The document discusses digital library services. It defines a digital library as a controlled collection of digital objects that can be organized, accessed, evaluated, and used through distributed services supported by digital technologies. It then lists and describes various types of digital content that can be included in digital libraries as well as services that digital libraries provide, such as search interfaces, document delivery, current awareness services, reference services, digital reference services, library websites and portals, and interlibrary loan. It concludes by mentioning two examples of digital library services in India.

1. Digital Library Services
Aparna S

2. Digital Library
According to R. Smith
“Controlled collection of information bearing objects that
are in digital form and that may be organized, accessed,
evaluated and used by means of heterogeneous and
extensible set of distributed services that are supported
by digital technology”
• Types of digital libraries
• Digital library - services
• Digital - Library services

3. • Electronic collections(content sharing)
E books
E full Text
Web databases
E thesis/Dissertation
Technical Reports
Patents
Literature/multilingual collections
Photograph
Presentations
Multimedia/AV materials
Results
Manuscripts, Art facts, simulators, class notes, Spread sheet
Archives
Digital Library collections

4. Digital library services
• Types of digital library services
• Search & browse Interface
User Interface
Content overview
Search interface
Display of resource
Manipulation of resources

5. Digital Library Services
• OPAC/WEBOPAC
• Digital information services
• Electronic Document Delivery service(EDD)
• Current Awareness Service(CAS)
• Selective Dissemination of Information(SDI)
• Web based reference aggregators
• Web based User Education
• RSS feed

6. Digital Library Services
• Electronic reference services
– Two way online chat (Instant messaging)
– Web push
– Co browsing
– Voice over IP
• Email Alerts
– Table of content alert
– Enhance alert
– New issue alerts
– Publication alerts
– Eye first alerts
– Database alerts

7. Digital Library Services
• Digital reference service
– Ask Librarian
– Chat bolt/SMS
• My Library/ Favorites
• Ask an expert
• FAQ
• Library calendar
• Web forms
• News letters

8. Digital Library Services
• Library websites
• Library Portals
• Library Blog
• Interlibrary loan / Consortium
• Resource dissemination through CD/DVD
• Citation management
• Payment fee/fine
• Bulletin Boards, Discussion forum and Listservs
• Links

9. Digital Library Services in India
NDLI
IR@INFLIBNET
Thank you!

10. References:
• https://www.researchgate.net/publication/32
2820771_DIGITAL_LIBRARY_SERVICES_AND_D
EVELOPMENT
• Balakrishnan S. & Paliwal P. k.(2001).Electronic
services.Library digital Technology
• http://www.ineer.org/Events/ICEE2007/paper
s/637.pdf