Generating Deontic Obligations From Utility-Maximizing Systems
Generating Deontic Obligations From Utility-Maximizing Systems
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从效用最大化系统生成道义义务
DOI:
10.1145/3514094.3534163
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发表时间:
2022
期刊:
影响因子:
--
通讯作者:
Abbas, Houssam
中科院分区:
文献类型:
--
作者:
Shea-Blymyer, Colin;Abbas, Houssam
This work gives a logical characterization of the (ethical and social) obligations of an agent trained with Reinforcement Learning (RL). An RL agent takes actions by following a utility-maximizing policy. We maintain that the choice of utility function embeds ethical and social values implicitly, and that it is necessary to make these values explicit. This work provides a basis for doing so. First, we propose a probabilistic deontic logic that is suited for formally specifying the obligations of a stochastic system, including its ethical obligations. We prove some useful validities about this logic, and how its semantics are compatible with those of Markov Decision Processes (MDPs). Second, we show that model checking allows us to prove that an agent has a given obligation to bring about some state of affairs - meaning that by acting optimally, it is seeking to reach that state of affairs. We develop a model checker for our logic against MDPs. Third, we observe that it is useful for a system designer to obtain a logical characterization of her system's obligations, which is potentially more interpretable and helpful in debugging than the expression of a utility function. Enumerating all the obligations of an agent is impractical, so we propose a Bayesian optimization routine that learns to generate a system's obligations that the system designer deems interesting. We implement the model checking and Bayesian optimization routines, and demonstrate their effectiveness with an initial pilot study. This work provides a rigorous method to characterize utility-maximizing agents in terms of the (ethical and social) obligations that they implicitly seek to satisfy.
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DOI:
10.1145/3460975
发表时间:
2021
期刊:
ACM Transactions on Cyber-Physical Systems (TCPS)
影响因子:
--
作者:
Colin Shea;Houssam Abbas
通讯作者:
Houssam Abbas
DOI:
--
发表时间:
2013
期刊:
Normative Multi-Agent Systems
影响因子:
--
作者:
N. Alechina;Nick Bassiliades;M. Dastani;Marina De Vos;B. Logan;S. Mera;Andreasa Morris;F. Schapachnik
通讯作者:
F. Schapachnik
DOI:
--
发表时间:
1975
期刊:
影响因子:
--
作者:
D. Clarke
通讯作者:
D. Clarke
DOI:
--
发表时间:
2005
期刊:
影响因子:
--
作者:
Konstantine Arkoudas;S. Bringsjord;Paul Bello
通讯作者:
Paul Bello