Undo in Context-aware Collaborative
Ubiquitous-Computing Environments
       Marco P. Locatelli and Marco Loregian
       ...
Undo



• Well known function of PC applications
• The capability of a system to perform a set
  of actions to fulfill the...
Undo in Context-aware Collaborative Ubiquitous-Computing Environments
Undo in Context-aware Collaborative Ubiquitous-Computing Environments
Undo in Context-aware Collaborative Ubiquitous-Computing Environments
Undo in Context-aware Collaborative Ubiquitous-Computing Environments
Undo in Context-aware Collaborative Ubiquitous-Computing Environments
Undo in Context-aware Collaborative Ubiquitous-Computing Environments
Undo in Context-aware Collaborative Ubiquitous-Computing Environments
Undo in Context-aware Collaborative Ubiquitous-Computing Environments
Undo in Context-aware Collaborative Ubiquitous-Computing Environments
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Undo in Context-aware Collaborative Ubiquitous-Computing Environments

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A comprehensive approach to the design of Ubiquitous Computing systems must deal with the issues related to the restoration of an earlier or acceptable state of the system, if possible, when users intentionally want to undo some previous actions. Systems supporting collaborative Ubiquitous Computing environments should provide a default undo function, but also provide users and applications with awareness information to correctly decide which (compensative) actions should be undertaken. In this paper we describe how to achieve undo in distributed, dynamic, context-aware systems. We present a general approach to undo in collaborative Ubiquitous Computing environments in terms of the CASMAS model: part of the approach relies on the notion of active coordination artifacts, as defined also in CSCW literature.

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Undo in Context-aware Collaborative Ubiquitous-Computing Environments

  1. 1. Undo in Context-aware Collaborative Ubiquitous-Computing Environments Marco P. Locatelli and Marco Loregian University of Milano-Bicocca (Italy)
  2. 2. Undo • Well known function of PC applications • The capability of a system to perform a set of actions to fulfill the will of the users to reach a state as if a previous command had never been given • Different possible strategies ••• ITIS Lab ••• http://www.itis.disco.unimib.it •••

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