1. Selective Dissimination of Information
... or upon request. Some systems may also be able to inform the user if changes in already notified publications occur."" Because of the huge size of the Internet these systems can be of great help to all users. 2.2 How does SDI work? Information dissemination systems do the searching on behalf of the user through the help of a WWW Robot. The robot is a program that automatically looks through hypertext structure and ... queries such as weather forecasts or stock quotes, but they can work poorly for more complex queries in which the user is trying to define and search a broader concept, such...
- Word Count: 3929
- Approx Pages: 16
- Grade Level: High School