Spatially integrated relational database model with dynamic...

Details Spatially integrated relational database model with dynamic... Spatially integrated relational database model with dynamic...

2005-05-10

2005-05-10

Corrielus, Jean M. (Department: 2162)

Data processing: database and file management or data structures

Database design

Data structure types

C701S208000, C707S793000

Reexamination Certificate

active

06892204

ABSTRACT:
A method and system for providing an open database model that allows the combining of spatial and Attribute data in a single relational database. The integration of spatial and Attribute data allows the data to be accessed by either standard structured query language (SQL) or a GIS viewing application. The invention provides: enhanced performance by avoiding proliferation of segmentation; open dynamic segmentation; integrated temporal data; and automated database maintenance. Permanent anchor sections are provided to define spatial references. The data model allows for intersections in the interior of a link (anchor section), resulting in a more stable form of a link, or anchor section. The use of anchor sections simplifies maintenance of data associated with the anchor sections and facilitates the use of anchor sections in a distributed environment. Database views display data in a simple, tabular format. Access to a continuous archive of historical data is supported.

REFERENCES:
Landis, Kate, “Integrating Dynamic Segmentation into Publication Quality Transportation Maps,” 1996 Environmental Systems Research Institute, Inc. International User Conference Proceedings, May 20-24, 1996.
“ArcInfo 8, A New GIS for the New Millennium,” Environmental Systems Research Institute, Inc., 1999.
“ArcView GIS,” Environmental Systems Research Institute, Inc., 2000.
Environmental Systems Research Institute, Inc., webpage updated Mar. 12, 2001, original publication date unknown.

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