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Towards a Monitoring Framework for Agent-Based Contract Systems
Faci, Noura and Modgil, Sanjay and Oren, Nir and Meneguzzi, Felipe and Miles, Simon and Luck, Michael (2008) Towards a Monitoring Framework for Agent-Based Contract Systems. In: Cooperative Information Agents XII: Proceedings of the 12th International Workshop. Lecture Notes in Computer Science (5180). Springer, pp. 292-305.
The behaviours of autonomous agents may deviate from those deemed to be for the good of the societal systems of which they are a part. Norms have therefore been proposed as a means to regulate agent behaviours in open and dynamic systems, and may be encoded in electronic contracts in order to specify the obliged, permitted and prohibited behaviours of agents that are signatories to such contracts. Enactment and management of electronic contracts thus enables the use of regulatory mechanisms to ensure that agent behaviours comply with the encoded norms. To facilitate such mechanisms requires monitoring in order to detect and explain violation of norms. In this paper we propose a framework for monitoring that is to be implemented and integrated into a suite of contract enactment and management tools. The framework adopts a non-intrusive approach to monitoring, whereby the states of a contract with respect to its contained norms can be inferred on the basis of messages exchanged. Specifically, the framework deploys agents that observe messages sent between contract signatories, where these messages correspond to agent behaviours and therefore indicate whether norms are, or are in danger of, being violated.
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