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Telephone Interface for Avalanche Warnings based on Information Server for Adaptable Content Delivery

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Presentation given at Pervasive 2002, International Conference on Pervasive Computing, Zurich, Switzerland, August 2002

ABSTRACT: We present a system that provides an advanced telephone service for the dissemination of both national and regional avalanche forecasts in the Swiss Alps. The service enables members of the public and also mountain guides to access forecast information while travelling in mountain areas and, particularly, to be notified when entering regions of high risk. By telephone access, we include both voice and WAP-based access as well as combinations of both. The service is achieved through the integration of a special forecast content delivery database, including geographical data for location-dependent delivery, into the overall avalanche information system architecture. This database was implemented using the XIMA framework for adaptable content delivery, which is based on an XML server for the OMS Java data management system and XSLT presentation templates. The speech interface was implemented using VoiceXML.

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  • Paper available at: http://vub.academia.edu/BeatSigner/Papers/88551/Telephone-Interface-for-Avalanche-Warnings-based-on-Information-Server-for-Adaptable-Content-Delivery
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Telephone Interface for Avalanche Warnings based on Information Server for Adaptable Content Delivery

  1. 1. Telephone Interface for Avalanche Warnings based on Information Server for Adaptable Content Delivery Beat Signer, Moira C. Norrie, Peter Geissbuehler and Daniel Heiniger Global Information Systems Group Department of Computer Science ETH Zurich, Switzerland
  2. 2. Avalanche Forecasting System WAP and Voice Access to Avalanche Forecasts Global Information Systems Group Department of Computer Science ETH Zurich, Switzerland
  3. 3. Avalanche Forecasting System ... Application user interfaces for WAP and voice access (multi-mode) national bulletin with maps and glossary local bulletin based on a region's name, GPS or Swiss Coordinates WAP responses for voice requests (mixed-mode) Push responses based on triggered events Global Information Systems Group Department of Computer Science ETH Zurich, Switzerland
  4. 4. XIMA HTML WML VXML Browser Browser Browser Main Entry Servlet Delegation XML + XSLT → Response HTML Servlet WML Servlet VXML Servlet Builds XML based on JDOM XML Server OM Model Global Information Systems Group OMS Java API Collections, Associations, Department of Computer Science multiple inheritance and multiple instantiation ETH Zurich, Switzerland OMS Java Workspace
  5. 5. Application Development OMS Pro Design and Prototyping Information Modelling XIMA / OMS Java Universal Client Access Data Management Generic Browsing Customised Application Interface Design Universal Client Access Global Information Systems Group Department of Computer Science Customised User Interface ETH Zurich, Switzerland
  6. 6. Conclusions Rapid application prototyping Database driven development of applications Universal client access (XHTML, WML, VXML,...) with generic browser Customised user interfaces Extensible for new types of client devices Global Information Systems Group Department of Computer Science ETH Zurich, Switzerland

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