Building a Scalable Spatial OLAP System

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Provided by: Association for Computing Machinery
Topic: Big Data
Format: PDF
With an increasing number of applications that store spatial and non-spatial data in data warehouses, the development of efficient and scalable spatial OLAP systems, which combine traditional OLAP capabilities with support for spatial queries and for OLAP operations over spatial dimension hierarchies, is increasing in importance. The authors present a modular design of a spatial OLAP system. Contrary to most previous work on spatial OLAP systems, which combine existing OLAP systems and geographic in-formation systems using a middleware layer, their system directly integrates OLAP and the processing of spatial data and, thus, provides the full power of spatial OLAP with-out performance penalty and allows a unified treatment of spatial and non-spatial data.
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