INFORMATION SOURCES, SYSTEMS and SERVICE Reviewer Dr
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ALAGAPPA UNIVERSITY [Accredited with ‘A+’ Grade by NAAC (CGPA:3.64) in the Third Cycle and Graded as Category–I University by MHRD-UGC] (A State University Established by the Government of Tamil Nadu) KARAIKUDI – 630 003 Directorate of Distance Education Bachelor of Library & Information Science I - Semester 109 12 INFORMATION SOURCES, SYSTEMS AND SERVICE Reviewer Dr. M. Sadik Batcha Associate Professor and Head Library and Information Science Wing Directorate of Distance Education, Annamalai University, Annamalainagar Authors: Rajeev Garg, Academic Writer Units: (1.0-1.1, 1.4-1.5, 2.0-2.3.3, 3.0-3.2.5, 4, 5, 6, 7, 8.3.4, 9.4.2, 10, 11.0-11.2, 11.3.3, 12.5-12.6.3, 13, 14) Neeru Sood, Freelance Author Units: (1.2-1.3.2, 2.4-2.4.1, 3.3-3.4) Paulomi M Jindal, Freelance Author Units: (9.0-9.4.1, 11.3-11.3.2) Dr. Richa Bhargava, Associate Professor, IILM Institute for Business & Management, Gurgaon Units: (9.5-9.5.4, 12.0-12.4.3) Vikas Publishing House Units: (1.6-1.10, 2.5-2.9, 3.5-3.9, 8.0-8.3.3, 8.4-8.8, 9.6-9.10, 11.4-11.8, 12.7-12.11) "The copyright shall be vested with Alagappa University" All rights reserved. No part of this publication which is material protected by this copyright notice may be reproduced or transmitted or utilized or stored in any form or by any means now known or hereinafter invented, electronic, digital or mechanical, including photocopying, scanning, recording or by any information storage or retrieval system, without prior written permission from the Alagappa University, Karaikudi, Tamil Nadu. Information contained in this book has been published by VIKAS ® Publishing House Pvt. Ltd. and has been obtained by its Authors from sources believed to be reliable and are correct to the best of their knowledge. However, the Alagappa University, Publisher and its Authors shall in no event be liable for any errors, omissions or damages arising out of use of this information and specifically disclaim any implied warranties or merchantability or fitness for any particular use. Vikas ® is the registered trademark of Vikas ® Publishing House Pvt. Ltd. VIKAS ® PUBLISHING HOUSE PVT. LTD. Phone: 0120-4078900 Fax: 0120-4078999 Website: www.vikaspublishing.com Email: [email protected] Work Order No. AU/DDE/DE1-484/Printing of Course Materials/2019 Dated 08.07.2019 Copies-500 SYLLABI-BOOK MAPPING TABLE Information Sources, Systems and Service Syllabi Mapping in Book BLOCK I: Sources of Information & Communication Unit-I: Information, Information Explosion & Information Unit-1: Information and Information Environment–Nature and Characteristics of Information. Environment Unit-II: Information Transfer–Means & Methods–Formal & (Pages 1-17) Informal-Barriers to Communication. Unit-2: Information Transfer Unit-III: Sources of Information–Documentary–Non- (Pages 18-30) Documentary–Published and Unpublished-Types of Information Unit-3: Sources of Information Sources–Primary, Secondary, Tertiary Sources. (Pages 31-50) BLOCK II: Reference Sources and Evaluation Unit-IV: Categories of Information Sources–Encyclopedias– Unit-4: Categories of Dictionaries, Directories, Handbooks& Manuals–Biographical Information Sources Sources–Geographical Sources-Bibliographies, Almanacs, Year (Pages 51-68) Books. Unit-5: General Evolution of Unit-V: General Evaluation of Information Sources–Authority Information Sources Scope, Arrangement, Treatment, etc–Abstracting and Indexing (Pages 69-81) Periodicals. BLOCK III: National & International Centres Unit-VI: Information Systems–National Level-Need Purpose and Unit-6: Information Systems Existing at Functions–NISCAIR, DESIDOC. the National Level (Pages 82-99) Unit-VII: Information Systems–International National Level- Unit-7: Information Systems NASSDOC, AGRIS, MEDLARS, INIS. Existing at the National and International Level (Pages 100-126) BLOCK IV: Information Services Unit-VIII: Information Services–Reference Service–Definition, Unit-8: Introduction to Need and Types–Ready Reference Service–Long Range Reference Information Services Service. (Pages 127-140) Unit-IX: User Needs–User Education. Documentation Services– Unit-9: User Needs and User Current Awareness Service, SDI. Education (Pages 141-174) Unit-X: Bibliographical Services–Types of Bibliographies–INB and Unit-10: Bibliographic Services BNB–Planning, Compilation of Bibliography. (Pages 175-185) BLOCK V: Electronic Resources & Search Techniques Unit-11: Electronic Resources Unit-XI: Electronic Resources–Types of Electronic Resources– (Pages 186-213) Advantages and Disadvantages. Unit-12: Web Based Resources Unit-XII: Web Based Resources and Services–Evaluation Criteria. and Services Unit-XIII: Reference Librarian: Role, Skills, & Competencies. (Pages 214-235) Unit-XIV: