This paper proposes a cooperative knowledge production model CSDM (Cooperative Spatial Data Mining), which is
suitable for distributed GIS environment. It aims at two shortages of existing system, the large computational work, and
the dispersive resources in a distributed system. It's based on data-sharing, process synchronization and parallel datamining
method. Although there are many parallel algorithms for data-mining, we choose the GA (Genetic Algorithm) for
illustration. The prototype system shows the model could work effectively in a path selection problem.
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