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Janetvilay Dublin Core study

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Examined metadata quality, accuratecy, and interoperability of 3 university library digital collections

Examined metadata quality, accuratecy, and interoperability of 3 university library digital collections

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  • 1. Study of Dublin Core Boutsaba Janetvilay Drexel U. - INFO 662 Final Project
  • 2. Introduction
    • Studied three university library digital collections
    • Examined their usage of Dublin Core elements (completeness & accuracy)
    • Found factors of flexibility and interoperability problem of collections
    • Discovered errors and inconsistency in all three collections
  • 3. Research questions
    • What DC elements are most commonly used?
    • How completely and accurately is Dublin Core used in these three collections?
    • How flexible is DC with small local collection?
    • Local elements and interoperability?
  • 4. Methods
    • Three digital collections randomly selected from DC registry
    • Selected for their easy to use and university collection criteria
    • Examined their use of standards, controlled vocabulary, quality (completeness, accuracy, and consistency
  • 5. Three digital library collections
    • California Underground Railroad of Sacramento State University Digital Archive http://digital.lib.csus.edu/curr/
    • University of Washington Digital Collections http://content.lib.washington.edu/
    • University of Illinois at Urbana-Champaign – University Library http://images.library.illinois.edu/projects/tdc/
  • 6. California Underground Railroad of SSU Digital Archive Item
  • 7. CURR of SSU Digital Archive
    • Found most incomplete, inaccurate DC metadata used in collection
    • Has 9 DC elements and 2 local notes
    • In consistency with term used of subject, location names, format, and type
    • Interoperability indicated major problem
  • 8. University of Washington Digital Collections Item
  • 9. University of Washington Digital Collections
    • Extensive use of local notes
    • Indication of complete and consistent
    • DC guides and standards statement is provided on the website
    • Used Controlled Vocabulary (LCTGM & LCSH)
  • 10. University of Illinois at Urbana-Champaign Item
  • 11. University of Illinois at Urbana-Champaign
    • Provided information for instructional use for k-12 teacher
    • Heavily emphasize on rights and coverage of DC elements
    • 10 out of 15 DC elements
    • Most complete and consistent
  • 12. Dublin Core Elements expected to find in collections
    • Title
    • Creator
    • Subject
    • Description
    • Publisher
    • Contributor
    • Date
    • Type
    • Format
    • Identifier
    • Source
    • Language
    • Relation
    • Coverage
    • Rights
  • 13. Relevant Elements to DC Local/Social Terms Used as compare to DC or Crosswalk Map DC   CURR UWDC UIUC Title   Title Title Title Creator     Photographer Author/Creator Subject   Keyword Subject (LCSH & LCTGM) Subject/Keywords Description     Physical Description Description Publisher       Collection Publisher Contributor     Contributor   Date   Date Date?Image Date   Type   Resource type Image type/Object Type   Format   Digital Format     Identifier   CURR Identifier Order Number/Image No. Resource Identifier Source   Source   Source Language   Language     Relation       Further Information Coverage     Region/Location Depicted Coverage/Year Rights     Rights Rights Management Statement Local Additions   Notes Notes Interpretation     Digital file Size Digital Collection Lesson Plans/themes Order Information Learning Standards Repository Collection Content dm file name Repository Collection Guide Digital Reproduction Information Contact Information
  • 14. Interoperability
    • Homegrown metadata as found in “local additions” as part of each digital collection
    • Hard to retrieve and harvest without consistent information
    • Created silo collection if not able to network with other system (CURR)
  • 15. Improving use of DC Standards
    • Find ways to weave in local notes to DC elements to avoid existing in silo
    • Better understanding of the use of Dublin Core schema and its elements
    • Create a system to follow and stick to completing accurate data entry
  • 16. Usage of DC elements   California Underground Railroad of Sacramento State University University of Washington Digital Collections University of Illinois at Urbana-Champaign Title   22 22  22  Creator 1  15  21  Subject 14  22  21  Description   21  20  Publisher   9  21  Contributor   2    Date 21  14    Type 21  13    Format 19  20    Identifier 21  19  19  Source 22  3 17  Language 22  8    Relation   21  21  Coverage 3  15  22  Rights   2  22 
  • 17. Findings
    • Total of 66 records examined 22 from each library
    • Three most commonly used DC elements are title (66), Identifier (59), Subject (57)
    • Least used are contributor (2) and rights (24)
  • 18. Results
    • Need to further education and training on using DC schema
    • Need to improve and implement metadata tools that would catch all errors of incompleteness, inconsistency and inaccuracy record
    • DC usage is very much in developmental stage by end user (cataloger)

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