Digital Resources of Library and Information Center.
The resources of information which are available in the form of Digital or Electronic format are known as digital resources. Digital resource is the knowledge that becomes a dynamic resource for global sharing more easily than knowledge in any form and lends scope for automated delivery mechanisms. Information have been embedded in varieties of ways and forms in various kinds of digital resources. Following are some of the digital resources of information by which we can retrieve the required information with in reasonable time with speed and accuracy:
- OPAC (On-line Public Access Catalogue).
- Electronic Texts and Journals.
- Computer Networks like LAN and WAN.
- E-mail and Bulletin Board.
- Audio-visual aids.
Advantages for Digital Resources of Information:
- Information that is digitized can become available to anyone anywhere in the world at minimal cost and its source does not get exhausted with unlimited use.
- Digital information obtains full networking capability.
- Effective searching can be possible to retrieve a particular information.
- Downloading of the required information is very easy.
- Presentation of information through the digital resources can be done within a reasonable time with speed and easy. Multiple access to electronic resources is possible.
- Access to information is instant.
- It develops a distributed learning environment by which all the users can be benefited at a large volumes of data can be stored in the digital resources and made accessible to the users.
- Remote access to information also can be possible.
- Addition of information to the collection of digital resources is faster.
- Cataloguing, editing, referring, indexing etc. can be done with ease and speed.
- Education and Training can be provided through digital resources effectively.
- Information transfer can be provided with speed and accuracy.
- Career planning and related information can be accessible using the digital resources of information.
- Above all, the quality of information service can be improved and maintained through the digital resources.
How to Create and Manage Digital Resources In Libraries:
To create and manage digital resources, first of all libraries must be automated by computer applications. The basic requirements for creating digital resources are:
- All the functions of the Library should be computerized.
- Networking facilities like LAN and WAN must be available in the Library,
- CD-ROM and Multimedia Workstations to be installed.
- Internet connection must be provided.
- Digital computer Scanner and CD-Writer facilities to be established.
Creation of Digital Resources of Information:-
Computerized Catalogues may be created and made accessible for the users by maintaining separate computer systems through LAN Efforts have to be made to produce all documents in digital form. This will reduce our expenditure in converting texts to digital form. Creating texts in digital form would facilitate in publishing of documents electronically either on the Web or in the form of CDs etc. Information using the Electronic texts & Journals should be created and provided through LAN or WAN or Intra/Internet facilities to the users.
Separate Web page. may be created by the Library highlighting its services and collections on Internet which will support electronic publishing of reports announcements, new additions notices etc., and increase the use of its resources .Daily news, important Notices and Circulars, list of new arrival of Books and Journals, Academic Advertisements, fellowships etc can be created and provided through E-mail and Bulletin Board Service.
CD-ROM search ma be admissible to the uses by creating and managing separate CD-ROM workstations for which a good collection of CD-ROMs and Multimedia CDs should be purchased and kept at the libraries for accessing the relevant information after getting signature and data about the CD-ROMs searched by the users. For that a separate register should be kept to avoid multuation or misplacement of CD-ROMs.
Using the Computer Scanners and CD-Writer, relevant and required images from text books and journals and other primary documents may be scanned and included in the required documents and they may be provided to the users on demand with reasonable charges.
Internet access may be provided to the user for retrieving the required information and fee may be collected for browsing the Internet and a separate data and account may be maintained for the same.
Electronic Information Resources of a Library:
The libraries with their traditional holdings in print format, are now being added with electronic information resources in various formats like CD-ROM and DVD-ROM databases, On-line databases, E-Journals and plenty of Internet or Web resources. The content of these sources varies from bibliographic or factual to full text.
1. CD-ROM Databases:
CD-ROM databases are increasing day by day in almost all fields due to their many advantages in information storage and retrieval. Majority of publishers of books and journals, on-line vendors and various learned societies are bringing out new titles in CD format with powerful, user-friendly retrieval software. Electronic information resources in CD format include abstracting and indexing services, encyclopedias, dictionaries, directories, yearbooks, back volumes, patents, standards and many other reference works. The CD-ROM technology has given ample opportunities for information professionals to introduce more information services to end-users.
2. DVD-ROM Databases:
The advent of DVD- Digital Video Disc or Digital Versatile Disc, with its 17 GB of high data storage capacity, has made it possible to include more multimedia elements like video and sound and to integrate many reference sources on a single disc. “The other features like higher quality of sound and video, higher rate of data transfer, data security etc., are making DVD more viable option than CD-ROM. But, at present due to some problems like lack of standards among the manufacturers of DVDs and drives, need for extra hardware on PCs and their higher prices are making the growth of DVD technology slow”. Some DVD reference sources include Britannica DVD 99, Webster’s International DVD Encyclopedia-2000, Grolier Multimedia Encyclopedia, Eyewitness World Altas DVD-ROM Deluxe Edition, The Complete National Geographic on DVD-ROM etc.
3. Online Databases:
The recent growth of Internet and the popularity and ease in use of Web are making libraries to subscribe to online information services. The online database services like Dialog (KR Information) and STN are now moving towards being webcentric. The usage of online databases against their CD-ROM counterparts has to be evaluated and decided on the basis of cost effectiveness and timeless. Few Online information services are KR ScienceBase and STN. The KR ScienceBase which includes information sources like BIOSIS, CA Search, Elsevier Science Publishers, Reuters, NTIS etc. The STN international provides a complete collection of in-depth databases in science and technology which gives quick, direct links to the literature, patents and chemical catalogues, chemical, Abstract Service, producer of the world’s largest and most comprehensive database of chemical information, offers several databases on STN like CAplus, INSPEC, MEDLINE, SCISEARCH, TOXLIT ETC
E-Journals or Electronic Journals are gaining more importance with the emergence of Internet. The Publishing world is undergoing a revolutionary change as more and more publications are becoming WEB centric. “Most of the publishers are choosing WEB as a an access medium using HTML to mark up the journal content so that it can be read using a web browser. These are also as networked E-Journals. Other publishers have chosen to use additional access software in conjunction with the WEB. the most popular being Adobe Acrobat and its associated Portable Document Format (PDF) file type”
Internet as an Electronic Information Resource:
The INTERNET and its World Wide Web (WWW) have given a paradigm shift to information management. The information available on net is increasing rapidly and the task of providing relevant information to patrons is gaining paramount importance in all types of libraries. Most of the reputed publishers, learned and commercial societies are hosting their products on net and also all libraries are sharing their internal and external information resources by means of web pages and Web-OPACs. The powerful search engines over net are aiding the information location quite efficiently. The Internet services like E-mail, Bulletin Boards, Newsgroups, Discussion Lists, etc are gaining importance in libraries and are becoming indispensable resources for the users. Due to impact of Internet, there is a swift migration from offline to online, as Web is becoming a popular user interface for providing access to remote and frequently updated resources.
- Selvakumar, A. (2002). Acquisition and preservation of digital library resources. University.