REENGINEERING THE GEOPORTAL : APPLYING HCI AND GEOVISUALIZATION DISCIPLINES

This paper presents an overview of the use of techniques from Human-Computer Interaction and Geovisualization disciplines to design a new interface for locating and accessing datasets within a geospatial data infrastructure. The scenario-based design, which includes the usability evaluation as an integral part of the design, is used to evaluate the current clearinghouse portal, and then used to evoke design decisions in developing the interface for facilitating the users’ tasks. The interface design focuses on the effectiveness for mapping metadata on top of thematic maps and search interfaces. For this purpose, techniques and guidelines from the Geovisualization domain are used in this study.

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