WS-GIS: Towards a SOA-Based SDI Federation
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Overview: This research paper from Universidade Federal de Campina Grande presents the WS-GIS architecture which aims to implement a SOA-based SDI which promotes a set of spatial services and a federation of catalogs to enable distributed queries. The main purpose of such architecture is to enable integration of heterogeneous spatial data sets, by promoting interoperability, flexibility, service chaining and scalability. A prototype to work in a Regional SDI, in a real scenario of managing water resources in the Brazilian State of Paraiba is also built.