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  1. 1 ‫المعلومات‬ ‫مراكز‬ ‫في‬ ‫الرقمية‬ ‫الخدمات‬ ‫اعداد‬ : ‫روال‬ ‫الطالبة‬ ‫مسعود‬ ‫مقدم‬ ‫إلى‬ : ‫د‬ . ‫فرح‬ ‫السبيتي‬ ‫ماستر‬ 2 ‫معلومات‬ ‫ادارة‬
  2. ‫تقديم‬ : ‫مسعود‬ ‫روال‬ ‫إلى‬ ‫مقدم‬ : ‫سبيتي‬ ‫فرح‬ ‫الدكتورة‬ 2022-2023 2
  3. Content 3 Online public access catalogue (OPAC) Web OPAC Web OPAC features and functions Development of OPAC  Web OPAC during the Covid-19 Pandemic OPAC and Smart Devices
  4. 4 OPAC is an electronic version of the card catalogue Card Catalogue vs OPAC Search tools: Not available. Limited access points in it such as-author, title, series, heading, call number. Many access points such as-ISBN, ISSN, LCCN, Author/title keyword etc. Boolean operators such as (and, or, not) and user can also limit the search results by language, date and type of document, etc.
  5. 5 • Facilitate both pre and post coordination • The usage is global, a person can access it from anywhere. Without restriction • It is an add on module of ILMS. • Take and provide information from the web server. • No need to know about any software. Web OPAC, html files are used which hyperlink to the subject areas or disciplines. • Facilitate pre- coordination • OPAC (LAN/Intranet) usage is limited, only the persons in LAN can use it. • Default module of ILMS • Take the bibliographic data from the library server that is through ILMS • Users have to follow the program of the particular OPAC software in that library. OPAC vs Web OPAC
  6. 6 1-Simple Search - allows you to search using a ‘keyword’ or ‘phrase’. Searching by OPAC 3. Advanced Search- allows you to combine different categories such as ‘Author’AND ‘Title’ OR ‘Subject’. 2.. . Browse Search - allows you to search by a specific category such as ‘Author’, ‘Title’, ‘Subject’, etc
  7. 7 Web OPAC features and functions Bibliographic control Discovery Access Management Convenience Electronic resources
  8. 8 Development of OPAC 3rd generation Appeared in late 1990s 2nd generation Appeared in late 1980s 1st generation Appeared in early 1980s Generations of OPAC OPAC with GUI interface and Z39.50 protocol support Non interactive Based on circulation and gives only non bibliographical details Only left anchored searching Limited access points It offers both phrase and keyword access searching It also offers many access points. Interactive Based on simple MARC records Partly interactive Increased number of access point (using Boolean operators) Keyword Searching
  9. 9 Web OPAC during the Covid-19 Pandemic Remote access to library materials Online resources E-books and e-audiobooks Book Suggestions Support OPACs helped library patrons in key ways
  10. 10 OPAC and Smart Devices Users using various devices such as personal : computers, iPads and smartphones can access OPAC services from the academic digital library and other digital library services to access information anywhere and anytime.
  11. .. 11 Conclusion The development of technology and changes have a major impact on libraries. WEB OPAC is an instrument of change in today’s libraries. Librarians must continue to play the role of an “Agents of Change” in the use of online catalogues. In all of his writings, Wilfred Lancaster (1981) stresses the acceleration of electronic and digital advances, and the emergence of paperless information systems, and indicates that we are approaching the day when a great library of science can be within an area of ​​less than 10 square meters, containing only electronic outlets and equipment….
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  13. 13 Ejovwokoghene, E. R. (2019, 5). Use of Online Public Access Catalogue (OPAC) in Selected University Libraries in South-South Nigeria. Retrieved from researchgate: References versity_libraries_A_new_way_of_delivering_information/figures?lo=1&utm_source=google&utm_medi um=organic