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CAN-SDI: experience with multi-source computer based current awareness services in the National Science Library,
Bulletin of the Medical Library Association
|July 1, 1973
Summary
Canada's national Selective Dissemination of Information (SDI) service provides broad access to scientific and technical information. Its centralized processing and interdisciplinary approach are key strengths, meeting diverse user needs effectively.
Area of Science:
- Scientific and Technical Information Dissemination
- Information Science
- Library and Information Services
Background:
- CAN/SDI is Canada's national Selective Dissemination of Information service.
- It offers access to nine databases for the scientific and technical community.
- The service utilizes centralized processing at the National Science Library and decentralized user support.
Purpose of the Study:
- To describe the structure and strengths of the CAN/SDI service.
- To highlight the advantages of centralized processing for accessing multiple databases.
- To assess the effectiveness and user satisfaction of the CAN/SDI system.
Main Methods:
- Centralized processing of multiple databases.
- Decentralized profile formulation and user education.
- Analysis of service usage patterns and subscriber data.
Main Results:
- CAN/SDI offers interdisciplinary access to scientific and technical information.
- Centralized processing simplifies profile formulation for users accessing various databases.
- On average, each profile accesses 1.5 databases, indicating diverse information needs.
- Constant subscriber growth and low cancellation rates demonstrate user satisfaction and system value.
Conclusions:
- CAN/SDI is a vital component of Canada's information infrastructure.
- The system's interdisciplinary nature and user-centric approach are highly effective.
- The service successfully meets the varied information requirements of its users.