Geo-enabling spatially relevant data for mobile information use and visualisation

Alistair J. Edwardes*, Dirk Burghardt, Eduardo Dias, Ross S. Purves, Robert Weibel

*Corresponding author for this work

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review

Abstract

This paper addresses the methodological issues of developing and visualising added value geo-enabled content for mobile information systems. The research was carried out under the framework of WebPark, an EC-IST R&D project that developed a location aware application for nature/protected areas. The evaluation of existing information sources - tourism information, research data, and multimedia content - revealed that the tourism information and multimedia content analysed did not have an active geographic component and the geographic research data (e.g. animal counts/observations) had a clear mismatch as regards the visitors' information needs. Therefore, different types of data processing were developed and performed in order to render existing information sources useful for location-based services. Data preparation also included building hierarchical data structures (quadtrees and hierarchical stream ordering). The paper shows how these data structures are exploited to facilitate real-time generalisation in order to efficiently present thematic point data on portable devices. Finally, three key lessons for geo-enabling location-based services are presented.

Original languageEnglish
Title of host publicationWeb and Wireless Geographical Information Systems - 5th International Workshop, W2GIS 2005, Proceedings
Pages78-92
Number of pages15
Publication statusPublished - 14 Jun 2006
Event5th International Workshop on Web and Wireless Geographical Information Systems, W2GIS 2005 - Lausanne, Switzerland
Duration: 15 Dec 200516 Dec 2005

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume3833 LNCS
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349

Conference

Conference5th International Workshop on Web and Wireless Geographical Information Systems, W2GIS 2005
CountrySwitzerland
CityLausanne
Period15/12/0516/12/05

Keywords

  • Environmental information
  • Geoenabling
  • Hierarchical data structures
  • LBS
  • Location modelling
  • Mobile information services
  • Real-time cartographic generalisation
  • Tessellations
  • Visualisation

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