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The environment is an important but overlooked piece in the construction of multiagent-based scenarios. Richness, believability and variety of scenarios are inseparable from the environment because every action and interaction of agents is based around the environment they are situated in. The prerequisite, however, is that agents must be able to understand(More)
Agent technologies have been successfully applied to craft believable characters in interactive scenarios. However, intelligent characters specialized for a controlled scenario with a predefined story are inadequate for open-ended scenarios. The key to deal with the open-endedness problem lies in the characters' ability to understand and analyze unexpected(More)
This paper investigates the effects of a renewing free-replacement warranty (RFRW) on the age replacement policy for a repairable product with a general failure model. In the general model, there are two types of failure when the product fails. One is type I failure (minor failure), which can be removed by a minimal repair; and the other is type II failure(More)