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Metadata for Digital Content. Jane Mandelbaum, Ann Della Porta, Rebecca Guenther. Charge. Recommend one common set of metadata elements for all digital content Analyze existing descriptive metadata Recommend methods for creation of metadata for existing digital objects that lack metadata.

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metadata for digital content

Metadata for Digital Content

Jane Mandelbaum, Ann Della Porta,

Rebecca Guenther

charge
Charge
  • Recommend one common set of metadata elements for all digital content
  • Analyze existing descriptive metadata
  • Recommend methods for creation of metadata for existing digital objects that lack metadata
why do we need this
Why do we need this?
  • Provide access to LC’s digital content which may be stored in separate environments
  • Share the content and the metadata
  • Provide additional services to users, e.g., Web 2.0 functions
  • Improve LC’s Metasearch service
building on existing foundation
Building on Existing Foundation
  • Metadata schemas from various digital projects (e.g. American Memory, Performing Arts Encyclopedia, Web capture)
  • Search requirements and use cases are to be supported
  • WDL search and discovery vision – metadata elements and presentation options
  • Relationship (if any) to ILS records needs to be understood
use cases
Use Cases
  • Concrete examples of “what we could do if we have better metadata”
  • Examples:
  • Navigation by place, date, type of item, topic
  • Reuse for different audiences, in different combinations and delivery mechanisms
  • Better access to the content in web pages
doing something useful next steps
Doing Something Useful: Next Steps
  • Search and Discovery
    • Improve Data for Faceted Searching
    • Add More Content for Federated Searching
    • Migrate Towards More Access Points for External Search Engines
doing something useful next steps1
Doing Something Useful: Next Steps
  • Targeted Improvements
    • Create standardized metadata for videos for internal use and external providers
    • More options for presentation and delivery
    • Access to more content in LC web pages
how are we doing it
How are we doing it?
  • Establish a master set of metadata elements commonly used among digital projects
  • Annotate the list with preferred practices for metadata content
  • Create metadata profiles for each initiative, detailing which elements are used and how they are encoded
  • Identify where metadata remediation is needed and attempt to improve existing records
lc metadata profiles
LC metadata profiles
  • American Memory
  • Performing Arts Encyclopedia
  • LC Web pages
  • LC Web Archives
  • National Digital Newspaper Program
  • World Digital Library
  • LC Webcasts
  • LC Exhibits
example lc web archives
Title

Alternative Title

Abstract

Name (Personal or Corporate)

Date captured

Start date

End date

Language

Resource type

Genre (“Web site”)

Subject (Topic, geographic, temporal, name, title)

Original site URL

MIME type/digital origin

Collection title/URL

LC repository

Electronic location (URI)

Identifier

Rights

Record information

Example: LC Web Archives

LCWA Profile

future goals
Future goals
  • Use the metadata profile for newly described digital content so that there is consistency
  • Use common rules for metadata content
  • Remediate existing metadata where possible
  • Establish a common search interface to provide seamless access to LC digital content
metadata remediation geographic
Metadata remediation: geographic
  • Best practices
    • Supply hierarchical form
    • Prefer controlled form
  • Remediating existing data
    • Translate coded form into controlled textual form for presentation
    • Translate uncontrolled form into controlled form
    • Translate into hierarchical form (e.g. Country—State—City)
    • Extract geographic subdivisions from subject strings and make searchable
    • Extract state information
questions
Questions?
  • Thank you!
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