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Introduction Greenstone Digital Library Software

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Introduction Greenstone Digital Library Software By John K Thuku At the Greenstone Training Workshop held at Kenyatta University. 14-18th December 2010. – PowerPoint PPT presentation

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Title: Introduction Greenstone Digital Library Software


1
Introduction Greenstone Digital Library Software
  • By
  • John K Thuku
  • At the Greenstone Training Workshop held at
  • Kenyatta University.
  • 14-18th December 2010.

2
Introduction
  • Greenstone Digital Library Software
  • Is an open source Digital Library collections
    building and distribution software
  • License
  • Freely available, Open Source Software (OSS)
  • Issued under the terms of the GNU General Public
    License.
  • Available
  • http//www.greenstone.org

3
Definitions
  • Open source - refers to software that is made
    available for free and that includes the original
    (uncompiled) source code used to create it so
    that users can freely modify it
  • Collection is an organized group of objects
    (often digital information materials).

4
Development
  • First developed in 1996 by the New Zealand
    Digital Library Project at the University of
    Waikatos Computer Science Department.
  • Greenstone 2.83 is the recent stable version.
    Released in 2009
  • The latest version is Greenstone 3.
  • It has many new functions but retained most
    features in the previous versions.
  • It has been on trial for about a year now.

5
Aims of Greenstone
  • It is aimed at helping libraries build their own
    digital libraries so as to facilitate resource
  • Distribution
  • Sharing
  • Improving access
  • Conservation

6
Features of Greenstone
  • Easy to install
  • Has an easy to learn interface
  • Supports multiple types of documents
  • Doc, pdf, html, text, image files, video
  • Able to handle large number of objects
  • It is customizable
  • Supports z39.50 protocol
  • Supports multiple languages
  • Supports several metadata sets
  • E.g. Dublin Core, Marc 21

7
Features, contd
  • Supports protocol both as client and as server,
    thus
  • The collection is easily distributed on CDs and
    other portable storage media.
  • The collection can run easily locally on a CD or
    a PC, or remotely on a Server.
  • The collection provides various search methods
  • Browse title, author, subjects.
  • Keywords bibliographic fields, index terms as
    well as fulltext.
  • Boolean.
  • Wildcard.

8
Features, contd
  • Interoperable
  • Supports Open Archives Initiatives - Protocol
    Metadata Harvesting. (OAI-PMH).
  • Metadata can be shared to external search
    engines.
  • Possible to export collection to or import from
    Dspace.

9
General Requirements
  • Greenstone DL Software is multiple platform and
    runs on
  • Windows, Linux Mac operating systems
  • Hardware
  • PC Pentium IV, 256 MB Ram, 2 MHz
  • Supporting Software
  • Web browser
  • Java Runtime
  • ImageMagic for processing image files
  • Plug-ins
  • Software modules that handle
  • Format conversion
  • Metadata extraction

10
Users
  • Greenstone has a wide user base. It is used in
  • Many countries especially developing countries
  • Asia, South America and Africa
  • Universities and other Tertiary Institutions
  • Research Institutions
  • International bodies, NGOs, CBOs

11
Support
  • Documentation Mainly available from the links
    at Greenstone DL Site
  • Manuals
  • Demo collections
  • Wiki
  • Tutorial Exercises
  • FAQs
  • Workshops
  • Institutional-based, national or regional
    workshops

12
Support Contd
  • Support Groups
  • Southern African Greenstone Support Network
    http//www.eifl.net/cps/sections/services/eifl-fos
    s/greenstone
  • Greenstone Support for South Asia
    http//greenstonesupport.iimk.ac.in
  • Greenstone Support for South America
  • Eastern African Greenstone Support ?

13
Support Contd
  • Mailing Lists
  • Developers mailing list
  • To discuss matters that relate to development of
    Greenstone
  • User list
  • General discussion about Greenstone features,
    challenges,
  • Support network
  • Discussions, communications, news and
    announcements
  • Online Help
  • Is available through the User and Librarians
    Interface

14
Greenstone DL Interfaces
  • User Interface
  • Web based
  • Can be customized
  • Librarian Interface
  • Allows collection development processes
  • Download files for your collection
  • Gather documents to build the collection
  • Enrich content with metadata
  • Design appearance, searching browsing
    facilities
  • Create or build the collection

15
Librarian Interface
16
User Interface
17
Collection Organization
  • Collection title contacts
  • Statement of collections purpose
  • Statement of collections coverage
  • Explanation of how collection is organized

18
Used
  • Greenstone has been used for
  • Selected set of documents
  • Bibliographic collections
  • Institution repositories
  • Collection of image and multimedia files

19
  • Metadata

20
What is Metadata?
  • Different meanings in different communities
  • Information about information
  • Can describe information at any level
  • Collection
  • Item
  • Item within item
  • Can be embedded within an object or separate from
    it

21
Types of Metadata
  • Descriptive
  • Descriptive metadata helps users find and obtain
    objects, distinguish one object or group of
    objects from one another, and discover the
    subject or contents.
  • Administrative
  • Helps collection managers keep track of objects
    for such purposes as file management, rights
    management, and preservation.
  • Structural metadata
  • Documents relationships within and among objects
    and enables users to navigate complex objects,
    such as the pages and chapters of a book.
  • Linking or relationship data

22
Principles of Metadata
  • Have a community standard
  • Conforms to the needs of current and potential
    users
  • Supports interoperability
  • Distributed networked environment
  • Find resources that are distributed across the
    worlds libraries, archives, museums.
  • Includes a clear statement of the conditions and
    terms of use for the digital object.

23
Principles of Metadata contd.
  • Supports the long-term management and
    preservation of objects in collections.

24
Metadata and Cataloguing
  • Perception that cataloguing is old and metadata
    is new
  • Traditional cataloguing focuses on descriptions
    of print materials
  • Metadata focuses on management of networked
    resources
  • For locally created or managed networked
    resources (such as repositories), cataloguing is
    insufficient

25
Metadata Schemes
  • Defines a collection of elements for supporting a
    specific function
  • Defines structures for element values
  • Defines formal aspects of the element set, such
    as name, definition, data type, etc.
  • Some schemes are expressed as XML schemas

26
Some Common Standards
  • Dublin Core
  • MARC 21
  • Metadata Encoding and Transmission Standard (METS)

27
Dublin Core Element Set
  • Title
  • Creator
  • Subject
  • Description
  • Publisher
  • Contributor
  • Date
  • Type
  • Format
  • Identifier
  • Source
  • Language
  • Relation
  • Coverage
  • Rights

28
End
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