Abstract
Abstract:With the advances in the World Wide Web and Geographic Information System, geospatial services have progressively developed to provide geospatial data and processing functions online. In order to efficiently discover and manage the large amount of geospatial services, these services are registered with semantic descriptions and categorized into classes according to certain taxonomies. Most taxonomies for geospatial services are only provided in the human readable format. The lack of semantic description for taxonomies limits the semantic-based discovery of geospatial services. The objectives of this paper are proposing an approach to semantically describe the taxonomy of geospatial services and using the semantic descriptions for taxonomy to improve the discovery of geospatial services. A semantic description framework is introduced for geospatial service taxonomy to describe not only the hierarchical structure of classes but also the definitions for all classes. The semantic description of taxonomy base on this framework is further used to simplify the semantic description and registration of geospatial services and enhance the semantic-based service matching method.
Highlights
Geospatial services are modularized programs developed to facilitate the discovery, access, and composition of geospatial information and processing functions over the Internet (Di et al 2005, De Oliveira, De Oliveira, and Davis 2010)
The objectives of this paper are proposing an approach to semantically describe the taxonomy of geospatial services and using the semantic descriptions for taxonomy to improve the discovery of geospatial services
The semantic description of taxonomy is used to improve the discovery of geospatial services
Summary
Geospatial services are modularized programs developed to facilitate the discovery, access, and composition of geospatial information and processing functions over the Internet (Di et al 2005, De Oliveira, De Oliveira, and Davis 2010). With the advances in the World Wide Web and Geographic Information System (GIS), there are a large amount of online geospatial services that provide various geospatial data and functions. Categorizing these services into classes according to taxonomy is an effective way for service management and discovery. The correlation between service descriptions and application requirements is checked according certain rules, and the services that fulfill the application requirements are returned as results. OWL-S supplies web service providers with a core set of concepts for describing the properties and capabilities of their Web services in unambiguous, computer-interpretable form (Martin et al 2007)
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