implementing an integrated digital asset management system: fedora and oais in context paul bevan...
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Implementing an Implementing an Integrated Digital Asset Integrated Digital Asset
Management System: Management System: FEDORA and OAIS in FEDORA and OAIS in
ContextContextPaul BevanPaul Bevan
DAMS Implementation Manager DAMS Implementation Manager
[email protected]@llgc.org.uk
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StructureStructure Background and overviewBackground and overview OAIS ModelOAIS Model
Why OAIS?Why OAIS? OverviewOverview IngestIngest Archival StorageArchival Storage AccessAccess (Administration, Data Management)(Administration, Data Management)
METSMETS Integration as a project (Issues and Tasks)Integration as a project (Issues and Tasks)
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Institutional ContextInstitutional Context
The LLGC DAMS is safekeeping for The LLGC DAMS is safekeeping for Wales’ digital assets but, it is an Wales’ digital assets but, it is an element within a wider Digital Asset element within a wider Digital Asset Management Solution, which is an Management Solution, which is an element within the library’s element within the library’s integrated systems, which come integrated systems, which come together to:together to:… preserve and give access to all kinds and forms of recorded knowledge, especially relating to Wales and the Welsh and other Celtic peoples, for the benefit of the public including those engaged in research and learning.
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Institutional ContextInstitutional Context IMS Procurement high level IMS Procurement high level
deliverables:deliverables: Improves efficiency and substantially simplifies the Library’s Improves efficiency and substantially simplifies the Library’s
technical architecture and infrastructure.technical architecture and infrastructure. Interfaces seamlessly across different parts of the Library Interfaces seamlessly across different parts of the Library
with links to, for example, remote document delivery with links to, for example, remote document delivery systems.systems.
Conforms to and interfaces with international standards Conforms to and interfaces with international standards and related activities based on an open architecture.and related activities based on an open architecture.
Is open and hospitable to external user systems, e.g. for Is open and hospitable to external user systems, e.g. for document requesting, resource discovery and inter-library loans.document requesting, resource discovery and inter-library loans.
Is operational with successfully migrated legacy data and data Is operational with successfully migrated legacy data and data from external sources.from external sources.
Accommodates the functions of the National Screen and Sound Accommodates the functions of the National Screen and Sound Archive of Wales.Archive of Wales.
Is open and hospitable to the information community in Is open and hospitable to the information community in Wales e.g. for data exchange, maintenance and storage, and Wales e.g. for data exchange, maintenance and storage, and for the ingest of electronic resources.for the ingest of electronic resources.
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Institutional Context: Institutional Context: Development AimsDevelopment Aims
History of development with FedoraHistory of development with Fedora
Key Aims:Key Aims:
Add functionality to VITALAdd functionality to VITAL Developments in line with communities (Fedora, Vital and Developments in line with communities (Fedora, Vital and
other DAMS)other DAMS) Skills and ResourcesSkills and Resources
Cataloguers experienceCataloguers experience Re-use skillsRe-use skills
Single SearchSingle Search Solution to adhere to Standards; METS, PREMIS, OAIS, Solution to adhere to Standards; METS, PREMIS, OAIS,
TDR etc etcTDR etc etc
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OAIS OverviewOAIS Overview
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Why OAIS?Why OAIS? Useful OverviewUseful Overview Standard and ‘tested’Standard and ‘tested’ Overlaps with TDR (medium-term goal)Overlaps with TDR (medium-term goal) GranularityGranularity
But...But...
Not overly restrictive (Not overly restrictive (interpretation?interpretation?).). Complex & inaccessibleComplex & inaccessible
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Rights Management
Object Storage Servers
Dissemination Layer
FEDORA
Preservation Check
(eg. DROID)
Virus Check
Error Check
(Checksum)
Preservation Tasks
(eg. Migration)
Object
Electronic Deposit
Off-AirRecording
DigitalArchives
Digitisation
Ing
est M
ech
an
isms
…
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FEDORA
iPortal
Storage Solution(s)
VITALClient
UserStaff
Layered Layered DisseminaDisseminator tor StructureStructure
Direct Route
(eg. Google, URL)
ExternalDepositor
Ingest Process
Web Deposit Interface
VITAL Access Portal
Rights?
