| 1998-002 | Erik Sandewall: Logic-Based Modelling of Goal-Directed Behavior. Proceedings of Conference on Principles of Knowledge Representation and Reasoning, 1998, pages 304-315.
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| 1998-003 | Erik Sandewall: The Logical Characterization of Goal-Directed Behavior in the Presence of Exogenous Events. Proceedings of Logics in Artificial Intelligence, 1998, pages 382-384.
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| 1998-001 | Erik Sandewall: Cognitive Robotics Logic and its Metatheory: Features and Fluents Revisited. Electronic Transactions on Artificial Intelligence, vol. 2 (1998), pages 307-329.
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