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Slaney (Eds.), Advanced Topics in Artificial Intelligence (pp. 155-166). Berlin, Germany: Springer-Verlag. Eijk, R.M. van, Boer, F.S. de, Hoek, W. van der & Meyer, J-J.Ch. (1998). A language for modular information-passing agents. CWI Quarterly, 11(2, 3), 273-297. Hoek, W. van der, Linder, B. van & Meyer, J-J.Ch. (1998). An Integrated Modal Approach to Rational Agents. In M. Wooldridge & A. Rao (Eds.), Foundations of Rational Agency (pp. 133-168). Dordrecht: Kluwer. Eijk, R.M. van, Boer, F.S. de, Hoek, W. van der & Meyer, J-J.Ch. (1998). Constructing translations between individual vocabularies in multi-agent systems. In H. La Poutre & J. van den Herik (Eds.), Proceedings of the 10th Netherlands/Belgium Conference on Artificial Intelligence (pp. 307). Amsterdam, the Netherlands: CWI. Eijk, R.M. van, Boer, F.S. de, Hoek, W. van der & Meyer, J-J.Ch. (1998). Construction translations between individual vocabularies in multi-agent systems. In F. Giunchiglia (Ed.), Proceedings of the 8th International Conference on Artificial Intelligence: Methodology, Systems and Applications (AIMSA'98) (pp. 240-253). Heidelberg, Germany: Springer-Verlag. Hindriks, K.V., Boer, F.S. de, Hoek, W. van der & Meyer, J-J.Ch. (1998). Failure, monitoring and recovery in the agent language 3APL. In G. De Giacomo (Ed.), AAAI 1998 Fall Symposium on Cognitive Robotics (pp. 68-75). Hindriks, K.V., Boer, F.S. de, Hoek, W. van der & Meyer, J-J.Ch. (1998). Formal semantics for an abstract agent programming language. In M.P. Singh, A. Rao & M.J. Wooldridge (Eds.), Intelligent Agents IV (pp. 216-229). Berlin, Germany: Springer-Verlag. Hindriks, K.V., Boer, F.S. de & Hoek, W. van der (1998). Formal semantics of the core of agent-0. In J. Bell (Ed.), ECAI'98 Workshop on Practical Reasoning and Rationality (pp. 20-29). Linder, B. van, Hoek, W. van der & Meyer, J-J.Ch. (1998). Formalising abilities and opportunities of agents. (UU-CS1998-08 ). Utrecht, the Netherlands: Utrecht University: Information and Computing Sciences. Linder, B. van, Hoek, W. van der & Meyer, J-J.Ch. (1998). Formalizing abilities and opportunities of agents. Fundamenta Informaticae, 34(1,2), 53-101. Meyer, J-J.Ch. & Hoek, W. van der (1998). Modal logics for representing incoherent knowledge. In Ph. Besnard & A. Hunter (Eds.), Handbook of Defeasible Reasoning and Uncertainty Management Systems 2: Reasoning with Actual and Potential Contradiction (pp. 37-75). Dordrecht, the Netherlands: Kluwer. Hoek, W. van der, Jaspars, J. & Thijsse, E. (1998). Persistence and minimality in epistemic logic. In J. Dix, L. Farinas del Cerro & U. Furbach (Eds.), Logics in Artificial Intelligence (JELIA'98) (pp. 62-76). Dagstuhl, Germany: Springer-Verlag. Witteveen, C. & Hoek, W. van der (1998). Recovery of (non)monotonic theories. Artificial intelligence, 106(1), 139-159. Eijk, R.M. van, Boer, F.S. de, Hoek, W. van der & Meyer, J-J.Ch. (1998). Systems of communicating agents. In H. Prade (Ed.), Proceedings of the 13th biennial European Conference on Artificial Intelligence (ECAI'98) (pp. 293-297). John Wiley & Sons. Hoek, W. van der, Meyer, J-J.Ch. & Treur, J. (1998). Temporalizing epistemic default logic. Journal of logic, language