A Voting-Based System for Ethical Decision Making
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Abstract (arXiv)
We present a general approach to automating ethical decisions, drawing on machine learning and computational social choice. In a nutshell, we propose to learn a model of societal preferences, and, when faced with a specific ethical dilemma at runtime, efficiently aggregate those preferences to identify a desirable choice. We provide a concrete algorithm that instantiates our approach; some of its crucial steps are informed by a new theory of swap-dominance efficient voting rules. Finally, we implement and evaluate a system for ethical decision making in the autonomous vehicle domain, using preference data collected from 1.3 million people through the Moral Machine website.
Key facts. Cited by 55 papers in the map (data through 13 Oct 2026). First posted on arXiv 20 Sep 2017.
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Citing papers per year: 2018: 1; 2019: 0; 2020: 0; 2021: 2; 2022: 7; 2023: 12; 2024: 14; 2025: 10; 2026: 9.
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- 2023Open Problems and Fundamental Limitations of Reinforcement Learning from Human Feedbackcited by 751
- 2024Social Choice Should Guide AI Alignment in Dealing with Diverse Human Feedbackcited by 100
- 2023The Participatory Turn in AI Design: Theoretical Foundations and the Current State of Practicecited by 87
- 2024Axioms for AI Alignment from Human Feedbackcited by 52
- 2023Generative Social Choicecited by 43
- 2023AI Alignment and Social Choice: Fundamental Limitations and Policy Implicationscited by 35
- 2023Moral Machine or Tyranny of the Majority?cited by 22
- 2023Proportional Aggregation of Preferences for Sequential Decision Makingcited by 17
- 2022Imagining new futures beyond predictive systems in child welfare: A qualitative study with impacted stakeholderscited by 15
- 2024Preference Poisoning Attacks on Reward Model Learningcited by 14
- 2025The Staircase of Ethics: Probing LLM Value Priorities through Multi-Step Induction to Complex Moral Dilemmascited by 13
- 2022Metaethical Perspectives on 'Benchmarking' AI Ethicscited by 12
38 more
- 2024On Goodhart's law, with an application to value alignmentcited by 9
- 2025Can AI Model the Complexities of Human Moral Decision-Making? A Qualitative Study of Kidney Allocation Decisionscited by 9
- 2023Designing Fiduciary Artificial Intelligencecited by 8
- 2024Learning Linear Utility Functions From Pairwise Comparison Queriescited by 7
- 2024On the Pros and Cons of Active Learning for Moral Preference Elicitationcited by 7
- 2024On The Stability of Moral Preferences: A Problem with Computational Elicitation Methodscited by 7
- 2025From Multi-Agent Systems and the Semantic Web to Agentic AI: A Unified Narrative of the Web of Agentscited by 7
- 2022Moral Dilemmas for Moral Machinescited by 6
- 2025Moral Change or Noise? On Problems of Aligning AI With Temporally Unstable Human Feedbackcited by 6
- 2022When Is It Acceptable to Break the Rules? Knowledge Representation of Moral Judgement Based on Empirical Datacited by 5
- 2024Learning How to Vote with Principles: Axiomatic Insights Into the Collective Decisions of Neural Networkscited by 5
- 2022Human-centered mechanism design with Democratic AIcited by 3
- 2022Artificial virtuous agents in a multiagent tragedy of the commonscited by 3
- 2023Measuring Value Alignmentcited by 3
- 2025Towards Cognitively-Faithful Decision-Making Models to Improve AI Alignmentcited by 3
- 2021Egalitarian Judgment Aggregationcited by 2
- 2023If our aim is to build morality into an artificial agent, how might we begin to go about doing so?cited by 2
- 2026MoralityGym: A Benchmark for Evaluating Hierarchical Moral Alignment in Sequential Decision-Making Agentscited by 2
- 2021Strategyproof Learning: Building Trustworthy User-Generated Datasetscited by 1
- 2024Mapping the Potential of Explainable AI for Fairness Along the AI Lifecyclecited by 1
- 2024Intuitions of Compromise: Utilitarianism vs. Contractualismcited by 1
- 2024Democratizing Reward Design for Personal and Representative Value-Alignmentcited by 1
- 2025Generalizing while preserving monotonicity in comparison-based preference learning modelscited by 1
- 2025Weighted Assumption Based Argumentation to reason about ethical principles and actionscited by 1
- 2026Linear Social Choice with Few Queries: A Moment-Based Approachcited by 1
- 2026The End Justifies the Mean: A Linear Ranking Rule for Proportional Sequential Decisionscited by 1
- 2018A Roadmap for Robust End-to-End Alignmentcited by 0
- 2022Finding Common Ground for Incoherent Horn Expressionscited by 0
- 2023Deep Learning and Ethicscited by 0
- 2023A Case for AI Safety via Lawcited by 0
