
religious beliefs.
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Fair?
Decision to search a person in the airport based on a set of
features that does not include religious belief, but does
predict it accurately.
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Fair?
Decision to search a person in the airport based on race.
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Fairness implemented:
- Is a distinct set of “non-permitted” features a sufficient
approach to ensure fairness? (again, assume the models
are accurate, etc.)
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Fairness implemented:
- Can we identify a such a feature set?
- How do we select these features? (legal framework, …)
- What if the non-permitted features are directly related to
permitted features?
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Fair?
Decision to change a medical treatment – to the benefit of
the patient – based on race.
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Fairness implemented:
- Can our permitted feature set be context independent?
Or does each problem need its own list? - Societal vs. personal gains?
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Discussion points:
- Can fairness be formalized?
- Is the current legal framework sufficient?
- Can we enforce / regulate fairness?
- …?