Flexible support of team processes by adaptive workflow systems

Stefanie Rinderle, Manfred Reichert, Peter Dadam

Research output: Contribution to journalArticlepeer-review

134 Scopus citations

Abstract

Process-oriented support of collaborative work is an important challenge today. At first glance, Workflow Management Systems (WfMS) seem to be very suitable tools for realizing team-work processes. However, such processes have to be frequently adapted, e.g., due to process optimizations or when process goals change. Unfortunately, runtime adaptability still seems to be an unsolvable problem for almost all existing WfMS. Usually, process changes can be accomplished by modifying a corresponding (graphical) workflow (WF) schema. Especially for long-running processes, however, it is extremely important that such changes can be propagated to already running WF instances as well, but without causing inconsistencies and errors. The paper presents a general and comprehensive correctness criterion for ensuring compliance of in-progress WF instances with a modified WF schema. For different kinds of WF schema changes, it is precisely stated, which rules and which information are needed at mininum for satisfying this criterion.

Original languageEnglish
Pages (from-to)91-116
Number of pages26
JournalDistributed and Parallel Databases
Volume16
Issue number1
DOIs
StatePublished - Jul 2004
Externally publishedYes

Keywords

  • Adaptive systems
  • Compliance checks
  • Schema evolution
  • Workflow management

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