Resource Discovery Landscape

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    Favorites, Groups & Events

    Resource Discovery Landscape - Presentation Transcript

    1. UKOLN is supported by: Resource Discovery Landscape Andy Powell, UKOLN, University of Bath [email_address] Joint JIIE/JCS Meeting 2005, London www.bath.ac.uk a centre of expertise in digital information management www.ukoln.ac.uk
    2. Contents
      • general issues
      • provision
      • fusion
      • presentation
      • shared infrastructure
      Based on main headings in the study…
    3. JISC IE and Google
      • previous paper considered relationships between JISC IE and Google:
        • complimentary rather than alternative approaches
        • develop guidance for exposing content to Google
        • investigate use of Google APIs
        • special treatment for community’s ‘high-quality’ material – c.f. Google Scholar
        • encouraging use of OpenURLs by academic and commercial content providers
      http://www.ukoln.ac.uk/distributed-systems/jisc-ie/arch/ie-google/
    4. General issues
      • service oriented ‘frameworks’
      • maturity of the JISC IE
      • manual vs. automated approaches
      • semantic Web
      • community-driven activities
      • p2p
    5. General issues
      • service oriented approaches
      • maturity of the JISC IE
      • manual vs. automated approaches
      • semantic Web
      • community-driven activities
      • p2p
    6. General issues
      • service oriented approaches
      • maturity of the JISC IE
      • manual vs. automated approaches
      • semantic Web
      • community-driven activities
      • p2p
    7. General issues
      • service oriented approaches
      • maturity of the JISC IE
      • manual vs. automated approaches
      • semantic Web
      • community-driven activities
      • p2p
    8. General issues
      • service oriented approaches
      • maturity of the JISC IE
      • manual vs. automated approaches
      • semantic Web
      • community-driven activities
      • p2p
    9. General issues
      • service oriented approaches
      • maturity of the JISC IE
      • manual vs. automated approaches
      • semantic Web
      • community-driven activities
      • p2p
    10. Provision layer issues
      • the ‘R’ word
      • complex objects
      • metasearch vs. full-text indexing
      • simple search interfaces
      • identifiers
      repository eprint archive learning object repository CMS
    11. Provision layer issues
      • the ‘R’ word
      • complex objects
      • metasearch vs. full-text indexing
      • simple search interfaces
      • identifiers
      eprint (work) PDF manifestation PDF (manifestation) MS-Word (manifestation) PDF (manifestation) MS-Word (manifestation) eprint (work) now: expose separate simple objects (metadata only) future: expose complex objects (metadata and full text)
    12. Provision layer issues
      • the ‘R’ word
      • complex objects
      • metasearch vs. full-text indexing
      • simple search interfaces
      • identifiers
      Do I make my content available for indexing by Google or do I make my metadata available for harvesting using OAI-PMH? Do I support Z39.50 or SRW? What do I do about OpenURLs?
    13. Provision layer issues
      • the ‘R’ word
      • complex objects
      • metasearch vs. full-text indexing
      • simple of search interfaces
      • identifiers
      Z39.50 SRW Google API A9 Opensearch complexity
    14. Provision layer issues
      • the ‘R’ word
      • complex objects
      • metasearch vs. full-text indexing
      • simple search interfaces
      • identifiers
      What did this identifier used to identify? Has this resource already been assigned an identifier? How do I resolve this identifier?
    15. Fusion layer issues
      • union catalogues and Google
      • indexing and data mining
      • hiding a complex provision layer
      • performance measurement
    16. Fusion layer issues
      • union catalogues and Google
      • indexing and data mining
      • hiding a complex provision layer
      • performance measurement
    17. Fusion layer issues
      • union catalogues and Google
      • indexing and data mining
      • hiding a complex provision layer
      • performance measurement
      fusion layer ‘federator’ repository repository repository repository repository portal portal portal portal portal heterogeneous - metadata formats, content formats, identifiers, packaging standards homogeneous - metadata formats, content formats, identifiers, packaging standards
    18. Fusion layer issues
      • union catalogues and Google
      • indexing and data mining
      • hiding a complex provision layer
      • performance measurement
    19. Presentation layer issues
      • the ‘P’ word
      • the other ‘P’ word
      • OpenURL ‘link servers’
        • making openurl.ac.uk work globally
        • making OpenURLs work as URIs
      Why do I need a portal when I’ve got Firefox, Google and my favourite RSS channel reader installed on my desktop?
    20. Presentation layer issues
      • the ‘P’ word
      • the other ‘P’ word
      • OpenURL ‘link servers’
        • making openurl.ac.uk work globally
        • making OpenURLs work as URIs
      > portlets WSRP JSR 168
    21. Presentation layer issues
      • the ‘P’ word
      • the other ‘P’ word
      • OpenURL ‘link servers’
        • making openurl.ac.uk work globally
        • making OpenURLs work as URIs
      http://sfx4.exlibrisgroup.com:9003/bath?sid=ISI%3AWoS &issn=0213-3911&date=2005&spage=575&volume=20&issue=2 http://openurl.ac.uk/?sid=ISI%3AWoS &issn=0213-3911&date=2005&spage=575&volume=20&issue=2 http://???/?sid=ISI%3AWoS &issn=0213-3911&date=2005&spage=575&volume=20&issue=2 works for member of University of Bath works for member of UK university works for everyone
    22. Shared services issues
      • distributed service registries
      • metadata schema registries
      • identifier services
      • terminology services
      • licensing services
        • who’s using what licences?
        • ensuing persistence of licensing agreements?
      • automated metadata-generation tools
      • name authority services
      Note: I’m not going to talk about AAA
    23. Shared services issues
      • distributed service registries
      • metadata schema registries
      • identifier services
      • terminology services
      • licensing services
        • who’s using what licences?
        • ensuing persistence of licensing agreements?
      • automated metadata-generation tools
      • name authority services
    24. Shared services issues
      • distributed service registries
      • metadata schema registries
      • identifier services
      • terminology services
      • licensing services
        • who’s using what licences?
        • ensuing persistence of licensing agreements?
      • automated metadata-generation tools
      • name authority services
    25. Shared services issues
      • distributed service registries
      • metadata schema registries
      • identifier services
      • terminology services
      • licensing services
        • who’s using what licences?
        • ensuing persistence of licensing agreements?
      • automated metadata-generation tools
      • name authority services
    26. Shared services issues
      • distributed service registries
      • metadata schema registries
      • identifier services
      • terminology services
      • licensing services
        • who’s using what licences?
        • ensuing persistence of licensing agreements?
      • automated metadata-generation tools
      • name authority services
    27. Shared services issues
      • distributed service registries
      • metadata schema registries
      • identifier services
      • terminology services
      • licensing services
        • who’s using what licences?
        • ensuing persistence of licensing agreements?
      • automated metadata-generation tools
      • name authority services
    28. Shared services issues
      • distributed service registries
      • metadata schema registries
      • identifier services
      • terminology services
      • licensing services
        • who’s using what licences?
        • ensuing persistence of licensing agreements?
      • automated metadata-generation tools
      • name authority services
    29. Conclusions
      • the study makes 26 suggestions – too many to consider here – but general need to recognise that…
        • our services are not (and will never be) the sole focus of the end-user’s attention
        • our services fit into broader fabric of the Internet – therefore need to be able to be integrated by others
        • some things are better done by others
        • possible tension between Web-based ‘portal and browser ‘desktop application framework’ approaches
        • need to align eLeaning and ‘digital library’
    30. Questions?
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