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2. DIGITAL LIBRARY 3. DIGITAL LIBRARY Presented To Dr. Muhammad Rafiq Presented By Iqra Tariq MLIS-13-10 Shazia MLIS-13-23 M.Waqar Hameed MLIS-13-29 Imran Nawaz MLIS-13-30 Saadullah MLIS-13-35 Rabia Arshad MLIS-13-36 4. WHAT IS LIBRARY? A library is somewhere that you can find all kinds of books. Some people like to go to a library to study. It is always quiet in a library. A building or room containing collections of books, periodicals, and sometimes films and recorded music for use or borrowing by the public or the members of an institution. 5. WHAT IS DIGITAL LIBRARY? Definition:- A digital library is a collection of documents in organized electronic form, available on the Internet or on CD-ROM (compact-disk read-only memory) disks. Depending on the specific library, a user may be able to access magazine articles, books, papers, images, sound files, and videos. An electronic library is a library in which collections are stored in electronic media formats and accessible via computers. The electronic content may be stored locally, or accessed remotely via computer networks. An electronic library is a type of information retrieval system. 6. INTRODUCTION Digital libraries extend and integrate approaches adopted in traditional libraries, as well as in distributed information systems, to yield high-end information systems, services, and institutions. 7. THE CONTRAST BETWEEN TRADITIONAL & DIGITAL LIBRARIES IS PRESENTED BELOW Traditional Library Digital Library Print collection All resources in digital form. Stable, with slow evolution Dynamic and ephemeral Individual objects not directly linked with each other. Multi-media and fractal objects Flat structure with minimal contextual metadata Scaffolding of data structures and richer contextual metadata. Scholarly content with validation process More than scholarly content with various validation processes Limited access points and centralized management Unlimited access points, distributed collections and access control The physical and logical organization correlated. The physical and logical organization may be virtually One way interactions Dynamic real-time dialogue 8. FUNCTION OF DIGITAL LIBRARY Access to large amounts of information to users wherever they are and whenever they need it. Access to primary information sources. Support multimedia content along with text Network accessibility on Intranet and Internet User-friendly interface Hypertext links for navigation Client-server architecture Advanced search and retrieval. Integration with other digital libraries. 9. PURPOSE OF DIGITAL LIBRARY Expedite the systematic development of procedures to collect, store, and organize, information in digital form. Promote efficient delivery of information economically to all users. Encourage co-operative efforts in research resource, computing, and communication networks. Strengthen communication and collaboration between and among educational institutions. Take leadership role in the generation and dissemination of knowledge 10. COMPONENTS OF DIGITAL LIBRARY Infrastructure Digital Collection Systems function Telecommunication facility Human resources 11. ADVANTAGES OF THE DIGITAL LIBRARY No physical boundary Networking Space Preservation & conservation Information retrieval Structured approach Multiple accesses Round the clock avail Cost 12. DISADVANTAGES OF THE DIGITAL LIBRARY Copyright Speed of access Initial cost is high Preservation Environment Efficiency Band width