الخميس، 18 فبراير 2021

Online Public Access Catalogs (OPACs)

 Online Public Access Catalogs (OPACs

 OPACs are typical example of limited features of information retrieval systems 

 An OPAC is mainly used to search for and retrieve information from and about published documents (books, journals, Theses, CDs, DVDs, etc)

  Mainly used by libraries but can be useful for any organization with a collection of published information sources 

 Provide very limited bibliographic entry searches such as title, author (creator), publisher, etc

  OPACs usually have less sophisticated search and retrieval that other categories of information
retrieval system

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