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Recently, Turkey has entered a rapid urbanization process with the rapid change in population and migration from rural to urban areas. Urban sprawl has become a major problem due to the pressure of urban areas. Monitoring, analyzing and transparency of spatial plans have a great importance in order to solve this problem. A need of digitalize spatial plans using by GIS infrastructure has been arise in order to analyze, monitor and continuity. Geographical Information Systems (GIS) provides powerful decision support on many application areas from land use management to risk assessment and helps to find optimal solutions for complex problems. In studies conducted by local government has not based on any standards. Therefore, there is not any chance of data sharing and interoperability. In this context, it is aimed to drawing and storing spatial plans in digital platforms. In this paper we present Plan GML, which is a data exchange format has emerged that will be used in from local to national level. It is an open data model that is a XML based for the representation and exchange of spatial planning data base on GML that is an OGC (Open Geospatial Consortium) standard. In order to manage data effectively on designing spatial data infrastructure, Conceptual Model Components were defined based on European Spatial Data Infrastructure standards explained as INSPIRE. Unified Modelling Language (UML) is used designing application schemas of spatial data themes. Then, these diagrams are transformed to XSD (XML Schema Definition) data format that are used for describing GML data structure. This article provides a review of the data standardization process, Plan GML. It aims to explain fundamental of digitalization of spatial planning in Turkey including geometry, coordinate reference systems, attributes etc. In addition to defining information of spatial objects in this scheme, it allows thematic representations of spatial plans according to regulations. While academic studies help to design this schema, field works provides verification of this theoretical study on four pilot provinces.
Topic Area: [2.9] Challenges and approaches to standardization of data and interoperability of systems. Abstract Type: Oral Presentation
Comments: Spatial Data Infrastructure, Data Exchange, Data Standards, INSPIRE, GML, GIS
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