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What is Spatial Query

Chapter 30
Handbook of Research on Innovations in Database Technologies and Applications: Current and Future Trends
It is a set of spatial conditions characterized by spatial operators that form the basis for the retrieval of spatial information from a spatial database system.
Published in Chapter:
Query Processing in Spatial Databases
Antonio Corral (University of Almeria, Spain) and Michael Vassilakopoulos (University of Central Greece, Greece)
Copyright: © 2009 |Pages: 10
DOI: 10.4018/978-1-60566-242-8.ch030
Abstract
Spatial data management has been an active area of intensive research for more than two decades. In order to support spatial objects in a database system several important issues must be taken into account such as: spatial data models, indexing mechanisms and efficient query processing. A spatial database system (SDBS) is a database system that offers spatial data types in its data model and query language and supports spatial data types in its implementation, providing at least spatial indexing and efficient spatial query processing (Güting, 1994). The main reason that has caused the active study of spatial database management systems (SDBMS) comes from the needs of the existing applications such as geographical information systems (GIS), computer-aided design (CAD), very large scale integration design (VLSI), multimedia information systems (MIS), data warehousing, multi-criteria decision making, location-based services, etc.
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Chapter 34
Spatial Network Databases
A request expressed as a combination of spatial conditions (e.g., Euclidean distance from a query point) for extracting specific information from a large amount of spatial data without actually changing these data.
Published in Chapter: Spatial Network Databases; From: Handbook of Research on Innovations in Database Technologies and Applications: Current and Future Trends
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Chapter 21
BIM and Geospatial Information Systems
A spatial query is a special type of database query supported by geodatabases. The queries differ from SQL queries in several important ways. Two of the most important are that they allow for the use of geometry data types such as points, lines and polygons and that these queries consider the spatial relationship between these geometries.
Published in Chapter: BIM and Geospatial Information Systems; From: Handbook of Research on Building Information Modeling and Construction Informatics: Concepts and Technologies
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Chapter 18
Query Support for BIMs using Semantic and Spatial Conditions
A spatial query uses properties and/or relationships that are of spatial nature and are not explicitly available in the BIM. To process a spatial query the 3D geometry model is analyzed.
Published in Chapter: Query Support for BIMs using Semantic and Spatial Conditions; From: Handbook of Research on Building Information Modeling and Construction Informatics: Concepts and Technologies
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