Abstract. Geospatial information systems (GIS) provide a central infrastructure forcomputer supported crisis management in terms of database, analytical models and visualization tools, but the user interfaces of such systems are still hard to use, and do not address the special needs of crisis managers who often work in teams and make judgments and decisions under stress. This paper articulates the overall challenges for effective GIS interfaces to support crisis management in three dimensions: immediacy, relevancy, and sharing. These three requirements are addressed by an integrated approach, taking a human-GIS interaction perspective. To demonstrate the feasibility of this approach, we cite our prototype system, DAVE_G (Dialogue-Assisted Visual Environment for Geoinformaton), as an example. DAVE_G uses a large screen display to create a shared workspace among team members, and allows risk managers to interact with a GIS through natural multimodal (speech/gesture) dialogues. This work highlights the design challenges and the required technical innovations towards the goal of making geographical information accessible to crisis management teams.Keywords: geographical information systems, human-computer interaction, multimodal interface, speech and gesture, dialogue management, geovisualization
Bibliographical notes: Guoray Cai is Assistant Professor of Information Sciences andTechnology with the school of Information Sciences and Technology at the Pennsylvania State University. He is the director of the Spatial Information and Intelligence Laboratory, and an affiliate faculty of GeoVISTA center at Penn State. His research interests include spatial information retrieval, multimodal interfaces for GIS, conversational dialogue systems, and map-mediated communication and collaboration. He is a member of ACM, IEEE, and AAG (American Association of Geographers). Representation, Visualization, and Design (New York, Guilford, 1995). Dr. MacEachren is currently Chair of the International Cartographic Association Commission on Visualization and Virtual Environments.
Rajeev Sharma is an Associated Professor of Computer Science and Engineering atIsaac Brewer is a Ph.D. degree candidate at the Department of Geography and the GeoVISTA Center, Pennsylvania State University, University Park. His dissertation research is focused on the development of a cognitive systems engineering approach to guide design of advanced human-computer interfaces that support collaborative actions with a GIS in emergency management situations. His long-term research interests are in the modeling of human cognitive processes and visual systems as it relates to the design of new interface technologies for geographical information.