A centre of expertise in digital information management UKOLN is supported by: SWORD: An Overview...
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![Page 1: A centre of expertise in digital information management UKOLN is supported by: SWORD: An Overview 2 nd June 2009 Web Service.](https://reader036.fdocuments.in/reader036/viewer/2022070306/5515e55655034638038b4df6/html5/thumbnails/1.jpg)
A centre of expertise in digital information management
www.ukoln.ac.uk www.bath.ac.uk
UKOLN is supported by:
SWORD: An Overview2nd June 2009
Web Service DayBritish Library, London
Adrian StevensonSWORD Project Manager
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A centre of expertise in digital information management
www.ukoln.ac.uk www.bath.ac.uk
SWORD Quick Introduction
• Vision: “lowering barriers to deposit”• Simple Web service Offering Repository
Deposit• Aims to provide a standard mechanism for
‘doing deposit’ into repositories• JISC funded project started 2007,
continuation funding for SWORD 2 from June 2008
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A centre of expertise in digital information management
www.ukoln.ac.uk www.bath.ac.uk
What is it?
• A lightweight protocol for deposit• A profile of the Atom Publishing Protocol• Implementations of SWORD in IntraLibrary,
Fedora, DSpace and Eprints repositories• SWORD clients – web-based, desktop,,
Facebook client, MS Office plugin, widgets
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A centre of expertise in digital information management
www.ukoln.ac.uk www.bath.ac.uk
Motivations – why?
• no standard interface for tagging, packaging or authoring tools to upload objects into a repository
• no standard interface for transferring digital objects between repositories
• no way to deposit into more than one repository with one ‘click’
• no way of initiating a deposit workflow from outside a repository system
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A centre of expertise in digital information management
www.ukoln.ac.uk www.bath.ac.uk
Use Cases
• Deposit from a Desktop/Online tool• Multiple deposit - e.g. deposit to institutional and
(mandated) funders’ repository with one action • Machine deposit - e.g. automated deposit from a
laboratory machine • Migration/transfer - e.g. to a preservation service • Mediated deposit - e.g. deposit by a nominated
representative, to additional repositories
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A centre of expertise in digital information management
www.ukoln.ac.uk www.bath.ac.uk
The Project Partners
• SWORD partners:– UKOLN, University of Bath and University of York
(Project Management) – Adrian Stevenson & Julie Allinson
– University of Cambridge – Jim Downing (Profile)– University of Aberystwyth (DSpace, Fedora, & clients) –– Stuart Lewis, Neil Taylor, Glen Robson, Richard Jones– University of Southampton (EPrints) – Les Carr, Seb
Francois– Intrallect (IntraLibrary) –Sarah Currier, Andrew Robson
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A centre of expertise in digital information management
www.ukoln.ac.uk www.bath.ac.uk
SWORD AtomPub Profile
![Page 8: A centre of expertise in digital information management UKOLN is supported by: SWORD: An Overview 2 nd June 2009 Web Service.](https://reader036.fdocuments.in/reader036/viewer/2022070306/5515e55655034638038b4df6/html5/thumbnails/8.jpg)
A centre of expertise in digital information management
www.ukoln.ac.uk www.bath.ac.uk
Standards
• WebDAV (http://www.webdav.org/) • JSR 170 (http://www.jcp.org/en/jsr/detail?id=170) • JSR 283 (http://www.jcp.org/en/jsr/detail?id=283) • SRW Update (http://www.loc.gov/standards/sru/) • Flickr Deposit API (http://www.flickr.com/services/api/) • Fedora Deposit API
(http://www.fedora.info/definitions/1/0/api/) • OKI OSID (http://www.okiproject.org/) • ECL (http://ecl.iat.sfu.ca/) • ATOM Publishing Protocol
(http://www.ietf.org/htmlcharters/atompub-charter.html)
![Page 9: A centre of expertise in digital information management UKOLN is supported by: SWORD: An Overview 2 nd June 2009 Web Service.](https://reader036.fdocuments.in/reader036/viewer/2022070306/5515e55655034638038b4df6/html5/thumbnails/9.jpg)
A centre of expertise in digital information management
www.ukoln.ac.uk www.bath.ac.uk
“The Atom Publishing Protocol is an application-level protocol for publishing and editing Web resources”
• benefits – supports many parameters and requirements - file
deposit– already exists and has growing support - blogs– has an extension mechanism – good fit with Web architecture
• drawbacks / risks – retrofit?– designed for a single package/file or an atom document
– means that we need to package metadata and files
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A centre of expertise in digital information management
www.ukoln.ac.uk www.bath.ac.uk
SWORD AtomPub Profile• SWORD profile builds on AtomPub• Provides set of extensions, constraint relaxations
and enforcements for:– Clients posting compound resources (zip,tar)– When mediated deposit required– Where workflows involved
• Part A adds to AtomPub, Part B highlights how SWORD diverges
• SWORD compliance does not preclude AtomPub compliance
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A centre of expertise in digital information management
www.ukoln.ac.uk www.bath.ac.uk
SWORD APP Package Support
• AtomPub uses MIME to describe resources• Inadequate for compound types e.g.
