Towards "Kiga-kiku" Services on Speculative Computation
PAKM '08 Proceedings of the 7th International Conference on Practical Aspects of Knowledge Management
Speculative abductive reasoning for hierarchical agent systems
CLIMA'10 Proceedings of the 11th international conference on Computational logic in multi-agent systems
Speculative constraint processing for hierarchical agents
AI Communications - European Workshop on Multi-Agent Systems (EUMAS) 2009
On the implementation of speculative constraint processing
CLIMA'09 Proceedings of the 10th international conference on Computational logic in multi-agent systems
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In this paper, we propose an agent architecture for a combination of speculative computation and abduction. Speculative computation is a tentative computation when complete information for performing computation is not obtained. We use a default value to complement such incomplete information. Unlike usual default reasoning, the real value for the information can be obtained during the computation and the computation can be revised on the fly. In the previous work, we applied this technique to handling distributed problem solving under incomplete communication environments in the context of multi-agent systems and proposed correct procedures in abductive logic programming in terms of perfect model semantics. In the previous work, however, we regarded assumptions as defaults and used these assumptions for speculative computation. Thus, we could not perform hypothetical reasoning, that is, the original usage of abduction. In this paper, we extend our framework so that speculative computation and abduction can be both performed. As a result, our procedure becomes an extension of the abductive procedure developed by Kakas and Mancarella augmented by dynamic belief revision mechanism about outside world.