Partitioned joins of spatial objects in a database system
US7386561B1 · kind B1 · utility
12Cited by
13References
29Claims
0Family size
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Key dates
| Filing date | Feb 6, 2002 |
| Grant date | Jun 10, 2008 |
| Priority date | — |
| Expiry date | Jan 25, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S707/99943
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method and apparatus performs a partitioned joins of spatial objects in a database system. In one example arrangement, each spatial object is represented by z-cells in a z-ordered space. The z-cells of certain spatial objects are either duplicated or redistributed across multiple partitions in the database system to enable parallel joins of spatial objects.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.