关键词: 异构性, 数据管理平台体系结构, Web服务, 元数据, 统一访问和管理

Abstract: The reasons for the formation of isolated island in forestry information system were analyzed,and a service-oriented architecture of digital forestry data management platform was proposed in this paper. The service layer shielded the heterogeneity of operation system and database system by means of Web service techniques,the common data element directory eliminated the system heterogeneity at semantic level,and the aggregation layer integrated the metadata of sub node and unified the access interface,which realized the unified management and access of distributed heterogeneous data in the whole industry of forestry. The platform kept the loose coupling among the systems,and overcame the key difficult problems in the exchange of heterogeneous data. The proposed platform will provide a data access method for asers in a simple and consistent manner,which conforms to the current forestry management system and has a broad prospects in application.

Key words: heterogeneity, architecture of data management platform, Web service, metadata, unified access and management