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Efficient data modeling and querying system for multi-dimensional spatial data

Published: 05 November 2008 Publication History

Abstract

Multi-dimensional spatial data are obtained when a number of data acquisition devices are deployed at different locations to measure a certain set of attributes of the study subject. How to manipulate these spatial data remains a challenge to the database community, especially when the spatial locations are represented in 3D. In this work, we establish a data model to handle multi-dimensional spatial data with three spatial dimensions. In particular, firstly, a clustering algorithm is applied to group the data set into "point clouds". Secondly, each cloud is considered as a 3D spatial convex object and triangulated into a set of tetrahedrons. Thirdly, all tetrahedron sets are stored in the database and spatial analysis is performed. In this paper, we focus on defining 3D spatial operations and relationships for 3D spatial elements (points, segments, triangles and tetrahedrons), and further applying these operations on 3D spatial objects, where each object is composed of a set of tetrahedrons.

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cover image ACM Conferences
GIS '08: Proceedings of the 16th ACM SIGSPATIAL international conference on Advances in geographic information systems
November 2008
559 pages
ISBN:9781605583235
DOI:10.1145/1463434
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Publication History

Published: 05 November 2008

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Author Tags

  1. 3D spatial data
  2. data modeling
  3. multi-dimensions

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Overall Acceptance Rate 257 of 1,238 submissions, 21%

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