Expanding SDI Hierarchy for Countries with Non-Federated System: A Case Study of Iran

Abstract

The need to geo-spatial data in different applications particularly for knowledge-based sustainable development is considerable. However, various problems encountered with production, dissemination and accessing geo-spatial data makes users to face with many difficulties when intending to use them. Spatial Data Infrastructure (SDI) is introduced as a solution to these problems. Success of an SDI strongly depends on partnership among different parties at different administrative levels involved in SDI development, which m akes SDI to have a complex nature. The general SDI Hierarchy model tries to simplify the complexity of SDI development. However, it is essential to expand this model in order to be adopted for specific initiatives at the implementation phase. This paper proposes expansion of SDI Hierarchy for Iran as a country with non-federated system. It also describes the concept and importance of Organizational SDI (OSDI) in developing National SDI (NSDI).

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