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Using Distributed Semantic Catalogs for Information Discovery on Spatial Data Infrastructures

Using Distributed Semantic Catalogs for Information Discovery on Spatial Data Infrastructures

Fabio Gomes de Andrade, Fábio Luiz Leite, Cláudio de Souza Baptista
Copyright: © 2011 |Pages: 21
ISBN13: 9781609601928|ISBN10: 1609601920|EISBN13: 9781609601942
DOI: 10.4018/978-1-60960-192-8.ch006
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MLA

Gomes de Andrade, Fabio, et al. "Using Distributed Semantic Catalogs for Information Discovery on Spatial Data Infrastructures." Geospatial Web Services: Advances in Information Interoperability, edited by Peisheng Zhao and Liping Di, IGI Global, 2011, pp. 118-138. https://doi.org/10.4018/978-1-60960-192-8.ch006

APA

Gomes de Andrade, F., Leite, F. L., & Baptista, C. D. (2011). Using Distributed Semantic Catalogs for Information Discovery on Spatial Data Infrastructures. In P. Zhao & L. Di (Eds.), Geospatial Web Services: Advances in Information Interoperability (pp. 118-138). IGI Global. https://doi.org/10.4018/978-1-60960-192-8.ch006

Chicago

Gomes de Andrade, Fabio, Fábio Luiz Leite, and Cláudio de Souza Baptista. "Using Distributed Semantic Catalogs for Information Discovery on Spatial Data Infrastructures." In Geospatial Web Services: Advances in Information Interoperability, edited by Peisheng Zhao and Liping Di, 118-138. Hershey, PA: IGI Global, 2011. https://doi.org/10.4018/978-1-60960-192-8.ch006

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Abstract

Spatial data sharing among both private and public organizations is an old issue. Spatial Data Infrastructures (SDIs) have been proposed to solve data integration and discovery problems. Nonetheless, they can only partially work out these problems, as most of their catalog services are built on keyword based search. This approach always results in low precision on searching results. One of the greatest challenges in spatial integration is to provide the semantics for underlying data and services. This chapter describes a distributed catalog service that uses ontologies to describe underlying information so as to improve searching precision. The proposed catalog service can rewrite and propagate queries to other distributed catalogs to cooperate and exchange information directly without the traditional problems imposed by a centralized architecture.

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