Method of the Representation of the concept samples of the information systems by means of the acyclic graph is considered. The relational approach for storing of the graph-samples is chosen. A number of axioms within the bounds of this approach are formulated.
acyclic graph, marking tree, sample with relation, free sample
"Predstavlenye obraztsov kontseptov ynformatsyonnыkh system posredstvom atsyklycheskykh hrafov" ,
Information Processing Systems,