Modeling Decisions for Scheduling and Resource Allocation Problems

“Reality is built in wonderful simplicity”, Eliyahu Goldratt “The Choice

Scheduling and Resource Allocation are traditionally considered as very complex business problems. They are usually out of reach for the most rule engines.  I personally learned how to deal with these complex problems during my real-world consulting practice by applying a great product called “ILOG Scheduler” written by Claude LePape and Jean-Francois Puget 20 years ago. I’ve just googled the product name and got this User Manual that has over 600 pages with a lot of C++ code. I used to teach ILOG Solver/Scheduler courses and will reuse some examples borrowed from them. Continue reading

In memory of Eliyahu Goldratt

Today searching web for goal programming sources I suddenly learned that last year Eliyahu Goldratt died. He was 64. I remember how impressed I was with his books “The Goal” and “Theory of Constraints” that helped me with an implementation of a custom supply chain system at the end of 90’s. I remember reading “The Goal” aloud to my wife – it was more than another technical book.  Not being a native English speaker, he used plain English to explain complex issues in a very unconventional way. Continue reading