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Use & Access

Use & Access. 26 March 2003. Use. “Proof of Concept” Model for General Libraries & IS faculty Test bed for DSpace web-archiving Functioning digital repository “Series of managed activities” [Russell] Long-term preservation Research. Components. Community – Portal to repository

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Use & Access

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  1. Use & Access 26 March 2003

  2. Use • “Proof of Concept” • Model for General Libraries & IS faculty • Test bed for DSpace web-archiving • Functioning digital repository • “Series of managed activities” [Russell] • Long-term preservation • Research

  3. Components • Community – • Portal to repository • Responsible for policies • Collection • Web site • Faculty materials • Commitment • Trusted repository

  4. Users • Producer • Creator, producer, publisher, submitter • Administrator • Management functions • Core functions • Review submissions • Edit –links, code, formats, metadata • Consumer • Global • Registered

  5. Producer • License • Intellectual property rights • Formal/legal transfer to the repository • Registration • Submission “permit” • Submission agreement • Production and delivery plan • Specifies obligations • Institution v. commercial

  6. Level of service Data model Content Format Time span Submission session Mechanism Crawl? Frequency Metadata Authorization Policy Workflow Edit capabilities Access restrictions Preservation Terms/conditions Quality control Submission Agreement

  7. Administrator • Maintenance functions • Users, groups, communities, collections, registries • Configurable home pages • Technical support • Updates • Back-up and disaster recovery • Customer service • Helpdesk • Training • Preservation functions • Refresh • Transform

  8. Consumer • Global • Restriction notification • Registered • User name and password • Use UT site authenticator? • X.509 certificate • E-mail notification

  9. Access • DIP (Dissemination Information Package) • Discovery: Community/Collection • Result set • Item Overview • Bitstreams • Metadata • Collection information (context) • Authenticate • MD5 checksum

  10. Access • DIP Formats • On-line • Snapshot of web pages • Report • Alert/Order agreement • ad hoc • trigger

  11. Dependencies • Web browser • Netscape Navigator™ v4.0 + • Internet Explorer™ v5.0 + • User interface • DSpace, My DSpace • OAI metadata harvester • CNRI Handle Resolver

  12. Discovery • Tools • Metadata-based result set • Search (must include “time” component) • Browse • Persistent identifier • CNRI handle • Local identifier (PANDORA, IA, Cedars) • MD5 checksum (NEDLIB)

  13. Fundamentals • Bitstream format registry • Preservation support • Supported, known, unsupported • MIME type • Description • Metadata registry • Dublin Core with qualifiers http://dspace.org/technology/metadata.html

  14. Metadata • DC – What’s missing? • Persistent id • MD5 checksum • Alternate schemes • Crosswalks: MARC to DC • Stored as bitstream (part of item overview) • Not available for discovery • History “snapshots” with unique id’s • Event • State • Action

  15. “Reasonable” Access • Permanent viewing • Preservation strategies • Content • Form • Access to old web browsers • Registries • Internet Archive • Access to obsolete bitstreams • Registries

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