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The objective of this paper is to carry out computational experiments to examine Japanese public pension system from the perspective of both macro-level and micro-level. In Japan, one of the most aging countries in the world, many studies have been conducted to evaluate the sustainability of the pension system under the condition of drastic demographic change through computational simulations. Most...
In this paper, we employ an agent-based simulation as a tool to estimate the influence of hospital closure to other hospitals in the neighborhood. In Japan, some hospitals managed by local governments face financial difficulties because of the change of medical fees, and the increase in the number of patients due to aged society. Although municipal hospitals greatly contributed to maintain Japanese...
A Negotiable Evolutionary Algorithm (NEA) meta-heuristic approach is presented in this paper for solving the Integrated Production Planning and Scheduling (IPPS) problem in Flexible Manufacturing Systems (FMS). The NEA approach addresses the rationales that we have identified as the key features required for effectively solving complex IPPS problems. Considerable experiments have been conducted and...
New image retrieval technology, which is used for a service demonstration project ldquoView Search Hokkaidordquo in ldquoInformation Grand Voyage Projectrdquo conducted by Ministry of Economy, Trade and Industry, Japan, is presented in this paper. The new technology enables image retrieval based on low-level features without utilizing any tag-based scheme and realizes a 3D interface for image retrieval...
In this paper, we propose a method of determining the pension in the generation-based funding scheme. In this proposal, we include two types of pensions. One is the payment-amount related pension and the other is the payment-times related pension. We set the ratio of the total amount of payment-amount related pension to the total amount of both pensions (income gap operator), and simulate fiscal changes...
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