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Improving backward recovery in workflow systems

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conference contribution
posted on 2024-07-12, 22:42 authored by Chengfei LiuChengfei Liu, Maria Orlowska, Xuemin Lin, Xiaofang Zhou
The notion of compensation is widely used as means of backward recovery in long-lived transactions as well as business processes supported by workflow management systems. In general, it is non-trivial to design compensating tasks for tasks in the context of a workflow. Actually, a task does not have to be compensatable. In this paper we first look into the requirements that a compensating task has to satisfy. Then we introduce a new mechanism called confirmation. With the help of confirmation, we can modify some non-compensatable tasks so that they become compensatable. This greatly improves backward recovery for workflow applications in case of failures. To effectively incorporate confirmation and compensation into the workflow management environment, a three level bottom-up workflow design method is introduced. The implementation issues of this design are also discussed.

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ISBN

9780769509969

Journal title

7th International Conference on Database Systems for Advanced Applications (DASFAA), Hong Kong, 18-21 April 2001

Conference name

7th International Conference on Database Systems for Advanced Applications DASFAA, Hong Kong, 18-21 April 2001

Issue

1

Pagination

7 pp

Publisher

IEEE

Copyright statement

Copyright © 2001 IEEE. The published version is reproduced in accordance with the copyright policy of the publisher. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.

Language

eng

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