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Tom Lenaerts

4 accepted papers

2024

To Promote Full Cooperation in Social Dilemmas, Agents Need to Unlearn Loyalty

IJCAI 2024poster

If given the choice, what strategy should agents use to switch partners in strategic social interactions? While many analyses have been performed on specific switching heuristics, showing how and when these lead to more cooperation, no insights have been provided into which rule will actually be le…

Cited by 2SourcePDFScholar
2023

Expertise Trees Resolve Knowledge Limitations in Collective Decision-Making

ICML 2023poster

Experts advising decision-makers are likely to display expertise which varies as a function of the problem instance. In practice, this may lead to sub-optimal or discriminatory decisions against minority cases. In this work, we model such changes in depth and breadth of knowledge as a partitioning o…

Cited by 0SourcePDFScholar
2019

Dynamic Weights in Multi-Objective Deep Reinforcement Learning

ICML 2019oral

Many real-world decision problems are characterized by multiple conflicting objectives which must be balanced based on their relative importance. In the dynamic weights setting the relative importance changes over time and specialized algorithms that deal with such change, such as a tabular Reinforc…