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Auflistung nach Autor:in "Wotruba, Lukas"

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  • Konferenzbeitrag
    Drowning in Geospatial Point Data: A Pattern Based Approach
    (Integration of Environmental Information in Europe, 2010) Waldvogel , Bettina; Wotruba, Lukas; Müller, Kalin; Bischof, Sandro
    Collecting, storing and archiving data are well understood processes. However, it is not trivial do decide, in which form and how much of the data should be presented to the user. More is not always better. The purpose of this contribution is to present a new way to focus on the basic need for simple answers to simple queries. In this paper three query-patterns are described, which help to reduce the information flood and enhance the usability. The amounts of point data we talk about are rather large for geo-data processing, in particular they are very large in terms of human perception. It is found that the presented patterns can reduce the amount of data by several orders of magnitude by focusing on areas and species of particular interest.
  • Konferenzbeitrag
    The Data Centre Nature and Landscape (DNL): Service Oriented Architecture, Metadata Standards and Semantic Technologies in an Environmental Information System
    (Environmental Informatics and Industrial Environmental Protection: Concepts, Methods and Tools, 2009) Bauer-Messmer, Bettina; Wotruba, Lukas; Müller, Kalin; Bischof, Sandro; Grütter, Rolf; Scharrenbach, Thomas; Meile, Rolf; Hägeli, Martin; Schenker, Jürg
    The Data centre Nature and Landscape (DNL), originally planned as a long-term database for biotope information, has constantly evolved over the last 11 years. It is now a virtual data centre connecting several databases located all over Switzerland, enriched with a user-friendly web interface, which has been partially redesigned into a service oriented architecture. It can now offer open and intuitive search facilities based on semantic technologies. Many lessons have been learned, particularly in the field of heterogeneous environmental information systems. The purpose of this paper is to share our experience with other experts developing and maintaining environmental information systems.