Data processing: database and file management or data structures – Database design – Data structure types
Reexamination Certificate
2007-02-13
2007-02-13
Cottingham, John (Department: 2167)
Data processing: database and file management or data structures
Database design
Data structure types
C707S793000
Reexamination Certificate
active
10800739
ABSTRACT:
In one embodiment of the present invention, in a database management system, a system for handling geographic raster data comprises a first data table including a plurality of GeoRaster objects, each GeoRaster object including a spatial extent geometry and associated metadata, the spatial extent geometry identifying a footprint of a geographic raster data object and associated with at least one block of raster data, a second data table including a plurality of raster objects, each raster object associated with one block of raster data of a GeoRaster object and including information indicating a spatial extent of the block of raster data and information relating to the block of raster data, a first spatial index built on the first data table based on the spatial extent geometry of each of the plurality of GeoRaster objects, the first spatial index operable to retrieve a GeoRaster object from the first data table based on a relative spatial location of the GeoRaster object, and a primary key index built on the second data table based on the information relating to the block of raster data, the index operable to retrieve a raster object from the second data table based on the information relating to the block of raster data associated with the retrieved raster object.
REFERENCES:
patent: 2003/0187867 (2003-10-01), Smartt
patent: 2004/0117358 (2004-06-01), von Kaenel et al.
Garnash Artem: Management of Geographical Information in Mobile Environment, Pro graduate thesis in Information Systems, Sep. 14, 2000, University of Jyvaskyla, Finland.
Oracle Database 10g: Managing Geographic Raster Data Using GeoRaster, An Oracle Technical White Paper, Dec. 2003.
Ravada Siva
Xie Qingyun
Xu Weisheng
Bingham & McCutchen LLP
Cottingham John
Lu Kuen S.
Oracle International Corporation
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