open source tools developing digital libraries

OPEN SOURCE TOOLS DEVELOPING DIGITAL

LIBRARIES

A. ROSELINEMLIS 2ND YEAR

4TH SEMPONDICHERRY UNIVERSITY

The term “Open Source” refers to software that is free and that includes the original source code used to create it so that users can modify it to make it work better for them.

It may be free, a developer or distributor may charge for services, training, installation and technical support.

What does Open Source mean?

• Free redistribution• Source code• Integrity of the author’s source code• No discrimination against persons or groups• Distribution of license• License must not be specific to a product.• license must not restrict other software

FEATURES OF OSS

Dspace EPrint Green stone

Open Source Software Tools developing Digital Libraries

DSpace

EPrints

Greenstone(GSDL)

Developed by HP-MIT Alliance, in 2002 Installed and is in production at over 373 institutions

Available under BSD(Berkeley Software distribution) license

Version 1.5 has been chosen for this study. “DSpace is a groundbreaking digital

institutional repository that captures, stores, indexes, preserves, and redistributes the intellectual output of a university’s research faculty in digital formats.”

www.dspace.org

DSpace

Supports submission of, management of, and access to digital content◦ Formats: text, images, audio, video

Organized based on organizational needs of a large university◦ Communities and collections

Digital preservation◦ Support levels for different file formats

Access control Search and retrieval

◦ Based on qualified Dublin Core metadata OAI-PMH data provider

◦ To support metadata harvesters

DSpace Features

OS: Unix or Linux Written in Java PostgreSQL relational database Provides complete Web user interface, but

Java APIs available MIT DSpace

◦ dspace.mit.edu

DSpace Technology

Developed by School of Electronic and Computer Science, University of Southampton, UK in 2000

Till today 287 known registered archives are running Eprints worldwide.

Version 3.1 has been chosen for the purpose of the study.

Can be configured as institutional repository or otherwise, e.g. repository focused on particular research area or discipline

Licensed under GNU General Public License software.eprints.org

EPrints

Supports submission, management of, and access to digital content

Can support multiple archives on one server

Moderated or immoderate archives Search and retrieval

◦ Based on metadata◦ Metadata can be customized for different

archives and document types No access control OAI-PMH data provider

OS: Unix or Linux Written in Perl Requirements:

◦ Apache web server◦ MySQL relational database

EPrints Technology

“Suite of software for building and distributing digital library collections”

Developed by University of Waikato, New Zealand◦ Developed in cooperation with UNESCO and the

Human Info NGO Licensed under GNU General Public License• The latest version is Greenstone 2.82 and 3.03 www.greenstone.org

Greenstone

Web interface for search and retrieval◦ Customizable metadata◦ Supports full text search of content

Extensive document filters◦ Word, Excel, PowerPoint, PDF, ...◦ Can extract metadata from documents

Many ways to build a collection, including:◦ Local files◦ Retrieve web sites◦ Retrieve objects via OAI-PMH

Full text search Multi-language support for browse/ search interface Plug-ins for Documents

Greenstone Features

Runs on Windows (back to 3.1), Linux, Mac OS X, Unix

Written in C++, Perl, and Java Uses MG/MG++ search engine Several different Web and Java/Swing user

interfaces for various functions Web interface for user access

Greenstone Technology

Advantages Access to source code and ability and right to

modify it Right to redistribute modifications to benefit

wider community Free Excellent support networks Large and enthusiastic user base

Disadvantages Limited or no accountability Informal and unaccountable support channels

Advantages and Disadvantages

Thank you!