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Introduction Greenstone Digital Library Software

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

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Introduction Greenstone Digital Library Software

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  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 Waikato’s 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-foss/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 collection’s purpose • Statement of collection’s 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 world’s 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. Title Creator Subject Description Publisher Contributor Date Type Format Identifier Source Language Relation Coverage Rights Dublin Core Element Set

  28. End

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