Horizontal recursion in soft OR

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Abstract

In operational research (OR), the concept of recursion explains particular relationships between modelled systems. It clarifies how the same system properties are replicated vertically across hierarchically interdependent units, meaning these units should be amenable to the same analytical conventions. OR views recursion as hierarchical and therefore does not consider these properties in a horizontal sense. This paper uses theory from other disciplines to develop criteria that define recursive modelling for soft OR as vertical or horizontal. Empirical data was captured using WASAN to improve efficiency in a police force customer contact department. Four units were modelled using WASAN, and additional analysis using recursion was conducted to understand the horizontal interdependence across these four units. Feedback from participants suggests the horizontal recursion analysis provided valuable insights beyond that of individual models.
Original languageEnglish
Pages (from-to)53-66
Number of pages14
JournalJournal of the Operational Research Society
Volume70
Issue number1
Early online date19 Jan 2018
DOIs
Publication statusPublished - 2 Jan 2019

Keywords

  • Problem structuring
  • horizontal recursion
  • meta-system modelling
  • recursion
  • soft OR

Research Beacons, Institutes and Platforms

  • Humanitarian and Conflict Response Institute

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