GeoCrystal: Graphic-Interactive Access to Geodata Archives
Key: GaaU02-1
Author: Stefan Göbel et al.
Date: January 2002
Kind: @conference
Book title: Visualization and Data Analysis 2002. Proceedings
Keywords: Geodata archives, Information visualization, Visual information retrieval, Data mining, Metadata information systems, Metaphors, Spatial landscapes, User interaction, GeoCrystal, GeoLibrary
Abstract: Recently there is spent a lot of effort to establish information systems and global infrastructures enabling both data suppliers and users to describe (-> eCommerce, metadata) as well as to find appropriate data. Examples for this are metadata information systems, online-shops or portals for geodata. The main disadvantages of existing approaches are insufficient methods and mechanisms leading users to (e.g. spatial) data archives. This affects aspects concerning usability and personalization in general as well as visual feedback techniques in the different steps of the information retrieval process. Several approaches aim at the improvement of graphical user interfaces by using intuitive metaphors, but only some of them offer 3D interfaces in the form of information landscapes or geographic result scenes in the context of information systems for geodata. This paper presents GeoCrystal, which basic idea is to adopt Venn diagrams to compose complex queries and to visualize search results in a 3D

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