LIS Studies

LCC is revised after how many years?

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The Library of Congress Classification (LCC) system is revised and updated periodically to keep up with changes in knowledge and technology. The frequency of updates to the LCC system can vary, as the revision process is a significant undertaking that requires a lot of time and resources. In the past, the LCC system has been revised approximately every 20-30 years, although this can vary depending on the specific needs of the system and the resources available for the revision process. The most recent major revision of the LCC system was completed in the late 1990s, and a new revision is currently in progress. It is not uncommon for smaller updates and changes to be made to the LCC system on a more frequent basis between major revisions.

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When was Bliss Bibliographic Classification first time published?

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Bliss Bibliographic Classification (BC) is a library classification system developed by Henry Evelyn Bliss and first published in 1922. It was designed to be used in small libraries and was based on the Dewey Decimal Classification system. Bliss BC is not used widely today, but it is still in use in some libraries.

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Into how many classes does BBC divide the recorded knowledge?

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Bliss Bibliographic Classification (BBC) divides recorded knowledge into 21 main classes, which are further divided into subclasses. The 21 main classes are:

  1. Philosophy and Psychology
  2. Religion
  3. Social Sciences
  4. Language and Literature
  5. Pure Science
  6. Applied Science
  7. Fine Arts
  8. Practical Arts
  9. Recreations
  10. Generalities
  11. History
  12. Geography
  13. Biography
  14. Natural History
  15. Social Sciences (continued)
  16. Language and Literature (continued)
  17. Science (continued)
  18. Applied Science (continued)
  19. Practical Arts (continued)
  20. Fine Arts (continued)
  21. Literature (continued)

Each of these main classes is further divided into subclasses using decimal numbers. For example, class 5 (Pure Science) is divided into subclasses 5.1-5.9, which represent different areas of science. Similarly, class 15 (Social Sciences (continued)) is divided into subclasses 15.1-15.9, which represent different areas of the social sciences.

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Explain the characteristics of UDC?

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UDC, or Universal Decimal Classification, is a system for organizing and classifying library materials based on their subject matter. It has several characteristics that distinguish it from other classification systems:

  1. Decimal notation: UDC uses a system of decimal numbers to represent the various categories and subcategories into which library materials are organized. Each number represents a different category or subclass, and the relationships between the categories are indicated by the placement of the numbers.
  2. Hierarchical structure: UDC is organized in a hierarchical manner, with broader categories being divided into increasingly specific subcategories. This allows for a high degree of specificity and detail in the classification of materials.
  3. Flexibility: UDC is designed to be flexible, so that it can accommodate new subjects and changes in knowledge over time. It allows for the addition of new categories and subcategories as needed, and provides guidelines for the assignment of materials to these categories.
  4. International scope: UDC is intended to be used on a global scale, and is designed to be applicable to a wide range of materials in a variety of languages. It includes categories and subcategories that are relevant to a wide range of subjects and disciplines.
  5. Comprehensiveness: UDC is a comprehensive classification system that covers a wide range of subjects, including the sciences, the humanities, and the arts. It is designed to provide a detailed and systematic way of organizing and classifying library materials.

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What is the notational system of UDC?

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UDC, or Universal Decimal Classification, is a system for organizing and classifying library materials based on their subject matter. The notational system of UDC consists of a series of decimal numbers and symbols used to represent the various categories and subcategories into which library materials are organized.

Each number in the notation represents a different category or subclass, and the relationships between the categories are indicated by the placement of the numbers. For example, a book about the history of agriculture might be classified using the notation “63:631,” which would indicate that it is a book about the history of agriculture, which is a subclass of “Agriculture,” which is a subclass of “Technology (applied sciences).”

In addition to decimal numbers, UDC also uses a variety of symbols to represent different types of relationships between categories, such as the use of brackets to indicate that a category is a subcategory of another category.

Overall, the UDC notation system is designed to be concise and efficient, while also providing a high degree of specificity and detail in the classification of library materials.

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What kind of notation does LCC use?

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The Library of Congress Classification (LCC) system uses a combination of letters and numbers to represent different subjects and subtopics. The notation consists of a combination of one or more letters, followed by a combination of one or more numbers. The letters generally represent the main class or subclass of the subject, while the numbers represent more specific subtopics within the class or subclass. For example, the notation “QA75.5” might be used to represent the subclass of mathematics dealing with numerical analysis. The LCC notation is used to organize and classify materials in libraries that use the LCC system, and can be used to help patrons find materials on specific subjects.

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Into how many Classes does UDC divide the whole knowledge?

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UDC, or Universal Decimal Classification, is a system for organizing and classifying library materials based on their subject matter. It divides the whole of knowledge into ten main classes, which are known as “divisions.” These divisions are:

  1. Philosophy and psychology
  2. Religion
  3. Sociology
  4. Language and literature
  5. Natural sciences and mathematics
  6. Technology (applied sciences)
  7. Fine arts
  8. Literature (belles-lettres)
  9. History and geography
  10. Recreation and social life

Each of these main classes is further divided into smaller categories or “subdivisions” based on the specific subject matter of the materials being classified. For example, the main class “Technology (applied sciences)” might be divided into subclasses such as “Agriculture,” “Engineering,” and “Medicine.” The subdivisions can then be further divided into more specific categories as needed.

Overall, UDC provides a comprehensive and systematic way of organizing library materials based on their subject matter, allowing library patrons to easily find and access the materials they need.

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What kind of notation does CEC use?

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Cutter’s Expansive Classification (CEC) uses a combination of letters and numbers to represent different subjects. The letters represent the broad categories of the classification system, and the numbers are used to represent more specific subjects within those categories. For example, the letter “A” might represent the category of Philosophy, while the number “1” might represent the subcategory of Ethics.

The CEC system is arranged in a hierarchy, with more specific subjects being nested within broader ones. For example, the subject of “Ethics” (A1) might be further divided into subcategories such as “Ethical Theories” (A11) and “Ethical Practice” (A12).

In addition to letters and numbers, the CEC system also uses symbols to indicate various relationships between subjects. For example, a symbol called a “cutter” might be used to indicate that a particular subject is a subclass of another subject.

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LCC is influenced by what Classification system?

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The Library of Congress Classification (LCC) system is primarily influenced by the Dewey Decimal Classification (DDC) system, which was developed by Melvil Dewey in the late 19th century. However, the LCC system also incorporates elements from other classification systems and has evolved over time to meet the changing needs of the Library of Congress.

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What does the acronym CEC stand for?

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Cutter’s Expansive Classification (CEC) is a system for organizing library materials that was developed by Charles Ammi Cutter in the 19th century. It is based on the principle that library materials should be organized in such a way that related items are grouped together. Cutter’s Expansive Classification uses a combination of letters and numbers to represent different subjects, and it is arranged in a hierarchy with more specific subjects being nested within broader ones. The CEC system is no longer widely used in libraries, but it has influenced the development of other library classification systems.

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