Article

NOKIS - Information Infrastructure for the North and Baltic Sea

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Abstract

General The initial motivation for the project NOKIS (German title: Nord- und Ostsee-Küsteninformationssystem) was the absence of an infrastructure for the exchange of geodata across administrative boundaries between the German wadden sea national parks and other governmental administrations (e.g. from water manage- ment and administration of waterways and navigation) on federal and state level. Today, within NOKIS around 20 partners from administration, research and industry are cooperating. The focus of the partici- pants moved from the mere goal of an information system towards the shared internet-based use of exist- ing geodata. The technologies and concepts in NOKIS reflect the common objectives of the participating partners, but they also grew from their different interests, problems and tasks. Some of the frequently discussed top- ics in the project since its start in the year 2000 are data and privacy protection, criteria for the distribution of data and the handling of the copyright of data. The micro cosmos of federalism in Germany can be seen as a biotope, in which the tasks, problems and their handling of the data exchange across institutional and administrative boundaries can be studied. First steps have been done to establish NOKIS as an institution. 2. Use of Standards From the beginning, NOKIS made use of existing and emerging standards. In the field of geodata, the ISO 19100 suite of standards concerning the standardization of metadata is already the de-facto standard for the erection of new geodata infrastructures (GDI). The NOKIS network uses especially the parts ISO 19115 (ISO 2003), ISO 19119 (ISO 2005) and TS 19139 (ISO 2007). In the developing network of differ- ent GDI's, the use of exchange standards is important for the interoperability of systems. NOKIS contrib- utes to the interoperable network by using standards from the Open Geospatial Consortium (OGC) and from the German implementation of the OGC ISO Application Profile for CSW (Catalog-Service for Web, CSW); Open Geospatial Consortium 2005) named DE-Profile (Länderübergreifender Arbeitskreis Metadaten 2005). Within NOKIS, a profile of the ISO 19115 has been developed, which meets the needs of the coastal community. To enable the documentation of time series and research projects within the same system, metadata schemas have been developed to include the necessary information.

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