Experienced in support of national defense missions, GCAS Incorporated works in the fields of development and applications in modeling, simulation and analysis utilizing Artificial Intelligence (AI) techniques. With clients both in both government and commercial markets, the major focus of the firm's business operations has been in the areas of probabilistic reasoning under uncertainty using Rule-based Expert Systems, Bayesian Networks, Markov Chaining, Probabilistic Relational Models and other advanced statistical techniques. The firm was originally spun off from Dynamic Analysis and Testing Associates (AKA: DATA), a sole proprietorship founded in 1981.