Ancien livre de biblioth�que. Petite(s) trace(s) de pliure sur la couverture. L�g�res traces d'usure sur la couverture. Salissures sur la tranche. Edition 1990. Ammareal reverse jusqu'� 15% du prix net de cet article � des organisations caritatives. ENGLISH DESCRIPTION Book Condition: Used, Very good. Former library book. Slightly creased cover. Slight signs of wear on the cover. Stains on the edge. Edition 1990. Ammareal gives back up to 15% of this item's net price to charity organizations.

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Bibliographic Details

Title: Efficient Query Processing in Geographic Information Systems
Publisher: Springer-Verlag Berlin and Heidelberg GmbH & Co. K
Publication Date: 1990
Language: English
ISBN 10: 3540534741
ISBN 13: 9783540534747
Binding: Softcover
Condition: Tr�s bon

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Synopsis

This monograph describes methods for extending relational database systems for geographic applications. The ways in which a relational database system is supplemented with unconventional spatial indexing structures, additional spatial subsystems and query processors are described in great detail. The work presents an extensive survey of existing spatial indexing techniques and a taxonomy of the extensions to the multidimensional indexing structures. An extensive experimental analysis of spatial indexes is presented. The work covers the following areas: - the design of geographic information systems (GIS) - extended query languages for GIS - spatial indexing mechanisms - query processing strategies. The author presents his own skd-trees and extended query optimization strategies. The survey of spatial indexing structures for non-zero sized objects provides a framework for workers in the field of spatial information systems to evaluate spatial access methods. The consideration of query optimization will assist understanding of the role of that topic in GIS.

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