The Dynamics of Sharing: An Introduction to Shareable Metadata and Interoperability

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    The Dynamics of Sharing: An Introduction to Shareable Metadata and Interoperability - Presentation Transcript

    1. The Dynamics of Sharing Introduction to Shareable Metadata and Interoperability Sarah L. Shreeves University of Illinois at Urbana-Champaign August 31, 2007 The Dynamics in the Aggregate: Shareable Metadata and Next-Generation Access Systems SAA 2007 – Chicago, Il
    2. Assumptions
    3. Why Share?
      • Sharing benefits users
        • One-stop searching (maybe)
        • Ability to create customized searches of specific domains
        • Brings together distributed collections
        • Ability for USERS to create their own mash-ups of metadata from different sources
      • Sharing benefits us
        • Increases exposure of collections
        • Broadens user base
        • Potentially adds collaboration opportunities
    4. Why Share?
      • Fundamentally we can no longer assume that users will come through the front door, so sharing metadata gets us “in the flow”.
    5. Keys to Shareability or Interoperability
      • Communication protocol (Z39.50, OAI PMH, RSS, etc.)
      • Organizational commitment
      • Standards
      • Standards
      • And more Standards
    6. Sharing metadata: Federated search
      • The distributed databases are searched directly.
      Mill? For Example: Z39.50, SRU <title>My resource</title> <date>04 <title>My resource</title> <date>04 <title>My resource</title> <date>04
    7. Sharing metadata: Metadata aggregation
      • The user searches a pre-aggregated database or brings together metadata from diverse sources.
      Mill? For Example: Search engines, union catalogs, OAI PMH, RSS, Atom <title>My resource</title> <date>04
    8. OAI List Records Request
    9. Metadata challenge
      • “the ability to perform a search over diverse sets of metadata records and obtain meaningful results .”
      • – Priscilla Caplan
      • Metadata Fundamentals for All Librarians
    10. Example
      • Title: China Association
      • Author/Creator: China Association
      • Publisher: School of Oriental and African Studies
      • Year: 2002-04-23
      • Resource Type: text
      • Resource Format: text/html
      • Description: Papers, 1889-1969, of the China Association, including minutes and committee papers of the General Committee and Executive Committee; correspondence with the Foreign Office, Board of Trade, Sino-British Trade Council, Tientsin and Hong Kong Chambers of Commerce, Hong Kong Association and the British Consulate in Shanghai; annual reports (1889-1962); and separate items including the minutes and papers of the China Association's School of Practical Chinese Endowment Fund (1908-1955). Also includes committee papers and minutes of the British Chambers of Commerce in Hankow and Tientsin, the Hong Kong Association, the Sino-British Trade Council, and the British Residents' Association in Shanghai. Also includes photographs of banquets (1896-1906), and albums of newspaper cuttings on China (1940-1947) and Japan (1942-1949).
      • Subject: Asian languages; Chinese; Foreign relations; International relations; International trade; Language instruction; Newspaper press; Photographs; Press; Press cuttings; Second language instruction; South and Southeast Asian languages; Trade; Trade policy; Visual materials   
      • URL: http://www.archives.uk/cats/19/65.htm
      • Rights: Unrestricted. Copyright held by the China Association: Swire House, 59 Buckingham Gate, London SW1E 6AJ.
    11.  
    12. Examples
      • title: (Woman Holding a Pie) LNG42122.5
      • subject: Berkeley; male; outdoors; yard; stair
      • subject: Dorothea Lange Collection
      • subject: The War Years (1942-1944)
      • subject: Office of War Information (OWI)
      • subject: Woman Holding a Pie
      • publisher: Museum of [state]
      • date: 1944
      • type: image
      • identifier: http://www.orgname.org/idnumber
      • relation: http://orgname.org/findaid/idnumber
      • relation: id:/13030/tf9779p783
      • relation: http://www.orgname.org/
      • relation: http://findaid.org.org/findaid/...
      • relation: http://www.orgname.edu/project/
      Dublin Core record harvested via OAI
    13.  
    14. Metadata as a View
      • Metadata is not monolithic
      • Metadata should be a view projected from a single information object.
      • Create multiple views appropriate for different venues
      • Affects:
        • Granularity of Description
        • Choice of vocabularies
        • Choice of formats
    15. What is Shareable Metadata?
      • Is quality metadata
      • Promotes search interoperability
      • Is human understandable outside of its local context
      • Is useful outside of its local context
      • Preferably is machine processable
    16. Shareable Metadata also…
      • Provides enough contextual information
      • Is consistent across a collection
      • Is coherent
      • Is true to its content but also its audience
      • Conforms to standards
    17. Safe Assumptions
      • Users often discover material through shared records, not through your front door
      • Users don’t know about your collection or won’t remember it.
      • Shared records lead users to local environment where full context is available
      • Because users enter through “deep” links, they may bypass introductory information that provides the larger context for a collection.
    18. Contact Information Sarah Shreeves Coordinator, IDEALS University of Illinois Library at Urbana-Champaign Email: [email_address] Phone: 217-244-3877 Attributions: Slide 1 image: ALA Techsource ( http://flickr.com/photos/alatechsourceblog/ ) under a CC Attribution-ShareAlike license Slide 2 image: Merrick Brown ( http://flickr.com/photos/merrickb/ ) under a CC Attribution-NonCommercial-ShareAlike license Slide 4 image: Bill Liao ( http://flickr.com/photos/liao/archives/date-posted/2007/01/13/ ) under a CC Attribution-NonCommercial-ShareAlike license This work is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 3.0 License. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/3.0/us/ or send a letter to Creative Commons, 171 Second Street, Suite 300, San Francisco, California, 94105, USA.

    + Sarah ShreevesSarah Shreeves, 2 years ago

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