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selective dissemination of information

资料来源 : Free On-Line Dictionary of Computing

Selective Dissemination of Information
     
         (SDI) (From Library Science) SDI is a current
        awareness system which alerts you to the latest publications
        in your specified field(s) of interest.
     
        A user registers at such a system with keywords representing
        his or her fields of interest, called a search profile.  When
        new publications matching the search profile appear, the
        system informs the user of them instantly, periodically or
        upon request.  Some systems may also be able to inform the
        user if changes in already notified publications occur.
     
        {Health Science Library SDI
        (http://www-hsl.mcmaster.ca/sdi.html)}.  {FIZ Karlsruhe
        Scientific Service Institution
        (http://www.fiz-karlsruhe.de/mc-sdi.html)}.
     
        (1997-03-10)
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