Deriving Spatial Integrity Constraints from Geographic Application Schemas

Deriving Spatial Integrity Constraints from Geographic Application Schemas

Clodoveu A. Davis Jr. (Pontificia Universidade Católica de Minas Gerais and Empresa de Informática e Informação do Município de Belo Horizonte, Brazil), Karla A.V. Borges (Empresa de Informática e Informação do Município de Belo Horizonte and Universidade Federal de Minas Gerais, Brazil) and Alberto H.F. Laender (Universidade Federal de Minas Gerais, Brazil)
Copyright: © 2005 |Pages: 8
DOI: 10.4018/978-1-59140-560-3.ch030
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Abstract

Integrity constraints of various kinds must be observed when creating or updating a database in order to preserve the semantics and the quality of stored data (Elmasri & Navathe, 2000). Within the scope of geographic applications, integrity assurance requires special attention from the designer, since most geographic applications use data that depend on spatial relationships (Egenhofer & Franzosa, 1991), thereby requiring the specification of spatial integrity constraints.

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