lifecycle metadata for digital objects november 22, 2004 usage and rights management metadata
TRANSCRIPT
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Lifecycle Metadata for Digital Objects
November 22, 2004Usage and Rights Management Metadata
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What is Usage Metadata?
Internal users (with respect to the creator)
External users (with respect to the creator)
Internal users (with respect to the repository)
External users (with respect to the repository)
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Creator Usage The creator’s actual use of the object
– Version control
The creator’s colleagues’ use of the object– Object function– Object used for reference, template
The creator’s customers’ use of the object– Object function: mediates relationship– Object function: profit for creator
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Repository Usage
Management usage– Object maintenance and preservation– Object analysis
Designated user community– Object viewing– Object acquisition
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Why and whether track usage I (external) Observe what individuals use
– Library/archives ethics– The law (FBI access—but thwarted by mere IP
addresses in logs) Serve users better
– Who• Designated user community• Everyone
– How• Give ‘em what they want• Adjustments to acquisition policies, schedules• Adjustments to preservation policies, schedules
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Why and whether II (internal) Manage the repository
– Expansion of capacity– More efficient use of capacity
Protect the repository– Detect malicious intrusions– Detect suspicious activity
Manage dissemination better Manage objects better in the repository
– Monitor user trends for storage management– Monitor user trends for preservation management
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So is this metadata?
Some of this log material is metadata with respect to the objects being managed – Popular objects will get fat– Popularity and selection may define new
classes of “archival bond” and hence new metadata for objects
Some of it is data with respect to the management task
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How to track usage
The system can do it for you– OPACs– Web server logs– Firewall logs
Depends on what the logs track and how deeply they identify individual resources
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What is Rights Management?
Protection of copyright Protection of patent Protection of the integrity of the digital
object (and thereby reputation of the author/creator herself)
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What is being protected?
Object itself (integrity) Uses of the object (access controls)
– Limiting use (protecting rights of the owner)– Enabling use (protecting rights of the user)
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Protection against theft
Threats of the law Fully document with metadata and
protect the metadata Authentication of users and user
requests Watermarking/steganography
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What about integrity of the digital object? Relevant even in public domain E.g. “copyleft” agreement:
http://www.gnu.org/copyleft/gpl.txt See but not change, or change only with
notification
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Rights management metadata for copyright (DMCA)
Identify object Identify creator Identify owner of rights Identify terms and conditions of use Pointers to details Other stuff per Copyright office
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Rights possession metadata for the user Personal identification
– Authentication schemes– Digital signature
Institutional identification– Web of trust– Certification
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Automating everything: elaboration on the OAIS access module User’s authentication authority Database of rights protection
requirements for objects Repository authentication authority
checks one against the other Request is allowed or denied
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And now for something completely different
Student webpages: a few remarks
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Pathfinder/webpage structure Cover page Essay on research subject: history, evaluation Metadata set or specification DTD sample
– Can use sample from other set that uses subject material
XML document (same as above re sample) Annotated bibliography on domain Please separate your work in this way so that
a uniform structure can be imposed on all the pages afterwards
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Subject essay
Definition of the subjectHistoryEvaluation of major relevant metadata
initiative(s)Evaluation of choice of elements as solving
domain problemsShould be fully documented; annotated
bibliography should be a superset of the citations used
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Metadata set
Detailed description of elements Can be tabular or element by element;
both forms can help clarity– element by element to present detailed
description, cite comparative sources– tabular for a summary
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Target objects
Be sure to describe the kind(s) of object to which your metadata pertains:– Text– Webpage– Still image– Database– Etc.
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What is an annotated bibliography? A list of the most important (most frequently
cited) resources on the subject of interest, with full citation
Annotated with a clear description of the contents of the source: You describe it—don’t just get a blurb from somewhere
For our purposes the annotation should include what YOU think about the source and why you found it useful or why it is totally useless