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Auflistung nach Autor:in "Riegel, Thomas"

1 - 5 von 5
  • Konferenzbeitrag
    Easy Access to Environmental Information with PortalU
    (Managing Environmental Knowledge, 2006) Vögele, Thomas; Klenke, Martin; Kruse, Fred; Lehmann, Hanno; Riegel, Thomas
    Since the end of May 2006, PortalU, the new German Environmental Information Portal, is online. PortalU provides one-stop access to government-owned environmental information in Germany. The portal organizationally and technically integrates the access to a large number of heterogeneous and geographically distributed information sources. A user-friendly interface in addition to advanced searchand visualisation tools enables experts and nonexperts alike to find and view texts of national and regional legislation, information about environmental policies and programmes, environmental reports, monitoring data, digital maps, and many other types of environmental information and data. PortalU is part of the administration’s strategy to comply with the Arhus-Convention and EUDirective 2003/4/EC, both calling for better public access to environmental information. From a citizen’s point of view, the portal helps to find relevant information about the national, regional and local environment in a fast and effective way. PortalU replaces the former German Environmental Information Network (gein®) and integrates the Environmental Data Catalogue (UDK).
  • Konferenzbeitrag
    gein — Planning the Next Generation
    (The Information Society and Enlargement of the European Union, 2003) Kruse, Fred; Karschnick, Oliver; Töpker, Stefanie; Riegel, Thomas
    The German Environmental Information Network gein is a portal for environmental data of the German federal government and the German states. It was developed and operated by the Federal Office for Environment Protection the last three years. With the beginning of 2003 a new administrative agreement UDK/GEIN (UDK means in German Umweltdatenkatalog, the German catalogue of environmental data) has come effective. Within the new administrative cooperation a redesign of the application is being discussed. In this paper the coordination centre UDK/GEIN presents the concept for the fusion of UDK and gein ®.
  • Konferenzbeitrag
    Generische Datenintegration zur semantischen Diagnoseunterstützung im Projekt THESEUS MEDICO
    (INFORMATIK 2011 – Informatik schafft Communities, 2011) Stegmaier, Florian; Döller, Mario; Schlegel, Kosch; Kai; Seifert, Sascha; Kramer, Martin; Riegel, Thomas; Hutter, Andreas; Thoma, Marisa; Kriegel, Hans-Peter; Hammon, Matthias; Cavallaro, Alexander
    Derzeitig basiert der diagnostische Prozess eines Krankheitsverlaufes in Krankenhäusern auf einer manuellen Beurteilung von Patientendaten zu unterschiedlichen Zeiten und unterschiedlichen Modalitäten (z. B. CT-Aufnahmen vs. MRT). Diese Aufnahmen werden in sehr großen Datenarchiven (Picture Archiving and Communication System, PACS) gespeichert, wohingegen einzelne Datensätze aufgrund von fehlenden aussagekräftigen semantischen Annotationen nur bedingt effizient angefragt werden können. In diesem Artikel wird ein generischer Ansatz vorgestellt, um die heterogenen Kliniksysteme durch moderne, semantisch aussagekräftige Technologien zu verbinden und uniform anfragbar zu machen. Durch einen uniformen Zugriff bezüglich Speicherungsform und Anfrageparadigma wird auf diese heterogene Datenlandschaft eine hochwertige semantische Diagnoseunterstützung ermöglicht.
  • Konferenzbeitrag
    InGrid 1.0 – The Nuts and Bolts of PortalU
    (Managing Environmental Knowledge, 2006) Klenke, Martin; Kruse, Fred; Lehmann, Hanno; Riegel, Thomas; Vögele, Thomas
    After the official launch in May 2006, PortalU will act as the new internet portal of the German environmental authorities. The “U” in PortalU stands for “Umwelt”, the german word for the environment. PortalU will provide access to government-owned environmental information of the 16 federal German states and the German federal government. The application replaces the actual “German Environmental Information Network” gein® (Vögele et al. 2004). Moreover, the “Virtual-UDK” (Swoboda et al. 1999), currently acting as the top-level environmental metadata query component of the German environmental authorities, will be merged with PortalU. The well-established UDK metadata model, however, will retain its importance as de-facto standard within the environmental community in Germany. Hence, the ISO19115 and ISO19119 compliant model builds the basis of the metadata component of PortalU. The step from gein® and the Virtual-UDK to PortalU is accompanied by a complete technical redesign which will enhance the functionality of the PortalU predecessors in many aspects. This new set-up is needed to include, as required by the new EU-directive 2003/4/EC on public access to environmental information (EU 2003), a much larger number of providers of environmental information, including agencies on the local level. It is also needed to be able to provide better access to environmental information that is not yet online or belongs to the so-called “hidden web”. Our paper describes the concepts and architecture of the software behind PortalU: InGrid 1.0. The name InGrid relates to “Information Grid”, pinpointing to the distributed approach of the new system. To support direct access to environmental data and metadata, the new system architecture features distributed indices based on highly adaptable database interfaces and a self-administrating peer-to-peer communication infrastructure. A number of standardized interfaces, including a web catalog service conforming to ISO and OGC standards and recommendations enable PortalU and other InGrid information nodes in the network to benefit from and contribute to other data infrastructures, for example the German national geodata infrastructure GDI-DE and the EC INSPIRE initiative (RDM Working Group 2002).
  • Konferenzbeitrag
    The UDK and ISO 19115 Standard
    (The Information Society and Enlargement of the European Union, 2003) Karschnick, Oliver; Kruse, Fred; Töpker, Stefanie; Riegel, Thomas; Eichler, Marco; Behrens, Sven
    The German Environmental Data Catalogue UDK (German: Umweltdatenkatalog) is the standard tool for public access to environmental metadata in Germany and Austria. Considering the necessity of presenting more data from different sources in a homogeneous way, the UDK needs a normative data model for exchanging easily data with other databases like GeoMIS.Bund. In order to achieve this aim the UDK data model is extended to be compatible with the ISO 19115 standard (International Organization for Standardization) for geographic Information, finally aiming to fulfill the Directive of the European Parliament and of the Council on public access to environmental information. In this paper an actual review about the UDK is given and the development of the ISO 19115 compatibility is presented. Zusammenfassung Der Deutsche Umweltdatenkatalog UDK ist die Standardanwendung für den öffentlichen Zugang zu Umweltmetadaten in Deutschland und Österreich. Aufgrund der Notwendigkeit, immer mehr Umweltdaten aus unterschiedlichen Quellen einheitlich darzustellen, benötigt der UDK ein normiertes Datenmodel, so dass der Datenaustausch mit anderen Systemen, wie z.B. GeoMIS.BUND ermöglicht wird. Um dieses Ziel zu erreichen, wird das UDK Datenmodell gemäß des ISO 19115 Standards (International Organization for Standardization) erweitert, sodass die Richtlinie 2003/4/EG über den Zugang der Öffentlichkeit zu Umweltinformationen erfüllt wird. In diesem Artikel wird ein aktueller Überblick über den UDK gegeben und die Anpassung an die ISO 19115 vorgestellt.