A Context-Aware Data Management System for Ubiquitous Computing Applications

  • Authors:
  • Christopher K. Hess;Roy H. Campbell

  • Affiliations:
  • -;-

  • Venue:
  • ICDCS '03 Proceedings of the 23rd International Conference on Distributed Computing Systems
  • Year:
  • 2003

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Abstract

One of the factors that differentiates ubiquitous computingfrom traditional distributed computing is context. Context,such as time, location, and situation, allows a system to adaptto the current surroundings in order to facilitate the use ofthe computational environment. In this paper, we presenta file system for ubiquitous computing applications that iscontext-aware. Context is used to support the types of applicationsand devices that are found in ubiquitous computingspaces. Novel features of the system include how the viewof data adapts to the activity being currently performed andhow user data is imported into the local environment. Oursystem is evaluated as part of a ubiquitous computing infrastructuredeployed in a seminar room to investigate issues ofperformance, scalability, and usability.