Towards a context ontology for geospatial data integration

Authors:
Damires Souza;Ana Carolina Salgado;Patricia Tedesco
Affiliations:
Centro de Informática, Universidade Federal de Pernambuco,Brazil, Recife, PE, Brazil;Centro de Informática, Universidade Federal de Pernambuco,Brazil, Recife, PE, Brazil;Centro de Informática, Universidade Federal de Pernambuco,Brazil, Recife, PE, Brazil
Venue:
OTM'06 Proceedings of the 2006 international conference on On the Move to Meaningful Internet Systems: AWeSOMe, CAMS, COMINF, IS, KSinBIT, MIOS-CIAO, MONET - Volume Part II
Year:
2006

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Abstract

Recently, Geospatial data and Geographic Information Systems (GIS) have been increasingly used As a result, the integration of geospatial data has become a crucial task for decision makers Since GIS and geospatial databases are designed by different organizations using different representation models and there are diverse levels of detail for the spatial features, it is much more complex to achieve data integration in geospatial databases To help matters, context information may be employed to improve two fundamental aspects in Geospatial Data Integration: (1) schema mapping generation and (2) query answering However, a relevant issue when using context is how to better represent context information Ontologies are an interesting approach to represent context, since they enable sharing and reusability and help reasoning In this paper, we propose a context ontology to formally represent context in geospatial data integration We also present an example where this context ontology is used to improve query processing.