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Modelling: IngestModelling: Ingest
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Rules for being an AIPRules for being an AIP Every object will have a MARC record (at Every object will have a MARC record (at
some level) within the IMSsome level) within the IMS Every object in the repository will have a Every object in the repository will have a
METS documentMETS document Every object will have DC for OAI-PMHEvery object will have DC for OAI-PMH METS will be our SIP, AIP and DIPMETS will be our SIP, AIP and DIP METS will be the policy, FEDORA services METS will be the policy, FEDORA services
will enact the policy.will enact the policy. eg. DC Section in METS populates the DC eg. DC Section in METS populates the DC
datastreamdatastream eg. Structural Map held in METS, structure in eg. Structural Map held in METS, structure in
RELS-EXT datastreamRELS-EXT datastream
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METS Creation METS Creation
Existing METS Document
(if applicable) MARC XML
Default METSDocument
METS SIP
JHoveDC
ModsPREMIS
Technical – MIXBehaviour
METS:RightsMETS:StructuralMap
etc.
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Ingest RevisitedIngest Revisited
Checksum, Error Checking etc
Ingest Processes (IMS, MARCXML etc)
Update IMS with 856 link to Handle
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Modelling: Archival Modelling: Archival StorageStorage
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Object (PID/Handle)
DS: METS
DS: DC (OAI-PMH)
DS: Relationships
DS: Object (eg. TIFF File)
DS: Object (eg. JPEG File)
DS: Object (eg. Thumbnail File)
DS: Object (eg. Zoomify File)
Referenced
Referenced
Referenced
Near-LineTape Store
Fast Image Server
Server
Object Model (AIP): Still Object Model (AIP): Still ImageImage
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Metadata Types & Metadata Types & LocationsLocations
Asset
Virtua VITAL
MARC21 METS
DC
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Archival Storage Archival Storage RevisitedRevisited
FEDORA/VITAL
Developments Existing/Storage Processes
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Modelling: AccessModelling: Access
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Access RevisitedAccess Revisited
FEDORA/VITALIMS/Virtua
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Briefly: Administration?Briefly: Administration?
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Briefly: Data Briefly: Data Management?Management?
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METSMETS
METS as SIP, AIP and DIPMETS as SIP, AIP and DIP Contains Metadata from:Contains Metadata from:
JHOVE/Automatically ExtractedJHOVE/Automatically Extracted RightsMD RightsMD DescriptiveMD (minimum required for DescriptiveMD (minimum required for
locating)locating) PreservationMDPreservationMD
METS functions as the METS functions as the rulesrules not the not the enforcement mechanismenforcement mechanism
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Key Issues for IntegrationKey Issues for Integration
Seamless Transition IMS to DAMSSeamless Transition IMS to DAMS Skin Skin Language choice Language choice
Persistent SessionPersistent Session Search historySearch history CartCart
Shared Rights Shared Rights LDAPLDAP
Single Sign onSingle Sign on
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IMS Linking IMS Linking (Developments)(Developments)
Updating of MARC Records in IMSUpdating of MARC Records in IMS Ingest of descriptive metadata from Ingest of descriptive metadata from
IMSIMS Single Search & Sign OnSingle Search & Sign On Transparent Dissemination Transparent Dissemination
ExperienceExperience Rights ManagementRights Management
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Managing the Managing the ImplementationImplementation
Implementation Group comprising mix Implementation Group comprising mix of standards, IMS project management, of standards, IMS project management, technical, and digitisation staff. technical, and digitisation staff. Carried Carried over from pilot.over from pilot.
2 DAMS Implementation Managers 2 DAMS Implementation Managers (Systems & Technical)(Systems & Technical)
Key interactions with other personnel Key interactions with other personnel as required.as required.
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Managing the Managing the ImplementationImplementation
Milestones:Milestones: Migration of existing Digitised MaterialMigration of existing Digitised Material Switch over to VITAL for delivery of Switch over to VITAL for delivery of
assetsassets Ingest of other existing formats (eg. Ingest of other existing formats (eg.
VDEP, Websites, A/V)VDEP, Websites, A/V) Implementation of further Implementation of further
disseminators required for access.disseminators required for access.