and information, 7(3), 341-367. Eijk, R.M. van, Boer, F.S. de, Hoek, W. van der & Meyer, J-J.Ch. (1998). Translation of vocabularies in systems of communicating agents. In Workshop of UK Special Interest Group on Multi-Agent Systems (UKMAS'98) Working Notes. Manchester, England: Manchester Conference Centre. Eijk, R.M. van, Boer, F.S. de, Hoek, W. van der & Meyer, J-J.Ch. (1998). Translations of vocabularies in systems of communicating agents. In Second workshop on current constraint programming for time critical applications and multi-agents systems (COTIC'98). Witteveen, C. & Hoek, W. van der (1997). A General Framework for revising non-monotonic Databases. In J. Dix & e.a. (Eds.), Logic Programming and Non-Monotonic Reasoning (pp. 258-272). Berlin: Springer Verlag. Hoek, W. van der & Meyer, J-J.Ch. (1997). A complete Epistemic Logic for Multiple Agents Combining Distributed and Common Knowledge. In M.O.L. Bacharach, L.A. Gerard-Varet, P. Mongin & H.S. Shin (Eds.), Epistemic Logic and the Theory of Games and Decisions (pp. 35-68). Dordrecht, the Netherlands: Kluwer. Eijk, R.M. van, Boer, F.S. de, Hoek, W. van der & Meyer, J-J.Ch. (1997). A language for Modular Information-passing Agents. (UU-CS1997-16 ). Utrecht, the Netherlands: Utrecht University: Information and Computing Sciences. Eijk, R.M. van, Boer, F.S. de, Hoek, W. van der & Meyer, J-J.Ch. (1997). A language for Modular Information-passing Agents. In W. van der Hoek, Y. Lesperance & R. Scherl (Eds.), Proceedings of the ESSLLI '97 Symposium on Logical Approaches to Agent Modelling and Design (pp. 46-56). Aix-en-provence, France. Eijk, R.M. van, Boer, F.S. de, Hoek, W. van der & Meyer, J-J.Ch. (1997). A language for Modular Information-passing Agents. In M. Luck, M. Fisher, M. d'Inverno, N. Jennings & M. Wooldridge (Eds.), The Second UK Workshop on Foundations of Multi-Agent Systems (FoMAS'97) Working Notes (pp. 33-43). Warwick: University of Warwick. Hoek, W. van der, Linder, B. van & Meyer, J-J.Ch. (1997). An integrated modal approach to rational agents. (UU-CS1997-06 ). Utrecht, the Netherlands: Utrecht University: Information and Computing Sciences. Hindriks, K.V., Boer, F.S. de, Hoek, W. van der & Meyer, J-J.Ch. (1997). Formal Semantics for an Abstract Agent Programming Language. In Proceedings of the Fourth International Workshop on Agent Theories, Architectures, and Languages (ATAL). Linder, B. van, Meyer, J-J.Ch. & Hoek, W. van der (1997). Formalizing motivational attitudes of agents using the KARO framework. (UU-CS1997-03 ). Utrecht, the Netherlands: Utrecht University: Information and Computing Sciences. Hoek, W. van der, Linder, B. van & Meyer, J-J.Ch. (1997). 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Tambe (Eds.), Intelligent Agents Volume II - Agent Theories, Architectures, and languages (ATAL '96) (pp. 17-32). Berlin, Germany: Springer. Hoek, W. van der, Linder, B. van & Meyer, J-J.Ch. (1996). Group knowledge isn't always distributed. In J-J.Ch. Meyer & L.C. van der Gaag (Eds.), Proceedings of the eight Dutch Conference on Artificial Intelligence (NAIC 96) (pp. 205-212). Utrecht: Utrecht University. Hoek, W. van der, Jaspars, J. & Thijsse, E. (1996). Honesty in partial modal logic. Studia logica, 56(3), 