The theoretical foundations of the methodology of classification are very complex, it encompasses the necessary classification systems to ensure effective management of all information resources. This method is based on the works of ancient Greek philosophers such as Plato and Aristotle, developing the concept of categorizing and classifying objects into groups and classes. Nowadays, the rules of classification play an important role in organizing and optimizing information processes for organizations in the fields of information technology and data management. Scientific studies of this method are widely used in statistical modeling and structural databases