- 2023Dynamic value alignment through preference aggregation of multiple objectivescited by 0
- 2024AI, Pluralism, and (Social) Compensationcited by 0
- 2024Why should we ever automate moral decision making?cited by 0
- 2024Virtue Ethics For Ethically Tunable Robotic Assistantscited by 0
- 2025A Case for Specialisation in Non-Human Entitiescited by 0
- 2025On Monotonicity in AI Alignmentcited by 0
- 2025Coordination Requires Simplification: Thermodynamic Bounds on Multi-Objective Compromise in Natural and Artificial Intelligencecited by 0
- 2026AI of the People, by the People, for the People: A Social Choice Approach to Collective Control of Artificial Intelligencecited by 0
50 most cited of 55 All 55 (JSON)
- 2026Contextual Value Alignment via Multilayer Combinatorial Fusion7 Aug 2026
- 2026Position: We Need Practical AI Alignment Methods to Mirror Human Reasoning20 Jul 2026
- 2026Large Language Models Should Learn Personalized Rather Than Aggregated Human Preferences30 May 2026
- 2026Learning What Evaluators Value: A Reliable Approach to Modeling Evaluator Preferences15 May 2026
- 2026The End Justifies the Mean: A Linear Ranking Rule for Proportional Sequential Decisions12 May 2026
- 2026An Ethical eValuation Agent (EeVA): Results of a Proof-of-Concept Test on a Prototype Agentic-like Workflow to Assist Ethical Deliberations5 May 2026
- 2026AI of the People, by the People, for the People: A Social Choice Approach to Collective Control of Artificial Intelligence14 Apr 2026
- 2026Linear Social Choice with Few Queries: A Moment-Based Approach19 Mar 2026
- 2026MoralityGym: A Benchmark for Evaluating Hierarchical Moral Alignment in Sequential Decision-Making Agents13 Feb 2026
- 2025Moral Change or Noise? On Problems of Aligning AI With Temporally Unstable Human Feedback13 Nov 2025
- 2025Coordination Requires Simplification: Thermodynamic Bounds on Multi-Objective Compromise in Natural and Artificial Intelligence27 Sep 2025
- 2025Towards Cognitively-Faithful Decision-Making Models to Improve AI Alignment4 Sep 2025
38 more
- 2025From Multi-Agent Systems and the Semantic Web to Agentic AI: A Unified Narrative of the Web of Agents14 Jul 2025
- 2025Weighted Assumption Based Argumentation to reason about ethical principles and actions22 Jun 2025
- 2025On Monotonicity in AI Alignment10 Jun 2025
- 2025Generalizing while preserving monotonicity in comparison-based preference learning models10 Jun 2025
- 2025The Staircase of Ethics: Probing LLM Value Priorities through Multi-Step Induction to Complex Moral Dilemmas23 May 2025
- 2025Can AI Model the Complexities of Human Moral Decision-Making? A Qualitative Study of Kidney Allocation Decisions2 Mar 2025
- 2025A Case for Specialisation in Non-Human Entities5 Feb 2025
- 2024Democratizing Reward Design for Personal and Representative Value-Alignment29 Oct 2024
- 2024Learning How to Vote with Principles: Axiomatic Insights Into the Collective Decisions of Neural Networks21 Oct 2024
- 2024On Goodhart's law, with an application to value alignment12 Oct 2024
- 2024Intuitions of Compromise: Utilitarianism vs. Contractualism7 Oct 2024
- 2024On The Stability of Moral Preferences: A Problem with Computational Elicitation Methods5 Aug 2024
- 2024On the Pros and Cons of Active Learning for Moral Preference Elicitation26 Jul 2024
- 2024Virtue Ethics For Ethically Tunable Robotic Assistants23 Jul 2024
- 2024Why should we ever automate moral decision making?10 Jul 2024
- 2024Axioms for AI Alignment from Human Feedback23 May 2024
- 2024Learning Linear Utility Functions From Pairwise Comparison Queries4 May 2024
- 2024AI, Pluralism, and (Social) Compensation30 Apr 2024
- 2024Mapping the Potential of Explainable AI for Fairness Along the AI Lifecycle29 Apr 2024
- 2024Social Choice Should Guide AI Alignment in Dealing with Diverse Human Feedback16 Apr 2024
- 2024Preference Poisoning Attacks on Reward Model Learning2 Feb 2024
- 2023Measuring Value Alignment23 Dec 2023
- 2023AI Alignment and Social Choice: Fundamental Limitations and Policy Implications24 Oct 2023
- 2023If our aim is to build morality into an artificial agent, how might we begin to go about doing so?12 Oct 2023
- 2023Dynamic value alignment through preference aggregation of multiple objectives9 Oct 2023
- 2023The Participatory Turn in AI Design: Theoretical Foundations and the Current State of Practice2 Oct 2023
- 2023Generative Social Choice3 Sep 2023
- 2023A Case for AI Safety via Law31 Jul 2023
- 2023Designing Fiduciary Artificial Intelligence27 Jul 2023
- 2023Open Problems and Fundamental Limitations of Reinforcement Learning from Human Feedback27 Jul 2023
- 2023Proportional Aggregation of Preferences for Sequential Decision Making26 Jun 2023
- 2023Moral Machine or Tyranny of the Majority?27 May 2023
