Considered is a specific kind of seminar based on logical creative dialogues between participants, and serving as a training in problem solving. The idea is an element of modern mathematical methodology which has already found good application in the field of business and industry for training professional operators in management and advanced planning. The system is universal, and can be adapted well to training problems in conservation, not only as concerns planning, teaching, treatment, etc., but also for bringing together representatives of particular disciplines, and helping them to find a common language. The training is carried out in simulated situations. -- AATA