Controlled alternative activity networks for project management

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19 Scopus citations


This paper presents a branching network to control a project with two different types of alternative events. The first one reflects stochastic (uncontrolled) branching of the development of a project. The alternative event of the second type is of a deterministic nature, i.e., the project's decision-maker chooses the outcome direction. Such a network contains alternative nodes with different logical operations at the input and output and includes both connective and diverging paths. The problem of controlling a project is, in essence, the choosing of an optimal outcome direction at every 'decision-making' node which is reached in the course of the project's realization. This is carried out by a permanent reduction of the initial network and by applying a special algorithm described here, based on lexicographical scanning. A numerical example is given and application areas are presented.

Original languageEnglish
Pages (from-to)336-346
Number of pages11
JournalEuropean Journal of Operational Research
Issue number3
StatePublished - 1 Jan 1988


  • Outcome graph
  • admissible plan
  • joint variant
  • lexicographical order

ASJC Scopus subject areas

  • Computer Science (all)
  • Modeling and Simulation
  • Management Science and Operations Research
  • Information Systems and Management


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