- 2023Deep Learning and Ethics24 May 2023
- 2022Artificial virtuous agents in a multiagent tragedy of the commons6 Oct 2022
- 2022Finding Common Ground for Incoherent Horn Expressions14 Sep 2022
- 2022Imagining new futures beyond predictive systems in child welfare: A qualitative study with impacted stakeholders18 May 2022
- 2022Metaethical Perspectives on 'Benchmarking' AI Ethics11 Apr 2022
- 2022Moral Dilemmas for Moral Machines11 Mar 2022
50 newest of 55 All 55 (JSON)
- 2023Open Problems and Fundamental Limitations of Reinforcement Learning from Human Feedbackcited by 751
- 2024Social Choice Should Guide AI Alignment in Dealing with Diverse Human Feedbackcited by 100
- 2024Axioms for AI Alignment from Human Feedbackcited by 52
- 2023AI Alignment and Social Choice: Fundamental Limitations and Policy Implicationscited by 35
- 2024Preference Poisoning Attacks on Reward Model Learningcited by 14
- 2025Moral Change or Noise? On Problems of Aligning AI With Temporally Unstable Human Feedbackcited by 6
- 2023Measuring Value Alignmentcited by 3
- 2024Democratizing Reward Design for Personal and Representative Value-Alignmentcited by 1
- 2018A Roadmap for Robust End-to-End Alignmentcited by 0
- 2025On Monotonicity in AI Alignmentcited by 0
- 2026Large Language Models Should Learn Personalized Rather Than Aggregated Human Preferencescited by 0
- 2026Contextual Value Alignment via Multilayer Combinatorial Fusioncited by 0
- 2026Contextual Value Alignment via Multilayer Combinatorial Fusion7 Aug 2026
- 2026Large Language Models Should Learn Personalized Rather Than Aggregated Human Preferences30 May 2026
- 2025Moral Change or Noise? On Problems of Aligning AI With Temporally Unstable Human Feedback13 Nov 2025
- 2025On Monotonicity in AI Alignment10 Jun 2025
- 2024Democratizing Reward Design for Personal and Representative Value-Alignment29 Oct 2024
- 2024Axioms for AI Alignment from Human Feedback23 May 2024
- 2024Social Choice Should Guide AI Alignment in Dealing with Diverse Human Feedback16 Apr 2024
- 2024Preference Poisoning Attacks on Reward Model Learning2 Feb 2024
- 2023Measuring Value Alignment23 Dec 2023
- 2023AI Alignment and Social Choice: Fundamental Limitations and Policy Implications24 Oct 2023
- 2023Open Problems and Fundamental Limitations of Reinforcement Learning from Human Feedback27 Jul 2023
- 2018A Roadmap for Robust End-to-End Alignment4 Sep 2018
- 2023The Participatory Turn in AI Design: Theoretical Foundations and the Current State of Practicecited by 87
- 2023Generative Social Choicecited by 43
- 2023Moral Machine or Tyranny of the Majority?cited by 22
- 2023Proportional Aggregation of Preferences for Sequential Decision Makingcited by 17
- 2022Imagining new futures beyond predictive systems in child welfare: A qualitative study with impacted stakeholderscited by 15
- 2022Metaethical Perspectives on 'Benchmarking' AI Ethicscited by 12
- 2024On Goodhart's law, with an application to value alignmentcited by 9
- 2025Can AI Model the Complexities of Human Moral Decision-Making? A Qualitative Study of Kidney Allocation Decisionscited by 9
- 2023Designing Fiduciary Artificial Intelligencecited by 8
- 2024Learning Linear Utility Functions From Pairwise Comparison Queriescited by 7
- 2024On the Pros and Cons of Active Learning for Moral Preference Elicitationcited by 7
- 2024On The Stability of Moral Preferences: A Problem with Computational Elicitation Methodscited by 7
12 most cited of 40 All 40 (JSON)
- 2026Position: We Need Practical AI Alignment Methods to Mirror Human Reasoning20 Jul 2026
- 2026Learning What Evaluators Value: A Reliable Approach to Modeling Evaluator Preferences15 May 2026
- 2026The End Justifies the Mean: A Linear Ranking Rule for Proportional Sequential Decisions12 May 2026
- 2026AI of the People, by the People, for the People: A Social Choice Approach to Collective Control of Artificial Intelligence14 Apr 2026
- 2026Linear Social Choice with Few Queries: A Moment-Based Approach19 Mar 2026
- 2026MoralityGym: A Benchmark for Evaluating Hierarchical Moral Alignment in Sequential Decision-Making Agents13 Feb 2026
- 2025Coordination Requires Simplification: Thermodynamic Bounds on Multi-Objective Compromise in Natural and Artificial Intelligence27 Sep 2025
- 2025Towards Cognitively-Faithful Decision-Making Models to Improve AI Alignment4 Sep 2025
- 2025Weighted Assumption Based Argumentation to reason about ethical principles and actions22 Jun 2025
- 2025Generalizing while preserving monotonicity in comparison-based preference learning models10 Jun 2025
- 2025Can AI Model the Complexities of Human Moral Decision-Making? A Qualitative Study of Kidney Allocation Decisions2 Mar 2025
- 2025A Case for Specialisation in Non-Human Entities5 Feb 2025
12 newest of 40 All 40 (JSON)