Reference Interview & Search Techniques-Literature Unit-13: Reference Librarian: Search. An Overview (Pages 236-243) Unit-14: Reference Interview and Search Techniques (Pages 244-250) CONTENTS INTRODUCTION BLOCK I: SOURCES OF INFORMATION & COMMUNICATION UNIT 1 INFORMATION AND INFORMATION ENVIRONMENT 1-17 1.0 Introduction 1.1 Objectives 1.2 Concept of Information 1.2.1 Definition of Information 1.2.2 Information Process 1.2.3 Different Approaches to Information 1.2.4 Information as a Quality Product 1.2.5 Attributes of Information 1.3 Information Explosion 1.3.1 Cause and Effect of Information Overload 1.4 Information Environment 1.5 Answers to Check Your Progress Questions 1.6 Summary 1.7 Key Words 1.8 Self Assessment Questions and Exercises 1.9 Further Readings UNIT 2 INFORMATION TRANSFER 18-30 2.0 Introduction 2.1 Objectives 2.2 Information Transfer Cycle 2.3 Means and Methods of Information Transfer 2.3.1 Communication of Information 2.3.2 Mode of Communication 2.3.3 Types of Communication 2.4 Barriers to Communication 2.4.1 Types of Communication Barriers 2.5 Answers to Check Your Progress Questions 2.6 Summary 2.7 Key Words 2.8 Self Assessment Questions and Exercises 2.9 Further Readings UNIT 3 SOURCES OF INFORMATION 31-50 3.0 Introduction 3.1 Objectives 3.2 Types of Documents in a Library 3.2.1 Original Document; 3.2.2 Legal Document 3.2.3 Legal Literature 3.2.4 Non-Documentary Sources of Information 3.2.5 Published Sources; 3.2.6 Unpublished Sources 3.3 Information Sources and its Types 3.3.1 Primary Sources of Information 3.3.2 Secondary Sources 3.3.3 Tertiary Sources of Information 3.4 Internet as an Information Source 3.5 Answers to Check Your Progress Questions 3.6 Summary 3.7 Key Words 3.8 Self Assessment Questions and Exercises 3.9 Further Readings BLOCK II: REFERENCE SOURCES AND EVALUATION UNIT 4 CATEGORIES OF INFORMATION SOURCES 51-68 4.0 Introduction 4.1 Objectives 4.2 Encyclopedias 4.3 Dictionaries 4.3.1 Types of Dictionaries 4.4 Directories 4.4.1 Types of Directories 4.5 Handbook and Manuals 4.6 Biographical Sources 4.6.1 Biographical Profiles 4.6.2 Interviews 4.6.3 Types of Biographies 4.7 Geographical Sources 4.8 Bibliographical Sources 4.8.1 Types of Bibliography 4.9 Yearbooks 4.10 Almanac 4.11 Answers to Check Your Progress Questions 4.12 Summary 4.13 Key Words 4.14 Self Assessment Questions and Exercises 4.15 Further Readings UNIT 5 GENERAL EVOLUTION OF INFORMATION SOURCES 69-81 5.0 Introduction 5.1 Objectives 5.2 History of Evolution of Information Sources 5.3 Development of Printed Books and Other Sources 5.4 Evolution of Periodicals 5.5 Emergence of Electronic Sources 5.6 Emergence of Mass Media 5.7 Emergence of Internet and World Wide Web 5.8 Different Types of Information Sources 5.8.1 Index 5.8.2 Types of Index 5.9 Abstracting Services 5.9.1 Types of Abstracts 5.9.2 Uses of Abstract 5.10 Indexing and Periodicals 5.10.1 Definition 5.10.2 Key functions of Abstracting and Indexing Periodicals 5.10.3 Scope 5.10.4 Uses of Indexing and Periodicals 5.11 Answers to Check Your Progress Questions 5.12 Summary 5.13 Key Words 5.14 Self Assessment Questions and Exercises 5.15 Further Readings BLOCK III: NATIONAL & INTERNATIONAL CENTRES UNIT 6 INFORMATION SYSTEMS EXISTING AT THE NATIONAL LEVEL 82-99 6.0 Introduction 6.1 Objectives 6.2 The National Institute of Science Communication and Information Resources (NISCAIR): An Overview 6.2.1 Mission Statement 6.2.2 Functions of NISCAIR 6.2.3 Need and Purpose 6.2.4 Products 6.2.5 NISCAIR’s Online Periodicals Repository 6.2.6 National Union Catalogue of Scientific Serials in India (NUCSSI) 6.3 Defence Scientific Information and Documentation Centre (DESIDOC): An Overview 6.3.1 Functions and Objectives 6.3.2 Activities of DESIDOC 6.3.3 Organization of DESIDOC 6.3.4 Automation in Editorial and Printing Processes 6.3.5 Printing Process of the Journal 6.3.6 Future Perspectives 6.4 Answers to Check Your Progress Questions 6.5 Summary 6.6 Key Words 6.7 Self Assessment Questions and Exercises 6.8 Further Readings UNIT 7 INFORMATION SYSTEMS EXISTING AT THE NATIONAL AND INTERNATIONAL LEVEL 100-126 7.0 Introduction 7.1 Objectives 7.2 NASSDOC: An Introduction 7.2.1 Functions of NASSDOC 7.2.2 Library Service of NASSDOC 7.2.3 Publications of NASSDOC 7.3 Medical Literature Analysis and Retrieval System: MEDLARS 7.3.1 Background 7.4 Indian Medlars Centre (IMC) 7.4.1 IndMED; 7.4.2 Medline Search 7.4.3 Input; 7.4.4 Output 7.4.5 Printout; 7.4.6 Document Delivery 7.5 International Information System for Agricultural Science and Technology (AGRIS) 7.5.1 Background and Development of the AGRIS Network 7.5.2 AGRIS Network and AGRIS Resource Centres 7.5.3 Information Activities 7.5.4 WebAGRIS 7.5.5 AGRIS AP 7.5.6 Electronic Discussion Forum 7.5.7 AGROVOC 7.5.8 Services in India 7.5.9 Features 7.5.10 Need 7.5.11 India’s Contribution