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Janetvilay Dublin Core study
 

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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    Janetvilay Dublin Core study Janetvilay Dublin Core study Presentation Transcript

    • Study of Dublin Core Boutsaba Janetvilay Drexel U. - INFO 662 Final Project
    • 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
    • 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?
    • 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
    • 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/
    • California Underground Railroad of SSU Digital Archive Item
    • 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
    • University of Washington Digital Collections Item
    • 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)
    • University of Illinois at Urbana-Champaign Item
    • 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
    • Dublin Core Elements expected to find in collections
      • Title
      • Creator
      • Subject
      • Description
      • Publisher
      • Contributor
      • Date
      • Type
      • Format
      • Identifier
      • Source
      • Language
      • Relation
      • Coverage
      • Rights
    • 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
    • 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)
    • 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
    • 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 
    • 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)
    • 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)