user services in libraries

1. PREPARED BY:
MUHAMMAD ALI
ROLL NO:BLIF19M024
CLASS: BS IM 3rd Regular
DEPARTMENT:INFORMATION MANAGEMENT
UNIVERSITY OF SARGODHA

2. INTRODUCTION
CHARACTERISTICS OF SDI
OBJRCTIVES OF SDI
COMPONENTS OF SDI
USER’S PROFILE
DOCUMENTS PROFILE
COMPUTER HARDWARE
SOFTWARE
USER INTERFACE
CONCLUSIONS

3. • SDI is a personal current awareness services providing
researchers with the latest publications on a specified research
topic.

4. • Selection has to be made from different types of documents.
• Form may be print or electronic.
• It is single person based.
• Feedback mechanism of input document selection criteria is
present.
• Speed and currency are important.

5. To save the time of the user. No irrelevant documents should be
brought to the notice of the user.

6. c) Computer hardware
d) Software
e) User Interface

7. b) Document Profile or the Database:
• An external database is used for choosing descriptors
from the index of the database while constructing the User
Profiles.
• Documents should be scanned and uploaded.

8. If SDI is offered using external databases, online
connectivity is needed.
• This service can also be done using CD-ROM databases.

9. e) User Interface:
• SDI systems have User-Interface modules as a part of
SDI software.
• The end-user can enter his profile, modify it if need be
and get statistics on his usage.

10. • Introduced by Hans. Peter Luhn (1958)
• Abreast users with latest developments is his/her area of
interest.
• Specific query.
• It is single person based.
• Feedback mechanism is vital in functioning SDI.