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Data Sharing System for E-Government - IIMS Solution
2.3 Technical Data Sharing System An organization in Japan is now implementing a project to integrate and share the technical data and information for improving space equipment manufacturing and operation. IIMS is chosen as the backbone of the technical data sharing system. The data that will be managed and shared through IIMS include the following:
 Figure 6 The Conceptual Structure of the Technical Data Sharing System 2.4 Geospatial Data Sharing System Five Universities in Japan have been cooperating in Yakushima Zero Emissions Project, a research project on resource recycling and sustainable society model. Rich results and data have been developed by participating institutions. To enforce the sharing and exchange the information and data, particularly the base map and spatial database of Yakushima, among participating researchers, a spatial data sharing system is being developed using IIMS. The five participating Universities are:
 Figure 7 Web Interface of Kagoshima Zero Emissions Project Spatial Data Sharing System 2.5 Digital City Digital city is another name for e-government at municipal level in China. The objective of Digital City is to promote digitization and utilization of urban information resources through an integrated data management and sharing system, and improve the information service to government agencies, enterprises and the public. Chengdu city, the capital of Sichuan province, is a pioneer in digital city construction in China. At the first phase, IIMS was adopted to develop an Urban Information Resource Management Platform. The system is composed of three tiers as shown in Figure 9. Data Tier is the base for creating and maintaining data resources. Management Tier is realized by IIMS providing fast metadata query and distributive data accessing capabilities. Through the IIMS data sharing system, the Service Tier provides services to various data and information users. Figure 10 and 11 present two typical application scenarios of the data sharing system in Digital Chengdu.  Figure 8 Hardware/Software Configurations of Kagoshima Zero Emissions Project Spatial Data Sharing System  Figure 9 Three Tiers of Data Sharing System for Digital Chengdu  Figure 10 Sharing Information to Support Decision Making  Figure 11 Sharing Information to Support Disaster Mitigation 2.6 Disaster Prevention System A national agency for disaster prevention in Mexico has started a project for establishing the National Atlas of Risks (ANR, by their letters in Spanish) and the System for Identification of Risks of Disasters in Mexico (Siiride, by their letters in Spanish). Those projects demand the extensive use of shared information among departments and institutions. Basic Engineering Co. Ltd. is invited to develop the solutions on shared information systems that could satisfy their requirements by using IIMS Technology. The National Atlas of Risk is a project for incorporating all information related to risk of disasters in Mexico. The main goal is to create an information system that evolves in time by the distributed aggregation of digital files. As an initial step, a shared information system for generating all the basic information for the ANR will be developed for all the different departments to contribute with their files and databases. The following data will be included into the data sharing system:
 Figure 12 General Architecture and Data Flow of IIMS-ANR-Siiride System References
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