Discussion
Which of the following are alerting services ?
(i) Current Awareness Service
(ii) Selective Dissemination of Information
(iii) Document Delivery Service
(iv) Electronic Clipping Services
Codes :
Answer: C
The alerting services are (i) CAS, (ii) SDI and (iv) Electronic Clipping Services.
Alerting services keep users informed of new information as it appears. Current awareness service announces recent additions to the literature; selective dissemination of information sends each user items matching a personal interest profile; and electronic clipping services pick out and forward relevant news items.
Document delivery supplies copies of documents a user has asked for. It responds to a request rather than alerting the user to something new, so codes including (iii) are wrong.
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