Page 113 - DLIS407_INFORMATION AND LITERATURE SURVEY IN SOCIAL SCIENCES

Information and Literature Survey in Social Sciences

Notes y Local Area Network is a facility data communication, video or voice, within a single building
or over a small area of space
y Wide Area Network constitutes a number of autonomous computers distributed over a large
geographical area including city, state, region, nation or the world. Transmission facility is
generally through satellites.
y The following are the key types of network based information services:
y Bibliographic Information Service
y Full text access to publications
y Organization of Internet resources and providing access
y Providing access to information of Indian origin
y Promoting the discussion for a different subjects
y Consortia-based services
y Pattern service

12.5 Keywords

Databases: Databases are systematically organized collections of information covering different subject
matters or specializing in one given subject or topic.
ERIC: Educational Resources Information Centre
Population Index: Population Index is the primary reference tool to the world’s population literature.
It presents an annotated bibliography of recently published books, journal articles, working papers,
and other materials on population topics.
SSRN: Social Science Research Network
Distributed database: Distributed database is a logical database that is physically divided among
computers at several sites on a network.

12.6 Review Questions

1. Define database. Give some examples of database resources available on net.
2. State the meaning of networked and distributed databases in social science.
3. What are the key objectives and purpose of information network?
4. What are the different types of network?
5. What are the different types of network based information services?

Answers: Self Assessment

1. Records 2. Digital database
3. Literature 4. Network
5. Distributed database 6. False
7. True 8. False
9. CD-ROM’s 10. Network centre
11. Library consortium

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