Subjective Logic: A Foundational Book on Reasoning Under Uncertainty

FrnkNlsn · x · 2026-08-17

Subjective Logic: A Formalism for Reasoning Under Uncertainty (2016, Springer), written by Audun Jøsang of the University of Oslo, is the first comprehensive treatment of the framework by the researcher who created it.

The book starts from the representation of subjective opinions and decision-making under vagueness and uncertainty, harmonizes the key notations and formalisms, and closes with chapters on trust networks and subjective Bayesian networks, which together form general subjective networks. The author shows how real-world situations can be modeled with regard to how they are perceived, so conclusions better reflect the ignorance and uncertainty from partially unreliable evidence.

Part of Springer's AI Foundations, Theory and Algorithms series, the book has accumulated 51k accesses and 474 citations, and is aimed at researchers and practitioners building artificial reasoning models and tools.

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