Community:Collections and Metadata/LRT Wiki Version

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Learning Resource Type Vocabulary Clusters (Draft)


As of 2007 March 01 this page is out of date and NSDL vocabulary developement has been assigned to a newly reformed NSDL Metadata Working Group. Ths new NSDL Metadata Working Group is developing Best Practices for the NSDL_DC metadata framework including vocabulary terms, term definitions, field definitions, cataloging best practices and XML examples. The web page for this group is currently at:

  • Posted 2/16/05, Judy Ridgway

The ENC DL Content Specialists have been continuing to work on the Learning Resource Type Vocabulary. Our group would greatly like your feedback for two things.

1. We have posted changes to the definitions of the terms in the vocabulary and continue to add examples. Any comments you have about the definitions and terms would be greatly welcomed. Please send your comments to the Metadata Management Listserv or to the wiki (Community:Collections and Metadata/LRT_Wiki_Version ).

2. Following Diane Hillmann's recommendation, the team has put together several clusters of Learning Resource Types. The purpose of this clustering is to help identify redundant, narrower, and broader terms. The idea is that once similar terms are group together, they will be more manageable than a huge, sprawling list. We are inviting community comments about the clusters through March 19, 2005. Again, please send your comments to the Metadata Management Listserv or to the wiki (Community:Collections and Metadata/LRT_Wiki_Version ).

Some questions to help guide your review and comments are the following:

  • Do the clusters make sense?
  • Are the terms within the clusters related to one another?
  • Are there better ways to cluster the terms?
        • Should terms be removed from the clusters?
        • Should the clusters be broken into smaller parts?
        • Should clusters be fused together?

The definitions of the terms can be found lower on this page.

Strand A

  • Artifact
  • Illustration
  • Map
  • Photograph
  • Remotely sensed imagery

Strand B

  • Music
  • Oral history
  • Radio broadcast
  • Video
  • Webcast

Strand C

  • Forum
  • Listserv
  • Message board
  • Weblog

Strand D

  • Annotations
  • Catalog record
  • Clearinghouse
  • Portal
  • Search engine

Strand E

  • Abstract
  • Article
  • Ask-an-expert
  • Career information
  • Nonfiction book
  • Periodical
  • Policy
  • Proceedings
  • Reference
  • Report
  • Standards
  • Thesis

Strand F

  • Demonstration
  • Simulation
  • Tutorial
  • Virtual field trip

Strand G

  • Activity
  • Assessment
  • Case study
  • Course
  • Curriculum
  • Instructor guide
  • Lecture
  • Presentation
  • Problem set
  • Project
  • Study guide
  • Syllabus
  • Textbook

Orphan terms

  • Data set
  • Fiction book
  • Form
  • Proposal

Learning Resource Type Vocabulary (Draft)

  • Modified 12/16/04, Diane Hillmann
  • Modified 2/11/05, Judy Ridgway

The Learning Resource Type identifies what the resource is while the subject identifiers what the resource is about.

Best Practice If something is marked as a subset, the thing that it is a subset of is always included as an LRT with the subset term.


  • Definition: A condensed version of a larger piece of work outlining the major points and conclusions
  • Source of term: DLESE
  • UF: Summary
  • [Note that DCMI has an element refinement called "Abstract" for which it uses the definition: "A summary of the content of the resource."

Annotations (Shouldn't this be singular? SJC)

  • Definition:
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