发明名称 |
Spatially integrated relational database model with dynamic segmentation (SIR-DBMS) |
摘要 |
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.
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申请公布号 |
US6892204(B2) |
申请公布日期 |
2005.05.10 |
申请号 |
US20010834637 |
申请日期 |
2001.04.16 |
申请人 |
SCIENCE APPLICATIONS INTERNATIONAL CORPORATION |
发明人 |
HAAS ROBERT P.;ROBERTSON STEPHEN H. |
分类号 |
G06F7/00;G06F17/00;G06F17/30;(IPC1-7):G06F17/00 |
主分类号 |
G06F7/00 |
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