SDI : Selective Dissemination of Information Service : Concept - Characteristic - Component - Contents Alerts - Difference Between CAS & SDI

SDI

Selective Dissemination of Information Service

Concept - Characteristic - Component - Contents Alerts - Difference Between CAS & SDI

Concept -

SDI is a personal current awareness service providing researcher with the latest publication on a specified research topic.

SDI concept first described by H.P. Luhn of IBM. In 1961 A method of using computer to provide CAS . SDI refers to tools and resources used to keep a user informed of new resources on specified topics, including the current-awareness services used to inform about new library acquisitions Selective Dissemination of Information (SDI) Service is a refinement of CAS service which is directed to individual / personal requirement (personalized). It provides a deeper analysis of literature.

Characteristic -

SDI answer to specify query.
It is single person based .
Speed and currency are important.
For may be print or electronic

Component of SDI –

User’s Profile
Database
Computer hardware
Software
User Interface

Forms of SDIb: SDI service may take the following forms-

Contents Alerts: This service is provided by photocopying, scanning the content pages of learned journals and other important publications keeping in view the interest of the users.

Routine of Periodicals (Automatic Loan): In this procedure, the current issues of periodicals are routed. There are two systems of routing the current issues of the periodicals.

Notification of Forth Coming Conferences, Seminars, etc.: The information about forthcoming meetings, conferences, symposia, seminar, workshop etc. on a specific field should be notified to the members belonging to that specific domain.

Difference Between CAS & SDI

CAS