Information Sources,Services And Systems

Reference and information services are considered an important activity of a modern library. This comprehensive and student-friendly book discusses in detail different types of information and reference sources and services, such as encyclopaedias, directories, yearbooks, dictionaries, geographical sources, biographical sources, statistical sources and handbooks.

The book is organised into four parts. Part I deals with various types of information sources such as documentary and non-documentary sources. Part II discusses different types of reference services, organisation of reference section and the role of the librarian in the digital age. Part III describes the wide range of information service such as Current Awareness Service (CAS) and Selective Dissemination of Information (SDI). Part IV provides an overview of important information systems such as National Information System for Science and Technology (NISSAT) and International System for Agricultural Science and Technology (AGRIS).

The book is intended for the undergraduate and postgraduate students of library science. Besides, it will also be very useful for librarians, information scientists, and information professionals.

Salient Features

• Deals with both theoretical and practical aspects of information sources and services.
• Discusses various types of information sources and services keeping in view the latest trends and developments in the field.
• Presents the concepts related to information sources and services in a systematic and accessible way.

Preface

Part I: Reference Sources

1. Information Source

2. Kinds of Reference Books and their Evaluation

3. Dictionaries

4. Encyclopaedias

5. Ready Reference Sources

6. Statistical Sources

7. Geographical Sources

8. Biographical Sources

9. Indexing Sources and Services

10. Abstracting Sources and Services

11. Bibliographies

12. Patents and Standards

13. Non-documentry Sources of Information

14. Electronic/Digital Information Sources

15. Internet as Source of Information

Part II: Reference Services

16. Reference Services

17. Reference Services in Different Types of Libraries

18. Organisation of Reference Section

19. Role of Reference Librarian/Information Officer in Electronic Environment

Part Iii: Information Services

20. Concept and Need for Information

21. Information Services:

An Overview

22. Translation Services

23. Literature Search Service

24. Document Delivery and Electronic Document Delivery Service

25. Current Awareness Service (CAS)

26. Selective Dissemination of Information (SDI)

27. Reprographic Service

28. Documentation/Information Centres

29. National Documentation Centres

30. Computer based Information Services

31. Information Literacy Programmes

32. Users and their Information Needs

Part IV: Information Systems

33. Information Systems

Bibliography/Reference Index