Abstract
Ubiquitous computing is a user-centric distributed computing paradigm, allowing users to access to their preferred services even while moving around. To make such a vision a reality, context-aware workflow management is one of key issues because the context of ubiquitous applications is highly varying. In this paper, we propose a context model for intelligent campus navigation applications, then present a context-adaptive workflow management algorithm which can dynamically adjust workflow execution policies in terms of current context information. Moreover, we model the workflow management algorithm in Petri nets. Our context model and workflow management algorithm may be easily extended to other ubiquitous applications with a little change on context structure.
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