Beautiful workflows : a matter of taste?

Research output: Chapter in Book/Report/Conference proceedingChapterAcademic

2 Citations (Scopus)

Abstract

Workflows can be specified using different languages. Mainstream workflow management systems predominantly use procedural languages having a graphical representation involving AND/XOR splits and joins (e.g., using BPMN). However, there are interesting alternative approaches. For example, case handling approaches are data-driven and allow users to deviate within limits, and declarative languages based on temporal logic (where everything is allowed unless explicitly forbidden). Recently, Rinus Plasmeijer proposed the iTask system (iTasks) based on the viewpoint that workflow modeling is in essence a particular kind of functional programming. This provides advantages in terms of expressiveness, extendibility, and implementation efficiency. On the occasion of his 61st birthday, we compare four workflow paradigms: procedural, case handling, declarative, and functional. For each paradigm we selected a characteristic workflow management system: YAWL (procedural), BPM|one (case handling), Declare (declarative), and iTasks (functional). Each of these systems aims to describe and support business processes in an elegant manner. However, there are significant differences. In this paper, we aim to identify and discuss these differences. Keywords: Workflow Management; Business Process Management; Case Handling; Declarative Languages; Functional Programming
Original languageEnglish
Title of host publicationThe Beauty of Functional Code - Essays Dedicated to Rinus Plasmeijer on the Occasion of His 61st Birthday
EditorsP. Achten, P.W.M. Koopman
Place of PublicationBerlin
PublisherSpringer
Pages211-233
Number of pages285
ISBN (Print)978-3-642-40354-5
DOIs
Publication statusPublished - 2013

Publication series

NameLecture Notes in Computer Science
Volume8106
ISSN (Print)0302-9743

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