O Plan is an AI planning architecture which supports research into a number of aspects of planning scheduling and control It is based on earlier work on the O Plan System which was directed towards plan generation The pa per explores the di erent types of choice or dering decisions which need to be made in an architecture for command and control The mechanisms for choice ordering and selection ...

Often, software managers have to monitor and manage many projects concurrently. Unfortunately, some projects were completed successfully but some were not completed on time, over budget or being cancelled. Some of the reasons of this project failure are: lack of user involvement, lack of planning, incomplete requirements, lack of resources, incorrect cost estimation, just to name a few. There a...

CRIKEY is a planner that separates out the scheduling from the classical parts of temporal planning. This can be seen as a relaxation of the temporal information during the classical planning phase. Relaxations in planning are used to guide the search. However, the quality of the relaxation greatly affects the performance of the planner, and in some cases can lead the search into a dead end. Th...

We present an auction-based approach to allocate tasks that have complex time constraints and interdependencies to a group of cooperative agents. The approach combines the advantages of planning and scheduling with the ability to make distributed decisions. We focus on methods for modeling and evaluating the decisions an agent must make when deciding how to schedule tasks. In particular, we dis...

The Space Propulsion Robust Analysis Tool (SPRAT) project is developing technology support Space Shuttle ground operations personnel as they manage and carry out mission preparation analysis and related analyses in missions. The initial SPRAT prototype provides intelligent support and automation for mission analysis set-up and documentation for Propulsion consumables analysis. SPRAT models the ...

Scheduling of crude oil operations is an important and complex routine task in a refinery. It involves crude oil unloading, tank allocation, storage and blending of crudes, and CDU charging. Optimal crude oil scheduling can increase profits by exploiting cheaper but poor quality crudes, minimizing crude changeovers, avoiding ship demurrage, and managing crude inventory optimally. In our previou...