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Ordinal power indices

What is the common point between the affectation of students to universities (in particular, in
France, the Parcoursup algorithm), the influence of someone in a social network (like Twitter), the
responsibility of a formula in the inconsistency of a belief base, the impact and synergy of some criteria
in a multi-criteria decision making situation? In all these situations we are confronting with a set of
objects/persons on which we have information on the results of some coalitions/groups, and where it is

Thématiques: 
Aide à la Décision
Systèmes Multi-Agents

Ethical issues in multi-objective reinforcement learning

Markov Decision Processes (MDPs) and reinforcement learning (RL) are two very successful paradigms adopted in artificial intelligence for designing autonomous agents capable of dealing with sequential decision problems under uncertainty. The decision problem is formalized as a tuple with S the set of system states, A the set of possible actions, T the transition function and R the reward function. The transition function represents the non-deterministic dynamic of the system and gives the probability for the system to move from a state s to a state s’ when an action a is taken.

Thématiques: 
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Systèmes Multi-Agents

Prophet inequalities with paid samples

Internship proposition to be supervised by Christoph Dürr, LIP6, Sorbonne University

Suppose you need to buy an airline ticket for your next vacations which start in $n$ days. Every day you see a different price. Once you decided to buy the ticket the game is over. How should you decide when to buy? This is the topic of ongoing research on a problem called *prophet inequalities*.

See pdf for details.

Thématiques: 
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Recherche Opérationnelle

Quantifier le bien? Modèles d'agrégation pour l'éthique computationnelle

L'étude de la morale d'un point de vue computationnel a attiré l'intérêt croissant de chercheurs en IA : les agents artificiels sont dotés d'une autonomie croissante et vont être amenés à prendre des décisions sont les conséquences peuvent être immédiates ou lourdes. Des domaines aussi variés que la santé ou le transport posent des problèmes éthiques qui sont en ce sens particulièrement pressants et ont ouvert la voie à la problématique de recherche appelée \emph{éthique computationnelle}.

Thématiques: 
Aide à la Décision
Systèmes Multi-Agents

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