This body of work has presented a classification framework for exception handling in PAIS based on patterns. The framework is independent of specific modelling approaches or technologies and as such provides an objective means of delineating the exception-handling capabilities of specific PAIS. It is subsequently used to assess the level of exceptions support provided by eight commercial PAIS and business process modelling languages. On the basis of these investigations, a graphical, tool-independent language is proposed for defining exception handling strategies in PAIS.

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