– Zip, tar– METS, IMS-CP, MPEG21, DIDL packages
• SWORD extends AtomPub:– sword:acceptPackaging element– Value taken from SWORD package types
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A centre of expertise in digital information management
www.ukoln.ac.uk www.bath.ac.uk
SWORD APP Mediated Deposit
• SWORD deposit client user may not be owner of resource
• SWORD allows clients to set a HTTP header:– X-On-Behalf-Of
• Assumes trust between owner and mediating user
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A centre of expertise in digital information management
www.ukoln.ac.uk www.bath.ac.uk
SWORD APP Developer Features
• No-Op (Dry Run)
• Verbose Output
• Client and Server Identity
• Auto-Discovery
• Error Documents
• Nested Service Description
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A centre of expertise in digital information management
www.ukoln.ac.uk www.bath.ac.uk
SWORD APP Error Documents
• SWORD adds new class of doc to AtomPub to allow better error description– ErrorContent– ErrorChecksumMismatch– ErrorBadRequest– TargetOwnerUnknown– MediationNotAllowed
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A centre of expertise in digital information management
www.ukoln.ac.uk www.bath.ac.uk
SWORD Profile of AtomPub
• Part B follows AtomPub specification highlighting where SWORD profile diverges
• Part B covers:– Protocol Operations
• Retrieving Service Document• Listing Collections• Creating a Resource• Editing a Resource - Not currently implemented
– Category Documents – MUST NOT be required
– Service Documents• SWORD requires support for service documents• new elements: version, verbose, noOp, maxUploadSize
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A centre of expertise in digital information management
www.ukoln.ac.uk www.bath.ac.uk
How it Works
• APP/SWORD works by issuing HTTP requests (GET, POST) – GET Service Document (explain/discover)– POST a file or package to collection URI
• HTTP response and ATOM document is returned
• HTTP basic authentication is required
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A centre of expertise in digital information management
www.ukoln.ac.uk www.bath.ac.uk
SWORD In Use
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A centre of expertise in digital information management
www.ukoln.ac.uk www.bath.ac.uk
Implementations• Repository implementations
– DSpace – EPrints – IntraLibrary – Fedora
• Client implementations – command-line, desktop and web clients– Facebook Client– Deposit from within MS Word & Powerpoint– Feedforward / FOREsite and others:
http://www.swordapp.org/sword/implementation
– Java, PHP and .NET libraries
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Web Interface
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Fedora deposit
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Fedora Deposit response
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Validation
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Deposit via Facebook
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Netvibes Widget
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Deposit in Intralibrary
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FeedForward Deposit
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Intralibrary preview of deposited item
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OfficeSWORD Add-on• http://www.codeplex.com/OfficeSWORD
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A centre of expertise in digital information management
www.ukoln.ac.uk www.bath.ac.uk
SWORD in use• In addition to the case study implementations:
– Feedforward has already implemented – ICE project is looking at SWORD – EU PEER project implementing SWORD– Microsoft Zentity Research-Outputs Repository– Microsoft eChemistry work– OAI-ORE - FOREsite work – EM-Loader– YODL-ING – University of York– Others coming along all the time
• Collaboration with Nature Publishing Group
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A centre of expertise in digital information management
www.ukoln.ac.uk www.bath.ac.uk
More Info and Contact• SWORD Website:• http://www.swordapp.org• http://twitter.com/swordapp• General queries:
– Adrian [email protected]
• Technical queries:– Sword sourceforge list
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A centre of expertise in digital information management
www.ukoln.ac.uk www.bath.ac.uk
Questions?
• http://www.swordapp.org• http://www.twitter.com/swordapp