Author name cluster

Junli Jiang

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6 papers

1 author row

AAAI Conference 2026 Conference Paper

Higher-Order Responsibility

Junli Jiang
Pavel Naumov

In ethics, individual responsibility is often defined through Frankfurt's principle of alternative possibilities. This definition is not adequate in a group decision-making setting because it often results in the lack of a responsible party or "responsibility gap". One of the existing approaches to address this problem is to consider group responsibility. Another, recently proposed, approach is "higher-order" responsibility. The paper considers the problem of determining whether higher-order responsibility up to a given degree is sufficient to close the responsibility gap and analyses the computational complexity of this problem.

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AAAI Conference 2024 Conference Paper

The Logic of Doxastic Strategies

Junli Jiang
Pavel Naumov

In many real-world situations, there is often not enough information to know that a certain strategy will succeed in achieving the goal, but there is a good reason to believe that it will. The paper introduces the term "doxastic" for such strategies. The main technical contribution is a sound and complete logical system that describes the interplay between doxastic strategy and belief modalities.

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IJCAI Conference 2023 Conference Paper

Data-Informed Knowledge and Strategies (Extended Abstract)

Junli Jiang
Pavel Naumov

The article proposes a new approach to reasoning about knowledge and strategies in multiagent systems. It emphasizes data, not agents, as the source of strategic knowledge. The approach brings together Armstrong's functional dependency expression from database theory, a data-informed knowledge modality based on a recent work by Baltag and van Benthem, and a newly proposed data-informed strategy modality. The main technical result is a sound and complete logical system that describes the interplay between these three logical operators.

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AIJ Journal 2022 Journal Article

Data-informed knowledge and strategies

Junli Jiang
Pavel Naumov

The article proposes a new approach to reasoning about knowledge and strategies in multiagent systems. It emphasizes data, not agents, as the source of strategic knowledge. The approach brings together Armstrong's functional dependency from database theory, a data-informed knowledge modality based on a recent work by Baltag and van Benthem, and a newly proposed data-informed strategy modality. The main technical result is a sound and complete logical system that describes the interplay between these three logical operators.

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IJCAI Conference 2022 Conference Paper

In Data We Trust: The Logic of Trust-Based Beliefs

Junli Jiang
Pavel Naumov

The paper proposes a data-centred approach to reasoning about the interplay between trust and beliefs. At its core, is the modality "under the assumption that one dataset is trustworthy, another dataset informs a belief in a statement". The main technical result is a sound and complete logical system capturing the properties of this modality.

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IJCAI Conference 2022 Conference Paper

The Egocentric Logic of Preferences

Junli Jiang
Pavel Naumov

The paper studies preferences of agents about other agents in a social network. It proposes a logical system that captures the properties of such preferences, called "likes". The system can express nested constructions "agent likes humbled people", "agent likes those who like humbled people", etc. The main technical results are a model checking algorithm and a sound, complete, and decidable axiomatization of the proposed system.

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