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A Taxonomy of Spatial Data Integrity Constraints

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Abstract

Spatial data quality has become an issue of increasing concern to researchers and practitioners in the field of Spatial Information Systems (SIS). Clearly the results of any spatial analysis are only as good as the data on which it is based. There are a number of significant areas for data quality research in SIS. These include topological consistency; consistency between spatial and attribute data; and consistency between spatial objects’ representation and their true representation on the ground. The last category may be subdivided into spatial accuracy and attribute accuracy. One approach to improving data quality is the imposition of constraints upon data entered into the database. This paper presents a taxonomy of integrity constraints as they apply to spatial database systems. Taking a cross disciplinary approach it aims to clarify some of the terms used in the database and SIS fields for data integrity management. An overview of spatial data quality concerns is given and each type of constraint is assessed regarding its approach to addressing these concerns. Some indication of an implementation method is also given for each.

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Authors and Affiliations

  1. Department of Information Science, University of Otago, PO Box 56, Dunedin, New Zealand

    Sophie Cockcroft

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  1. Sophie Cockcroft
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Cockcroft, S. A Taxonomy of Spatial Data Integrity Constraints. GeoInformatica 1, 327–343 (1997). https://doi.org/10.1023/A:1009754327059

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