Enhancing the Process of Knowledge Discovery in Geographic Databases Using Geo-Ontologies

Enhancing the Process of Knowledge Discovery in Geographic Databases Using Geo-Ontologies

Vania Bogorny (Universidade Federal do Rio Grande do Sul (UFRGS), Brazil), Paulo Martins Engel (Transnational University of Limburg, Belgium) and Luis Otavio Alavares (Transnational University of Limburg, Belgium)
DOI: 10.4018/978-1-59904-618-1.ch009
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Abstract

This chapter introduces the problem of mining frequent geographic patterns and spatial association rules from geographic databases. In the geographic domain most discovered patterns are trivial, non-novel, and non-interesting, which simply represent natural geographic associations intrinsic to geographic data. A large amount of natural geographic associations are explicitly represented in geographic database schemas and geo-ontologies, which have not been used so far in frequent geographic pattern mining. Therefore, this chapter presents a novel approach to extract patterns from geographic databases using geo-ontologies as prior knowledge. The main goal of this chapter is to show how the large amount of knowledge represented in geo-ontologies can be used to avoid the extraction of patterns that are previously known as non-interesting.

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