Abstract
Expanding the ICA model of stakeholders in a spatial data infrastructure (SDI)
Highlights
The Enterprise Viewpoint model (Hjelmager et al, 2008) included six types of stakeholders in an spatial data infrastructures (SDIs): Policy Maker, Producer, Provider, Broker, Value-added Reseller and End User
The International Cartographic Association (ICA) Commission did not investigate the Engineering and Technology Viewpoints of an SDI, because they are implementation-specific and the Commission has aimed at providing technology-independent models for an SDI
The ICA Commission assessed whether or not these SDI models catered for volunteered geographical information (VGI), that is, user-generated geospatial content, or user-generated content with geospatial components
Summary
No mapping agency can expect to capture and process entirely by itself, all the geospatial data needed for its products. The agency needs data sets from elsewhere and workflows and protocols for creating its various products. Such workflows and inter-institutional arrangements have evolved into broader collaborations, as spatial data infrastructures (SDIs). The Commission on SDI & Standards (and its predecessors) of the International Cartographic Association (ICA) has developed formal models of an SDI, using the viewpoints of the Reference Model for Open Distributed Processing (RM-ODP) and the Unified Modeling Language (UML) for the detailed modelling. The ICA Commission did not investigate the Engineering and Technology Viewpoints of an SDI, because they are implementation-specific and the Commission has aimed at providing technology-independent models for an SDI. Other researchers have used the Engineering and Technology Viewpoints for specific SDIs
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