DRS 2 Orientation Agenda DRS 2 Concepts DRS 1: everything’s a file

DRS 2 Orientation Agenda DRS 2 Concepts DRS 1: everything’s a file www.phwiki.com

DRS 2 Orientation Agenda DRS 2 Concepts DRS 1: everything’s a file

McNear, Clay, Night and Day Editor has reference to this Academic Journal, PHwiki organized this Journal DRS 2 Orientation Harvard University Library September 30, 2010 DRS = Digital Repository Service Agenda DRS 2 Concepts (Andrea) New metadata (Robin) Overall schedule (Andrea) BatchBuilder 2 demo (Vitaly) Testing instructions (Vitaly) Questions & comments DRS 2 Concepts

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DRS 1: everything’s a file METS XML file METS XML file METS XML file TIFF image file TIFF image file TIFF image file JPEG image file JP2 image file JP2 image file JPEG image file JP2 image file JP2 image file Text file Text file Text file ZIP file PDF document file File level is not a meaningful level as long as curatorial uses Which DRS files make up my digital manuscript HOLLIS number 009412949 http://nrs.harvard.edu/urn-3:FHCL.HOUGH:1116980 http://pds.lib.harvard.edu/pds/view/6522882 METS XML file METS XML file METS XML file TIFF image file TIFF image file TIFF image file JPEG image file JP2 image file JP2 image file JPEG image file JP2 image file JP2 image file Text file Text file Text file ZIP file PDF document file

METS XML file METS XML file METS XML file TIFF image file TIFF image file TIFF image file JPEG image file JP2 image file JP2 image file JPEG image file JP2 image file JP2 image file Text file Text file Text file ZIP file PDF document file DRS file ID = 6522882 METS XML file METS XML file METS XML file TIFF image file TIFF image file TIFF image file JPEG image file JP2 image file JP2 image file JPEG image file JP2 image file JP2 image file Text file Text file Text file ZIP file PDF document file METS XML file METS XML file METS XML file TIFF image file TIFF image file TIFF image file JPEG image file JP2 image file JP2 image file JPEG image file JP2 image file JP2 image file Text file Text file Text file ZIP file PDF document file

METS XML file TIFF image file TIFF image file JP2 image file JP2 image file METS XML file TIFF image file TIFF image file JP2 image file JP2 image file page 1 page 2 Objects Aggregations of files that together represent a coherent unit of content All the files that make up a single digital book All the master in addition to use copies representing a single photograph Useful as long as management, reporting in addition to searching “How many PDS document objects do I have in the DRS”

Objects New hook as long as metadata Administrative categories (projects, exhibits, collections, etc.) Descriptive metadata, catalog records Object Hollis 009412949 Digital Medieval Manuscripts at Houghton Library Moralia in Job: manuscript Content models Object types Define valid file as long as mats in addition to relationships known delivery in addition to rendering applications associated assessments in addition to preservation plans En as long as ce con as long as mity – we know what we have in the DRS in addition to can monitor & preserve it DRS 2.1 content models – deposit & delivery Still image Image objects, delivered by IDS PDS document Page-turned documents, delivered by PDS Document Initially just PDF files, delivered by FDS Opaque Files in any as long as mat Text Text, XML, etc. delivered by FDS

Still image CM – print TIFF archival master Several derivative JPEG deliverables Derivative JPEG thumbnail Pope Joan Series: Illustration from Philippus Bergomensis, De Claribus Mulieribus. Ferrara, Rossi Harvard Art Museum/Fogg Museum, Gift of Philip Hofer PDS document CM – book Zoeller, Karl William. Merch in addition to ising the plumbing business. Chicago : Domestic Engineering Co., c1921. Baker Library. JP2 archival master / deliverable images per page Plain text files per page Document CM – report Intergovernmental Panel on Climate Change (IPCC) WG1 Fourth Assessment Report, Environmental Science in addition to Public Policy Archives Harvard College Library PDF deliverable

Opaque content model The contents of Judge Tragers’ hard drive, Harvard Law School Library Wordperfect files, Text files, PDF documents, etc. Plus documentation about the collection Text CM – methodology Plain text file Processing methodology as long as Intergovernmental Panel on Climate Change (IPCC) documents, HCL Imaging Services. New metadata

Object descriptors A METS metadata file per object on the file system alongside content files Descriptive, administrative, preservation, technical in addition to structural metadata Describes the object, all its files in addition to bitstreams in addition to related significant events Gives the metadata the same secure storage as the content files Self-contained, portable objects The move to st in addition to ards PREMIS – as long as key preservation metadata, including Events that affect content Relationships that are not implicit MODS – as long as descriptive metadata Form-specific schemas as long as technical metadata, including MIX as long as images textMD as long as text DocumentMD as long as PDF in addition to other document as long as mats More to come Supplemented by local administrative schemas New local metadata adminCategory adminFlag captions, phase 2 Behavior, default, unit name, description as long as objects content model identification DRS URI isFirstGenerationInDrs Closest to original capture isPreferredDeliverableSource

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Changes to local metadata OwnerSuppliedName Required as long as objects, optional as long as files Role Repeatable as long as both objects in addition to files Processing Instead of “purpose”; repeatable Quality Optional Methodology Now as long as objects in addition to files of all types Tracking changes DRS 2 will keep track of Changes that affect content Troubleshooting content errors Key administrative metadata Three types: Events Administrative flags “Versioned” metadata elements Not tracking every metadata change Events Object creation deletion /recovery from deletion ingest merge File addition deletion / recovery from deletion integrity check confirmation replacement virus check confirmation

Other tracking Metadata where changes will be tracked: Access Flag Administrative Flag Billing Code Owner Code What’s inside a descriptor Descriptive Metadata MODS Administrative Metadata For the object: PREMIS (including relationships) DRS administrative metadata For each file: PREMIS (including relationships) Format-specific metadata DRS administrative metadata PREMIS Events Inventory of Files Structure Map

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