A verification framework for agent programming with declarative goals |
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Authors: | F.S. de Boer K.V. Hindriks W. van der Hoek J.-J.Ch. Meyer |
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Affiliation: | aNational Research Institute for Mathematics and Computer Science (CWI), Amsterdam, The Netherlands;bInstitute of Information & Computing Sciences, Utrecht University, The Netherlands;cNijmegen Institute for Cognition and Information, Radboud University Nijmegen, The Netherlands;dDepartment of Computer Science, University of Liverpool, United Kingdom |
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Abstract: | A long and lasting problem in agent research has been to close the gap between agent logics and agent programming frameworks. The main reason for this problem of establishing a link between agent logics and agent programming frameworks is identified and explained by the fact that agent programming frameworks have hardly incorporated the concept of a declarative goal. Instead, such frameworks have focused mainly on plans or goals-to-do instead of the end goals to be realised which are also called goals-to-be. In this paper, the programming language GOAL is introduced which incorporates such declarative goals. The notion of a commitment strategy—one of the main theoretical insights due to agent logics, which explains the relation between beliefs and goals—is used to construct a computational semantics for GOAL. Finally, a proof theory for proving properties of GOAL agents is introduced. Thus, the main contribution of this paper, rather than the language GOAL itself, is that we offer a complete theory of agent programming in the sense that our theory provides both for a programming framework and a programming logic for such agents. An example program is proven correct by using this programming logic. |
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Keywords: | Agent programming language Declarative goals Agents Beliefs Programming logic |
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