323-360. Hoek, W. van der (1996). Interleaved contractions. (UU-CS1996-16 ). Utrecht, the Netherlands: Utrecht University: Information and Computing Sciences. Hoek, W. van der & Meyer, J-J.Ch. (1996). Modalities for Reasoning about Knowledge and Uncertainties. In P. Doherty (Ed.), Partiality, Modality and Nonmonotonicity (pp. 77-110). Californie, U.S.A.: CSLI, Stanford. Wondergem, B.C.M., Hoek, W. van der, Huibers, W.H.C. & Witteveen, C. (1996). Preferential semantics for query by navigation. Informatiewetenschap, 153-168. Hoek, W. van der (1996). Qualitative modalities. International journal of uncertainty, fuzziness & knowledge-based systems, 4(1), 45-61. Witteveen, C. & Hoek, W. van der (1996). Revision and updating using a back-up semantics. In J.J. Meyer & L. van der Gaag (Eds.), Proceedings of the Eight Dutch Conference on Artificial Intelligence (NAIC'96) (pp. 393-404). Utrecht, the Netherlands: Utrecht University. Witteveen, C. & Hoek, W. van der (1996). Revision and updating using a back-up semantics. Logics in Al : European workshop JELIA, 388-403. Witteveen, C. & Hoek, W. van der (1996). Some postulates for nonmonotonic theory revision applied to logic programming. In P.S.H.R. Dyckhoff & H. Herre (Eds.), Extensions of Logig Programming (pp. 303-318). Springer Verlag. Witteveen, C. & Hoek, W. van der (1996). Updating nonmonotonic databases. In M. Vardi (Ed.), Proceedings of the Fourth Israel Symposium on Theory of Computing and Systems (pp. 147-154). Los Alamitos, CA: IEEE Computer Society Press. Meyer, J-J.Ch. & Hoek, W. van der (1995). A Modal Contrastive Logic: The Logic of `But' (revised version of UU-CS-1994-07). (UU-CS1995-18 ). Utrecht: Utrecht University. Meyer, J-J.Ch. & Hoek, W. van der (1995). Modal Logics for Representing Incoherent Knowledge. (UU-CS1995-19 ). Utrecht: Utrecht University. Linder, B. van, Hoek, W. van der & Meyer, J-J.Ch. (1995). Seeing is believing - And so are hearing and jumping. (UU-CS1995-08 ). Utrecht: Utrecht University. Witteveen, C. & Hoek, W. van der (1995). Semantic Based Theory Revision in Nonmonotonic Logic. (UU-CS1995-39 ). Utrecht: Utrecht University. Meyer, J-J.Ch. & Hoek, W. van der (1994). A Modal Contrastive Logic: The Logic of `But`. (UU-CS1994-07 ). Utrecht. Linder, B. van, Hoek, W. van der & Meyer, J-J.Ch. (1994). Actions that Make you Change your Mind --- Belief Revision in an Agent-Oriented Setting. (UU-CS1994-53 ). Utrecht. Witteveen, C. & Hoek, W. van der (1994). Revision by Communication: Program by Consulting Weaker Semantics. (UU-CS1994-56 ). Utrecht. Hoek, W. van der & Meyer, J-J.Ch. (1994). Temporalizing Epistemic Default Logic. (UU-CS1994-54 ). Utrecht. Linder, B. van, Hoek, W. van der & Meyer, J-J.Ch. (1994). Tests as epistemic updates - pursuit of knowledge. (UU-CS1994-08 ). Utrecht. Linder, B. van, Hoek, W. van der & Meyer, J-J.Ch. (1994). The dynamics of default reasoning. (UU-CS1994-48 ). Utrecht. Meyer, J-J.Ch. & Hoek, W. van der (1993). Graded Modal and Epistemic Logic. (RUU-CS93-44 ). Utrecht. Hoek, W. van der & Thijsse, E. (1993). Honesty in Partial Logic. (RUU-CS93-32 ). Utrecht. Hoek, W. van der, Linder, B. van & Meyer, J-J.Ch. (1993). Unravelling nondeterminism: On having the ability to choose. (RUU-CS93-30 ). Utrecht.