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SYSTEM AND METHOD FOR EFFICIENT MANAGEMENT OF DISTRIBUTED SPATIAL DATA

  • US 20090210426A1
  • Filed: 02/14/2008
  • Published: 08/20/2009
  • Est. Priority Date: 02/14/2008
  • Status: Active Grant
First Claim
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1. A system for efficient management of distributed spatial data, different portions of the spatial data stored in each of a plurality of spatial data sources in any of a plurality of data formats, each spatial data source connected to one of a plurality of networks, the system comprising:

  • a plurality of spatial data servers, each spatial data server deployed next to and connected to a different one of the spatial data sources, for;

    transmitting spatial data using a common spatial data exchange protocol building hierarchical spatial data indices;

    updating the indices automatically whenever spatial data sets are modified; and

    forwarding spatial data responsive to an update of the spatial data;

    a plurality of spatial meta servers, each connected to one or more spatial data servers via one of the networks, for;

    publishing the existence of specified spatial data on any of the spatial data servers to which it is connected;

    defining access permissions for the published spatial data; and

    communicating with other spatial meta severs for extending connectivity and spatial data publication to the other networks; and

    a plurality of spatial data providers, each connected to one of a plurality of network clients, for;

    allowing the network client to discover the spatial data; and

    accessing spatial data directly from the spatial data servers.

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