Introduction to DSpace
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Transcript of Introduction to DSpace
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Introduction to DSpaceIntroduction to DSpace
Mukesh Pund
Scientist
NISCAIR, New Delhi
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DSpace is a joint project of MIT Libraries and Hewlett-Packard Labs
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What is DSpace?What is DSpace?
An open source software for Digital Object management Create, search and retrieve digital objects Facilitate preservation of digital objects Allows open access and digital archiving Allows building Institutional Repositories Low cost, including all hardware and software components Robust
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What is DSpace? (contd..)What is DSpace? (contd..)
Scalable Modular User Friendly Multi-user (including both searching and maintenance) Multimedia digital object enabled Platform independent (including both client and server
components) interoperable
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H/W and S/W requirementsH/W and S/W requirements
UNIX recommended (Java-based program should run on anything)
Open source, built on Apache web server and Tomcat Servlet engine
Uses postgreSQL or Oracle relational database
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Possible types of ContentPossible types of Content
Preprints, articles Postprints Technical Reports Conference Papers Theses/Dissertations Datasets
e.g. statistical, geospatial, scientific
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StandardsStandards
Dublin Core only OAI-PMH v 2.0 (Open Archive’s Initiative Protocol for metadata
harvesting) UNICODE Compliant
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CapabilitiesCapabilities
Exports in XML format Supports crosswalks through OAI-PMH
DC (Dublin Core) Qualified DC METS (Metadata Encoding and Transmission Standard MODS (Metadata Object Description Schema – sibling of MARCXML)
Can be extended to any Metadata Schema
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CustomizationCustomization
Screens E-mails Metadata Input-forms Display of results Fields to be Indexed Access restrictions License (in addition to Creative Commons)
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How a digital repository is organized in How a digital repository is organized in DSpace ?DSpace ?
Bitstreams (files having content) Bundles (more than one bitstream) Items (digital documents) Collections (a set of items) Sub-communities ( a set of collections) Communities (Top level)
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Items & BitstreamsItems & Bitstreams
The Basic digital document is called an item A bundle may consist of many files (bitstreams in DSpace
parlance) Item is can have one bitstream or a bundle of bitstreams Item requires metadata description, just as printed document Bitstreams do not have metadata
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Bitstream formatsBitstream formats
Text plain text, html pages, Pdf, word, ps, TeX
Images Giff, jpeg, tiff etc
Audio Wav, mp3, real audio, midi
Video Mpeg, avi, mov etc
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More about bitstreamsMore about bitstreams
Bitstreams can be any computer file NOTE: If the end user system has the software to run a
bitstream or his browser has a plug in, one can view or play bitstreams
DSpace is blissfully unaware of file formats, it just stores and disseminates them
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Ideal bitstreamsIdeal bitstreams
Use open standards to ensure long term preservation Think of the format which you can support in the future
(migration across versions of the software) Avoid proprietary standards
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DSpace item consistsDSpace item consists
Bitstream(s) Metadata License Plain text or thumbnail of the bitstreams in case you use filter-
media (which does full-text indexing or creates thumbnails to images)
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ItemsItems
Items are also referred as Digital document Digital resource Digital object
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Communities and Collection Communities and Collection
Items can be placed in a collection Example:
A collection of theses A collection of reports A collection of How-tos A collection of e-mails
Collections are part of a community or sub-community Communities can be divided into sub-communities, which can
be further sub-divided
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Examples of CommunitiesExamples of Communities
Social Sciences Natural Sciences Humanities
Can be anything intuitive to the end user of your repository
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Sub-CommunitiesSub-Communities
Under Humanities one can have sub-communities as Humanities
History Philosophy Psychology
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Further division?Further division?
Sub-communities can be divided into further sub-communities, such as Philosophy (can have)
Epistemology Metaphysics Logic
The organization of Dspace in most cases can be familiar Library classification.
But it can be anything: DL organization Depends on your users expectations
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CollectionsCollections Under each community or sub-community, you should have
collection(s). It is the collections that contain items (digital documents) Communities or sub-communities can not have items directly
under them
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CollectionsCollections
Collections can be organized by type of documents For example,
Theses Articles Photographs Presentations etc.Again, it depends on users expectations
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You can have-You can have-
Many: communities and sub-communities collections under a community or sub-community items in a collection bitstreams in an item
One: Metadata to an item License to an item One access point to a bundle of bitstreams
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People associated with DSpace DLsPeople associated with DSpace DLs
Anonymous Users (anybody) Members, who wish to subscribe to a collection (one can not
subscribe to communities). Also called E-person in DSpace Submitters (authors), who submit their publications to a
collection (they should be members and have been authorized to submit).
Reviewers - members who are authorized to review submissions. They can either accept or reject submissions). Normally, they are subject specialists
Metadata Editors – who validate the metadata. Normally, they are library professionals
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People associated with DSpace DLsPeople associated with DSpace DLs
Collection Administrators. In a large digital repository collection administration can be delegated various E-groups.
They can choose the reviewers, metadata editors among members and decide the collection policy
They are different from DSpace administrators, who have the overall responsibility and power. A kind of super-user
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E-GroupsE-Groups
DSpace calls the reviewers, metadata editors, collection administrators as E-groups
It means, there can be more than one e-person (member) in any list of reviewers or metadata editors etc.
Each e-group can be associated with one or more collections A member can be placed in none or more than one e-group
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DSpace AdministratorDSpace Administrator
Create communities Create collections under each community Administration of E-People Creating E-Groups among E-People Authorizing E-Groups for each collection Authorizing E-People for submission Authorizing E-Groups to workflows for each collection Various Authorizations at
Community Level Collection Level Item Level Bitstream level
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Can add local (non-standard) elements to Dublin Core Can add new bit stream formats Customization of DSpace Screens Customization of E-mail alerts Modification of License for submission
DSpace Administrator (contd..)DSpace Administrator (contd..)
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Important SitesImportant Sites http://www.dspace.org http://www.sourceforge.net/projects/dspace http://wiki.dspace.org http://nsdl.niscair.res.in (National Science Digital Library)
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