Abstract
With the multiple field databases resources to be enriched, users hope to access and use these databases freely and comprehensively. But phased establishment of application and particularity of Application results in inconsistent application platform and heterogeneous data management systems . To make users access databases transparently, the data Integration of heterogeneous databases is the problems being solved. The paper proposes a model of data sharing providing the user with a unified view and establishes webGIS service, making the multidisciplinary and spatial data display validly and solidly.
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