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    Classification

    Comparative Analysis Between DDC UDC and CC Classification Scheme

    Md. AshikuzzamanBy Updated:8 Comments5 Mins Read

    A library classification scheme systematically organizes and categorizes library materials based on their subject matter. It provides a framework for logically and consistently arranging resources, making it easier for library users to locate and access the needed materials. There are several classification schemes used in libraries, including:

    1. Dewey Decimal Classification (DDC): The DDC is one of the most widely used classification systems. It divides knowledge into ten main classes, each assigned a unique three-digit number. Further subdivisions are represented by decimal numbers, allowing for more specific categorization.
    2. Library of Congress Classification (LCC): The LCC is primarily used in academic and research libraries, especially in the United States. It organizes materials into 21 main classes, represented by letters and numbers. LCC offers detailed classifications for humanities, social sciences, and natural sciences subjects.
    3. Universal Decimal Classification (UDC): The UDC is an international classification system that covers a wide range of subjects. It uses a decimal notation and provides a more detailed classification than DDC. UDC incorporates multilingual features and can be adapted to suit different languages and cultures.
    4. Colon Classification (CC): The CC is a classification system developed by S.R. Ranganathan. It uses a combination of symbols and numbers to categorize materials based on their facets or aspects. The CC emphasizes the facet analysis approach, allowing for more flexible classification based on specific attributes of resources.

    These classification schemes provide a standardized framework for organizing library collections, facilitating efficient retrieval of materials, and supporting effective information organization. The choice of a classification scheme depends on factors such as the nature of the library’s collection, its user base, and the specific needs and preferences of the library and its users.

    Difference Between Dewey Decimal Classification (DDC), Universal Decimal Classification (UDC), and Colon Classification (CC)

    A comparative study between the Dewey Decimal Classification (DDC), Universal Decimal Classification (UDC), and Colon Classification (CC) offers valuable insights into the similarities and differences among these three widely used library classification systems. The DDC, UDC, and CC each provide a unique approach to organizing and categorizing library materials, aiming to facilitate efficient access and retrieval of information. Through a comparative analysis, we can examine these classification schemes’ structure, notation, scope, and adaptability, allowing us to understand their strengths and weaknesses in different library contexts. Such a study enables librarians and information professionals to choose the most suitable classification system for their collections, user needs, and organizational requirements.

    Description DDC UDC CC
    Main Outline DDC comprised 10 Main Classes with nine sub-classes and nine sub-classes of each sub-class. That is, beginning with most general subjects and moving to more specific ones. The scheme follows DDC except for adding some new sub-divisions and signs of combination to indicate the relation of subjects. The main classes comprise Generalia (1 to 9) and 26 Main Classes (A to Z) of both Science and Humanities. The first 13 classes comprise Science and applications, and the last 13 comprise of Humanities.
    Notation Notation originally was pure; later on, some letters were used. Three-figure minimum notations have been used. The mixed notation consists of figures, letters, and other symbols. The decimal point is repeated after every three figures. Notation is extremely mixed, consisting of Arabic numerals, the Roman alphabet (capital and small), symbols and signs, and the colon. Arabic numerals (1-9) are assigned to the Generalia class, and capital letters of the Roman alphabet are assigned to the specific main classes. Notation is faceted. It is synthetic; it uses fractions on principle for numbers and letters and achieves hospitality in array and chain.
    Form Division DDC uses a series of nine common-form divisions, with minor alternatives used with the same meaning throughout the scheme. Form divisions (01-09) retain the original Dewey significance but have been redefined and greatly expanded. In CC, common sub-divisions use lowercase letters with decimal sub-divisions where necessary.
    Mnemonics The principal mnemonic features are Form divisions, Geographical divisions, and Language divisions. Number-building devices, as well as auxiliary schedules, are mnemonic features. The scheme is faceted and enjoys a considerable mnemonic quality using the same and common facets.
    Geographical Divisions Geographical sub-divisions are provided by the use of the numbers 930-999. Every continent, country, and country’s division is given a number. It also provides period division. Place sign (1)-(9) is a special table indicating physical places. (3)-(9) are the regular geographical numbers of Dewey used without the initial and within brackets. Common geographical divisions have been marked by decimal numbers 1-95; in some cases, subdivisions comprising five figures are used.
    Structure Based on the scheme devised by Bacon and Harris. Based on the scheme DDC. Based on the traditional main classes listed under four zones. Zone 1- Generalia Class, Zone-2 Recently recognized main classes, Zone-3 Traditional main classes, and Zone-4 Newly emerging methodologies.
    Index The relative index tried to locate the relative position of the different aspects of the subject at one place in the index and was very exhaustive. The alphabetical index is not so exhaustive and was developed based on chain procedure. The shortest index is found in any classification scheme and is a specific one that does not list composite subjects.

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