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Subject Gateways

Subject Gateways. fulfilling the DESIRE for knowledge Emma.Worsfold@Bristol.ac.uk. Aim of subject gateways. to help users locate relevant and high quality resources on the Internet. Subject gateways. “doing for on-line information resources what librarians do for books”.

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Subject Gateways

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  1. Subject Gateways fulfilling the DESIRE for knowledge Emma.Worsfold@Bristol.ac.uk

  2. Aim of subject gateways • to help users locate relevant and high quality resources on the Internet

  3. Subject gateways ... “doing for on-line information resources what librarians do for books”

  4. Information intermediaries • serving specific user groups • identifying information needs • building targeted and quality collections • “trusted third parties” (Clifford Lynch) • filter the Internet • not prone to word stuffing/metadata spamming!

  5. Cataloguing Internet resources (… or creating “human-generated metadata”) • title • keywords • description • URL • up to 60 other attributes

  6. Adhering to metadata standards • Dublin Core • MARC • ROADS / IAFA

  7. Classifying Internet resources (organising resources under subject categories) 159.9 PSYCHOLOGY 159.9.01 Theories, Laws, Metaphysical Psychology 150.07 Experimental Psychology 159.91 Physiological Psychology 159.92 mental development 159.93 sensory perception

  8. What’s the difference between a subject gateway and a search engine?

  9. built by robots exhaustive indexing automatically generated metadata Search Engines

  10. Built by humans selective catalogues human generated metadata Subject gateways

  11. An example - SOSIG

  12. The UK gateways • Medicine OMNI • Engineering EEVL • Art ADAM • Social Science SOSIG • Business Biz/ed • History History • General BUBL/NISS

  13. Other gateways in Europe • The Netherlands (DutchESS) • Finnish Virtual Library Project • Germany • Sweden (EELS)

  14. Elsewhere ... • Scout Report Signpost • NetFirst • Any more?

  15. What can users expect to see in the future? Bigger collections International collections collections covering all subjects

  16. Cross-searching

  17. Combine Harvester bigger databases still some quality control Harvesting

  18. WWW-based cataloguing avoiding duplicated effort improving coverage Distributed Cataloguing

  19. A Vision for the Future • an integrated virtual library for end-users • enabling users to take advantage of subject expertise around the World

  20. What this depends on • International metadata standards • International co-operation and strategy • The technologies are here - it’s the human factor that needs attention!

  21. DESIRE • Guidelines on developing subject gateways • Research in Internet cataloguing and indexing • International WORKSHOPS in 1999 • “The Information Gateways Handbook”

  22. A Web-based tutorial on evaluating the quality of Internet information Internet Detective

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