DIRECTORY SERVICES AND DATA SHARING FOR DISTRIBUTED AGRICULTURAL INFORMATION RESOURCES

The agricultural information resources is an important data assets, how to rationally plan, share and use of distributed storage of agricultural information resources, efficiently develop agricultural information resources, is the important issue of agricultural information resources needed to resolve. Based on the fully research on the current status of agricultural information systems, management processes and practices based on the user, using a distributed technical architecture, integration of J2EE framework, metadata model and directory services technology and other advanced means to build a distributed directory of agricultural information resources and data-sharing platform, the working principle of the platform and key technologies are analyzed, and from the application model, the overall structure, functions, data architecture, deployment options such as distributed agricultural information resources directory and information sharing platform was designed, without changing the data structure of information resources, achieve the efficient sharing of agricultural information resources, provide effective information support for rural economic development.