Automatic conversion of real-world data from a German road infrastructure management system into a labelled property graph

Maintenance of road infrastructure in many countries, including Germany, is carried out by various specialised institutions. These institutions use separate systems that often rely on relational databases. As a result, it becomes nearly impossible to conduct a comprehensive analysis of road infrastructure data. To address this challenge, graph-based representations are commonly used to enable more flexible and comprehensive data linking. This paper introduces an approach to represent geospatial data as a labelled property graph (LPG). The standardization of geospatial data provision through Web Feature Services is leveraged to develop a universal concept for creating the graph representation of geospatial data. The resulting LPG enables a more flexible evaluation of road management data stored in established GIS-based systems, facilitating integration into comprehensive systems. Real-world data from the road management system in Bavaria, a state in Germany, is transformed into an LPG to validate the concept, and an example of a comprehensive query is provided.