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Lessons learned from the Creation of the LADM based Country Profiles

A roadmap (consisting of six stages) to adopt the LADM in the cadastral information system has been provided in Kalantari et al (2015). Referring to this six-stage roadmap for LADM implementation, the paper focuses mainly on the stage 4 Data Organization, i.e. how different data entities are linked to each other. The LADM is regarded as a conceptual model that enforces certain relationships between the entities. On principle, there are three main ways in which the LADM based country profile can be developed: (1) to use LADM classes, attributes, code lists and relationships between classes “as is”, (2) to show an inherited structure between the LADM and the existing cadastral model, or (3) to show a mapping of elements between LADM and the existing cadastral model. The last two approaches will be probably used in countries with well-functioning cadastral information system. In this way the LADM based country profiles have also been created for Croatia (Vučić et al, 2015), Czech Republic (Janečka and Souček, 2017), Poland (Bydłosz, 2015), and Serbia (Radulović et al, 2017). Basically, the profiles for these four European countries have been proposed in academia. It means, that an initial activity for creation of the LADM based country profile didn’t come from the body or agency responsible for the cadastre (e.g. national mapping agency), but from academia. This activity could be seen as an irreplaceable role of the academia, to demonstrate the usefulness of the 3D cadastre and be a partner for government organizations. The paper explores the issues met during the preparation of the LADM based country profiles for these four countries when the “need” for LADM based country profile came from academia. The description of ways in which these issues were solved could help to those who are going to propose their new LADM based country profiles.

ISO 19152, 3D Cadastre, Country Profile

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