| 1998 | A Modal Logic of Information Change. Joeri Engelfriet, Yde Venema |
| 1998 | Ambiguity Made Precise: A Comparative Foundation. Paolo Ghirardato, Massimo Marinacci |
| 1998 | An Architecture for Heterogeneous Reasoning (Invited Talk). Jon Barwise |
| 1998 | Beating a Finite Automaton in the Big Match. Lance Fortnow, Peter G. Kimmel |
| 1998 | Belief Revision and Rationalizability. Oliver J. Board |
| 1998 | Characterizing the Common Prior Assumption. Joseph Y. Halpern |
| 1998 | Conditional, Hierarchical, Multi-Agent Preferences. Pierfrancesco La Mura, Yoav Shoham |
| 1998 | Distributed Games. Dov Monderer, Moshe Tennenholtz |
| 1998 | Evaluating Qptions in a Context. John F. Horty, Martha E. Pollack |
| 1998 | Games and Conditionals. Horacio L. Arló-Costa, Cristina Bicchieri |
| 1998 | Hypothetical Knowledge and Counterfactual Reasoning. Joseph Y. Halpern |
| 1998 | Interaction Games: A Unified Analysis of Incomplete Information and Local Interaction. Stephen Morris |
| 1998 | Intra-Agent Modality and Nonmonotonic Epistemic Logic. Richmond H. Thomason |
| 1998 | Knowledge and the Logic of Local Propositions. Kai Engelhardt, Ron van der Meyden, Yoram Moses |
| 1998 | Logic and Choice. Hans Rott |
| 1998 | Nonstandard Numbers for Qualitative Decision Making. Daniel Lehmann |
| 1998 | Proceedings of the 7th Conference on Theoretical Aspects of Rationality and Knowledge (TARK-98), Evanston, IL, USA, July 22-24, 1998 Itzhak Gilboa |
| 1998 | Quantified Beliefs and Believed Quantities (Invited Talk). Dov Samet |
| 1998 | Simulative Inference About Nonmonotonic Reasoners. Aaron N. Kaplan |
| 1998 | The Learning Power of Belief Revision. Kevin T. Kelly |
| 1998 | The Logic of Public Announcements and Common Knowledge and Private Suspicions. Alexandru Baltag, Lawrence S. Moss, Slawomir Solecki |
| 1998 | The Modal Logic of Probability. Aviad Heifetz, Philippe Mongin |
| 1998 | Toward Software Synthesis for Distributed Applications. Aleta Ricciardi, Paul Grisham |
| 1998 | Understanding Common Priors under Incomplete Information. Giacomo Bonanno, Klaus Nehring |
| 1998 | Using Counterfactuals in Knowledge-Based Programming. Joseph Y. Halpern, Yoram Moses |