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A Framework for Programming Robust Context-Aware Applications

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2 Author(s)
Kulkarni, D. ; Dept. of Comput. Sci. & Eng., Univ. of Minnesota Minneapolis, Minneapolis, MN, USA ; Tripathi, A.

In this paper, we present a forward recovery model for programming robust context-aware applications. The mechanisms devised as part of this model fall into two categories: asynchronous event handling and synchronous exception handling. These mechanisms enable designing recovery actions to handle different kinds of failure conditions arising in context-aware applications. These include service discovery failures, service binding failures, exceptions raised by a service, and context invalidations. This model is integrated in the high-level programming framework that we have designed for building context-aware collaborative (CSCW) applications. In this paper, we demonstrate the capabilities of this model for programming various kinds of recovery patterns in context-aware applications.

Published in:

Software Engineering, IEEE Transactions on  (Volume:36 ,  Issue: 2 )

Date of Publication:

March-April 2010

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