LADM Implementation in Colombia : Process, Methodology and Tools Developed and Applied
Lorenz Jenni et al.
The Swiss Government currently supports the financing of a project that provides technical assistance to the Colombian institutions for establishing the conceptual and technical bases of a modernized land administration. Because of the large number of institutions involved in land administration in Colombia, and the need for improved data interoperability, the project Implementing Agency suggested a Model-Driven Approach, where the adoption of the Land Administration Domain Model (LADM) described in the ISO 19152:2012 norm, plays a central role. Based on Germann et al. (2014), the project then proposed to describe the conceptual LADM country profile of Colombia with INTERLIS, a data model description- and exchange-standard successfully used in the Swiss Cadastre and Spatial Data Infrastructure. The developed INTERLIS based LADM data model is presently being used in the World Bank funded Multipurpose Cadastre pilot projects, executed by the Colombian National Planning Department (DNP). The article provides an overview of the needs in Colombia for new standards to increase data-interoperability in the Land Administration Domain. The detailed data modelling process, from the conceptual country profile of the LADM to the implementing model based on INTERLIS is then described. Furthermore, some technical details regarding the ?INTERLIS for LADM approach? are discussed and the specific tools, existing and developed, used for managing the standards and data are explained. A special focus will be given on the Data Validation Tools and its integration with a web service, for massive testing of cadastral data against the model.
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