engleski

Is LADM ready for maritime domain? - Case study Croatia

Onshore and offshore areas share a lot of common features, but also have some significant differences, which reflect in the way they are defined and registered. Traditionally, land administration key registers emerge from the onshore area, they have been developed and technologically improved during many decades because of daily demand for their data and nowadays are in a stable and mature evolution phase. Registers covering offshore area, i.e. maritime domain, are usually derived from onshore registers or developed on purpose, and they are generally on various technological and operational levels. Analysis of the current nautical International Hydrographic Organization (IHO) standards shows the lack of steadily increasing and highly demanded tenure information on maritime areas. In this paper, an analysis of maritime areas registration in Croatia has been performed by using Unified Modeling Language (UML) as a modeling tool. The analysis includes key land registers, Cadastre and Land book, Register of territorial units, Register of concessions on maritime domain, Register of cultural property, Register of protected areas, Register of approved mineral resources exploration areas and Register of established mineral resources exploitation fields, Register of issued licenses for fish and other marine organisms farming, Environmental pollution register, as well the fishing zones, explicitly defined by the relevant law. Registration of administrative units, parties and rights, restrictions and responsibilities often involves more than one register, which is included in the models. The relevant LADM classes and attributes were identified in class diagrams and the model of registration was compared to LADM using schema matching methodology, by identifying semantically equivalent classes, attributes and structures. The suitability of using LADM as a conceptual model for registration of maritime areas in Croatia has been evaluated, including the possible upgrades and extensions of the current model.

LADM, Maritime Domain, Schema Matching

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