Tech Reports

ULCS-07-016

Retraction and Revocation in Agent Deliberation Dialogs

Peter McBurney and Simon Parsons

Abstract

We present a generic denotational semantic framework for protocols for dialogs between rational and autonomous agents over action which allows for retraction and revocation of proposals for action. The semantic framework views participants in a deliberation dialog as jointly and incrementally manipulating the contents of shared spaces of action-intention tokens. The framework extends prior work by decoupling the identity of an agent who first articulates a proposal for action from the identity of any agent then empowered to retract or revoke the proposal, thereby permitting proposals, entreaties, commands, promises, etc, to be distinguished semantically.

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