Workshop for OAI Providers Grainger Engineering Library Information Center Illinois OAI Metadata Har - PowerPoint PPT Presentation

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Workshop for OAI Providers Grainger Engineering Library Information Center Illinois OAI Metadata Har

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Workshop for OAI Providers. Grainger Engineering Library Information Center ... http://oai.grainger.uiuc.edu/Events/Workshop01Handout/ 19 September 2001 ... – PowerPoint PPT presentation

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Title: Workshop for OAI Providers Grainger Engineering Library Information Center Illinois OAI Metadata Har


1
Workshop for OAI ProvidersGrainger Engineering
Library Information CenterIllinois OAI
MetadataHarvesting Service
  • Timothy W. Cole (t-cole3_at_uiuc.edu)
  • University of Illinois at Urbana-Champaign
  • 19 September 2001
  • http//oai.grainger.uiuc.edu/Events/Workshop01Hand
    out/

2
Illinois Harvesting Service Objectives
  • Construct Spider for Harvesting OAI Metadata
  • Demonstrate Viability of OAI Harvesting Service
  • Investigate Advanced Search Interface
    Value-Added Indexing Features in Context of OAI
    Harvesting
  • Investigate Effective Methods of Presenting
    Harvested Metadata Records and Linkages
  • Identify Critical Concerns Issues, Especially
    Those Relevant to Cultural Heritage Collections
  • Define Where "Best Practice" Covenants Needed
  • Document Usage Patterns Benefits of OAI
    Metadata Harvesting Service

3
Metadata Harvesting
  • Content Issues
  • Manuscript Archives Cultural Heritage Resources
  • Reveal Hidden Under-Represented Scholarly
    Resources
  • Demonstrate Potential Benefits of Aggregation
  • Manage Duplication, Links Between Records
  • Metadata Issues
  • Effective Cross-Indexing of Different Metadata
    Schemas
  • Extracting item-level information from EAD,
    TEI,
  • Harvesting Service Tools
  • Deliver Flexible, Easy to Use OAI Harvesting Tool

4
Portal Development
  • User Interface Design IR Issues (e.g., Ranking)
  • Address Differences in Local Metadata Creation
    Mapping Practices
  • Normalizing for Brief vs. Verbose Metadata
    Records
  • DC Practices Creator vs. Contributor, Title vs.
    Description
  • Implementation of Other Schema (e.g., EAD)
  • Subject Indexing Controlled Vocabulary Issues
  • Vocabulary Switching, Normalization, Automated
    Indexing
  • Deliver Working, Prototypical OAI Metadata Portal

5
Evaluation Sustainability
  • Sustainability / Costs of OAI Metadata Harvesting
  • Assess Leverage of Metadata Provider
  • Effect of Refresh Rate, Harvesting Strategy,
  • Benefits vs. Costs of Value-Added Services
  • Relationships Between Providers Harvesters
  • Models for Sharing Work, Benefits
  • Evaluation Tools
  • Usability Testing Focus Group Sessions
  • Transaction Log Analyses
  • Feedback from Metadata Providers

6
Preliminary Harvesting Tests
  • Initial Harvests
  • American Memory (LC) 51,000 records
  • HTI (U of Michigan) 10,000 records (selective)
  • CIMI Demo Repository 100,000 records
  • Others
  • Indexes Built Using DLXS / XPAT
  • http//oai.grainger.uiuc.edu/dlxs/search.htm
  • Routine Harvesting by End of Calendar 2001
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