ead3 progress report
DESCRIPTION
EAD3 Progress Report. EAD Roundtable, SAA 2014, 2014-08-13 Mike Rush, TS-EAD Co-Chair. Support. Gladys Krieble Delmas Foundation National Endowment for the Humanities Nationaal Archief of the Netherlands Beinecke Rare Book and Manuscript Library, Yale University - PowerPoint PPT PresentationTRANSCRIPT
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EAD Roundtable, SAA 2014, 2014-08-13
Mike Rush, TS-EAD Co-Chair
EAD3 PROGRESS REPORT
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SUPPORT• Gladys Krieble Delmas Foundation
• National Endowment for the Humanities
• Nationaal Archief of the Netherlands
• Beinecke Rare Book and Manuscript Library, Yale University
• Institute for Advanced Technology in the Humanities (IATH), University of Virginia
• OCLC Research
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TIMELINE TO DATEComments• October 2010 to
February 2011
Revision Forum• SAA 2011
TS-EAD Working Meeting• March 2012
Schema Dev. Team Meeting• October 2012
Alpha Release• February 2013
Tag Library Editorial Team Meeting• February 2013
Beta Release• August 2013
Gamma Release• February 2014
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REMAINING WORKPLAN
Finalize deprecation
Finalize schema design
Schema testing• Validation• Translation
Finalize tag libraryMigration tools
Submit to Standards Committee
Submit to SAA Council for adoption
Publish• Winter 2015
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BETA RELEASE
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SUMMARY OF BETA RELEASE FEATURES• EAD Revision Highlights
• Six summaries of changes to EAD as of the Beta release
• Posted to the EAD List, August – September 2013
• Search for “EAD Revision Highlights” at http://listserv.loc.gov/cgi-bin/wa?S1=ead
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BETA / GAMMA FEEDBACK
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BETA / GAMMA FEEDBACK• Reinstate various elements
• Tweak mixed content options
• Modify enuerated value lists in <control>
• Address migration concerns for specific elements and attributes
• Modifications to <physdescstructured>
• Additional changes to support multi-language description
• Bugs
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POST BETA / GAMMA CHANGES
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RELATIONS COMPROMISE• <relations>
• Included in core EAD3 schema, but…
• Considered an “experimental” element
• What is an “experimental” element?
• TS-EAD could not reach consensus on <relations>
• Concerns about duplication of <controlaccess>, complexity of model, etc.
• Need to see if and how it will be used
• Should you use <relations> if it’s experimental?
• YES!
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RELATIONS COMPROMISE• Tweaks to <controlaccess> elements (persname, subject, function, etc.) to better support
Linked Data applications
• Changed @role to @relator, applied to all access point elements
• Eliminates confusion with xlink-derived @role used on linking elements
• @source, @rules, and @identifier added to <part>, which will allow for post-coordinated subject headings
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DAOGRP / DAOSET• Strong call to restore <daogrp> after Beta release
• Strong desire to eliminate extended links
• Solution: Create <daoset>
• Wrapper element for two or more <dao>, with optional <descriptivenote>
• Lacks full extended link functionality, but will suffice for most identified uses of <daogrp>
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DAO TWEAKS• Replaced <daodesc> with <descriptivenote> to remove all block children except <p>
• Added @coverage as optional attribute to <dao>
• Possible values: whole | part
• Indicates if <dao> is the whole or a part of the unit being described
• Added @identifier for non-resolving URIs
• Added @localtype, @label, and @encodinganalog for consistency with other <did> children
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<PHYSDESCSTRUCTURED> TWEAKS• Added @approximate to <quantity>
• Possible values: yes | no
• The order of <dimensions> and <physfacet> is no longer enforced by the schema
• <genreform> (and other access terms) restored to <physfacet>
• Removed @unit from <physfacet>
• Removed @rules from <physdesc> and <physdescstructured>
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<GEOGRAPHICCOORDINATES>• New child of <geogname>
• Optional and repeatable
• @coordinatesystem indicates what coordinate system is used
• Accepts text only
• As generic and flexible a solution as possible for what can be very complicated data
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SMALL CHANGES• Added <foreign> for inline tagging of language and script.
• Added to all mixed content nodes.
• Tweaked various mixed content models
• <title> restored to <abstract>
• Made elements repeatable to support multi-language description
• control/maintenanceagency/agencyname
• control/maintenancehistsory/maintenanceevent/eventdescription
• control/sources/source/sourceentry
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SMALL CHANGES• Moved ennumerated element values to @value attribute
• <agenttype>
• <eventtype>
• <maintenancestatus>
• <publicationstatus>
• Added “published” as a value for <publicationstatus>
• Added “deletedmerged” as a value for <maintenancestatus>
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CHANGES NOT MADE• <descgrp> not restored
• <unitdate> not restored as a child of <unittitle>
• <quantity> remains a required child of <physdescstructured>
• <physdescstructured> not modified for born digital extents
• <genreform> not restored to <physdesc>
• <author> not given the same content model as <persname>
• <bibref> not added as a child of <source>
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DELIVERABLES
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DELIVERABLES• Revised Schema
• Relax NG, W3C, and DTD versions
• Regular and undeprecated
• DTD will not support full tag set
• Tag Library
• Preface + Explanation of changes
• Element definitions
• Attribute definitions
• Examples
• Crosswalks
• Migration style sheets
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DELIVERABLES• External validation tools (Schematron)
• Validate ISO code lists, etc.
• Enforcing element or attribute co-occurrence
• Establishing subset profiles
• Encoding manipulation tools
• Stylesheet to change between numbered and unnumbered components
• Updated EAD Cookbook XSLT style sheets
• EAD3 to HTML
• EAD3 to PDF
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GOVERNANCE
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GOVERNANCE• Single committee for EAD, EAC-CPF, and EAC-F
• Combine TS-EAD, TS-EAC, Schema Dev. Team
• Technical Subcommittee for Encoded Archival Standards?
• Continual revision cycle
• Accept comments via GitHub on an ongoing basis
• Release bug fixes and backwards compatible changes as needed
• Release new full versions when significant non-backwards compatible changes accrue
• Convergence of EAD and EAC
• Integration of separate schemas into an interrelated suite of schemas that repurpose elements
• Integration of documentation into a single site
• Integration of URIs for elements with URIs for documentation
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HOW CAN YOU HELP?
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HOW CAN YOU HELP?
• Encode some EAD3 examples!
• Needed for testing the schemas and making sure we didn’t miss anything
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MORE INFORMATION
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MORE INFORMATION (VIA THE WEB!)• TS-EAD Web Site
• http://www2.archivists.org/groups/technical-subcommittee-on-encoded-archival-description-ead/ead-revision
• SAA Standards Portal
• http://www2.archivists.org/groups/technical-subcommittee-on-encoded-archival-description-ead/encoded-archival-description-ead
• Schema Development Team Github Repository
• http://github.com/SAA-SDT/EAD-Revision
• Library of Congress EAD List and EAD Roundtable List
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MORE INFORMATION (VIA POWERPOINT!)• SAA Webinar “EAD3: What’s new?”
• October 23, 2014
• http://www2.archivists.org/
• DC 2014: Fonds and Bonds: Archival Tools, Metadata, Identity
• October 8, 2014, The Harry Ransom Center, UT Austin
• http://dcevents.dublincore.org/IntConf/index/pages/view/2014-archives