Hironori Yagi

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Various types of personal telecommunications (PT) services are summarized, and the service information required to provide them are identified. Information-allocation schemes over multiple networks are examined. Hierarchical information-handling and information-localization schemes and their applicability to PT services are discussed. The effects of(More)
In this paper, we compare the competitiveness between clustered and dispersed Small Medium Enterprises (SMEs) in Indonesian food processing industry. This study was driven by the important role of SMEs in Indonesian food processing industry for helping low income people access the low price foods. Furthermore, as Indonesian Government implements policy that(More)
The evolution of the intelligent network (IN) is summarized, and its service creation requirements and provision environment are clarified. A prototype system called the ISDN development experimental system for advanced services (IDEA), which has been developed to validate the foregoing, is described. The evaluation of the system design and its future(More)
A method for detecting interactions among services and service features in communication systems is proposed. The method uses three types of knowledge: knowledge for clarifying and completing the specification of each feature, knowledge for identifying the implicit relationships among the features, and knowledge for detecting the interactions from the(More)
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