A presentation on Digital Library Architecture (components of digital library) by Rupesh Kumar A, Assistant Professor, Department of Studies and Research in Library and Information Science, Tumkur University, Tumakuru, Karnataka, India.

1. Digital Library Architecture
RupeshKumarA
Email:a.rupeshkumar@gmail.com

2. Digital Library Architecture
(Componentsof Digital Library)
User Interface Search System
Handle System Repository

3. User Interface
• User interfaceis the componentthrough which users can
communicatewiththeDL system.
• User interfacecan be:
– For theend-users
– FortheDLadministrators
• Standard user interfaceis a Webbrowser.
• Web browser connectsto the DLclientservices
• Through theclient services, users can deposititems,browse,
search and do other operations.

4. Repository
• Repository stores and managesdigital objects and other
information.
• Web servers are used for storage.
• The interfaceto therepository is called theRepository
Access Protocol (RAP).
• Repositories contain rights & permission informationapart
from digitalobjects and metadata.

5. HandleSystem
• Handlesare general-purposeidentifiersthatcan beused to
identifyInternetresources, such as digitalobjects.
• When used with therepository, the handlesystemreceives as
input ahandle fora digitalobjectand returns theidentifierofthe
repository where theobjectisstored.
• Handle systemis importantto generateandmaintainpersistent
links fordigitalobjectsin the repository.

6. SearchSystem
• Search system handles indexingand cataloguingtasks.
• Search system generates and maintainsindexes for various
access points.
• It helps the user at thebackground to retrieve relevant records
from therepository.