How do you plan in the face of uncertainty? Produce more than expected? If so, by how much? Re-plan when an undesired event occurs? It might take too long and it may be too late!
S&OP is only a visibility tool for long term planning. All the heavy lifting is done by the planners manually trying to make a long-term plan work for actual short-term execution.
Most supply chain professionals and planners think of finished goods when they hear attributes. But attributes are present in every part of the supply chain from suppliers to raw materials, to machinery, products and distribution centers.
Expert systems are composed of a set of rules that the users train the system with. Over time the system learns enough how to mold itself to the environment and grow with the organization as policies change and/or business re-shapes.