UDC: concept, structure, and principles

Many people using library or electronic catalogs, faced with the Universal Decimal Classification.It bypasses and those who are working on scientific articles in many areas, for example, economics, physics, mathematics, astronomy, politics and others.Each science has a specific code that is easier to find the information you need.

concept index UDC

For over 100 years, there is the concept of the Universal Decimal Classification - UDC.Thanks to M. Dewey UDC retained its structure and the main purpose.Throughout its existence, such a system many times changed, improved, gets the best view.Many have criticized it, and many admired.Still, having a century, UDC indexes have become indispensable in the international bibliography.And it should be considered.

UDC - is a hierarchical classification system of scientific works, publications, information that is used in the international bibliography to help you find the necessary material, systematization of knowledge of various sciences (literature, art, metamathematics, astrology, scientific journals, cards and documents).

principle of this system is that each section (section) is divided into ten figures.As a result, each department is divided into structures that go from the whole to the particular.Thus, each subject has its own cell, labeled in Arabic numerals.For the convenience of three characters in the code are separated by dots, creating a universal code.

structure and principles unique Decimal Classification

Numerous sections cover the entire universe of knowledge - nothing is forgotten.Besides, thanks to the wide and comfortable internal structure, UDC is perceived as a single, integrated system with its own hierarchy and rules of construction.Here you can find not only vast tracts but small notes, meetings and other target highly specific.

The structure UDC clearly tracked submission and subordination connected classes.For example, section 32 of the "Policy" obey units such as 321 "forms of political organization," 324 "referendum.Plebiscite.Election campaigns.Corruption in elections "and so on.In turn, each sub-section has its own special section, where detail knowledge.Thus, for each research or scientific knowledge is its own cell - UDC.

In addition, the UDC uses the general and special qualifiers that reflect the processes, language, time and place, equipment, etc.For example, under one of the special policy determinants - "general theory of the state.Theories of the State.The theory of power.Essence, the concept, objectives and functions of the state "under the code 321.01.

structure of the main table row UDC:

0-3 In the first three parts of the knowledge can be found on the science as a whole (for example, journalism, culture, museum, writing, information, etc.), philosophy, religion, theology and social sciences.
4 Since 1961, this cell is not being used.
5-6 in these cells is material in mathematics, natural sciences (section 5);Applied (medicine, engineering, general) (6 section).
7-9

In these sections you can find information on art, music and sports (section 7);philology, linguistics, literature (section 8);geography, biography, and history (9 section).

Thus, each department, science and knowledge have their place, thanks to this concept as the UDC code.With it you can easily find the desired material, even though the volume.It is a window into a new world of knowledge!