Graphical Evaluation and Review Technique, commonly known as GERT, is a network analysis technique used in project management that allows probabilistic treatment of both network logic and activity duration estimated. The technique was first described in 1966 by Dr. Alan B. Pritsker of Purdue University and WW Happ[1].
Compared to other techniques, GERT is only rarely used in complex systems. However, dispite this the GERT appraoch address the majority of the limitations associated with PERT/CPM technique. The fundamental drawback associated with the GERT techneque is the complex programme (Monte Carlo simulation) required to model the GERT system. Modelling is generally done through the use of FORTRAN. Development in GERT includes Q-GERTS - allowing the user to consider queuing within the system.
References
- ^ Pritsker, A. A. B. (April 1966). "GERT: Graphical Evaluation and Review Technique" (PDF). RM-4973-NASA. National Aeronautics and Space Administration under Contract No. NASr-21. Retrieved 2006-12-05.
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