(Research Group Cartography, Vienna University of Technologym Vienna, Austria)
Keywords: SDI, core data, data integration, cultural heritage requirements
In cultural heritage a diversity of documents and data are collected. Documents span from excavation diaries to published scientific papers and books for a wide public. Data recordings span from technical drawings, measurements, surveying methodologies to different photogrammetric and even remote sensing recordings. All those documenting parts play their role in the cultural historic puzzle and deliver important information of actual knowledge. Therefore these parts have to be available for fast evaluation. In addition all collected information and maps need to be digitally findable, accessible and prepared for further use. Heritage scientists have the requirement to refer to this various information sources and rework the outcomes. New insights can be achieved even by an digital of digitally supported workflow.
Spatial Data Infrastructures (SDI) and its technological components provide a framework to make information sources findable and reusable. It establishes decentral data integration. Data integration itself calls for a definition of core data, the basic topographic building blocks, which are used to geo- and time-reference thematic (as well as heritage) datasets. The main IT principle which allows to share information without copying the data, is a service-oriented architecture. Its most important building block are metadata, which should be standardized for global distribution and the foundation of knowledge networks.
This contribution introduces into the main components of SDI, discussed core datasets and evaluates the main requirements for cultural heritage data.