Progressive Access: A Step towards Adaptability in Web-Based Information Systems

  • Marléne Villanova-Oliver
  • Jérôme Gensel
  • Hervé Martin
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 2425)


Web-based Information Systems (WIS) are used for diffusing and processing information over the Internet. Because of the large amounts of information they manage, it is crucial to adapt the delivered information. This can be done by giving users a progressive access to information. For this purpose, we propose to stratify the Information Space of a WIS by decomposing it into personalized sub-Information Spaces. This stratification is described through a Progressive Access Model (PAM) written in UML. The PAM gives WIS users, first, access to some information considered as minimal and essential, and then, allows them to navigate through larger and/or smaller personalized Information Spaces. Together with the PAM, we present a specific query language which allows to query a stratified Information Space. This way, the stratification is taken into account in query expressions, while replies are formatted according to the different levels of detail available in the stratified user’s Information Space.


Query Language Class Diagram Information Space Class Teacher High Abstraction Level 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2002

Authors and Affiliations

  • Marléne Villanova-Oliver
    • 1
  • Jérôme Gensel
    • 1
  • Hervé Martin
    • 1
  1. 1.Laboratoire LSR - IMAGSaint Martin d’Héres cedexFrance

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