An artificial intelligence approach to project planning under uncertainty

Uncertainty and risk are inherent in construction projects. The SRI International's system for interactive planning and execution (SIPE) is a system to attempt to offer alternative plans for uncertain situation such as weather, material accruement, or labor shortage. The system was tested using the offshore construction of an oil platform with the main activities of: Build-Graving-Dock; Design Platform; Build-Deck; Cast-Base, and Fabricate-Platform. Conditional operators perform the alternatives in the form of contingent subnetworks. These techniques can expand the CPM and PERT capabilities. This artificial intelligence approach allows the task sequences to have alternatives that interact with other activities, and makes adjustments according to conditional parameters. The SIPE system can be beneficial for small-project planning.
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