Using Dewey Differently

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Using Dewey Differently

• Research New Technologies IG
• OCLC Members Council
• 13 February 2006
• Diane Vizine-Goetz
• Thom Hickey

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October Meeting

• DeweyBrowsersearching and browsing by Dewey
  interface programmed in AJAX (Asynchronous
  JavaScript and XML)
• Curiouseremploys OCLC FRBR work-set algorithm to
  group related records

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Agenda

• ClassifyUses FRBR groups to enrich records with
  Dewey numbers
• LiveSearchNew search interface which employs
  Dewey and Ajax techniques

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Classify

• OCLC Research Team
• Diane Vizine-Goetz
• Harry Wagner
• Features
• Employs data mining of holdings and FRBR
• Human- and machine-readable interfaces that
  resolve OCLC record number or ISBN to DDC or LCC

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Phoenix Public Library

• 222,197 without DDC numbers
• 44,704 DDC added from FRBR-clustered records
• Four DDC main classes accounted for more than 91
  class numbers

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DDC added by Main Class
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Experimental Classification Service

• Demo
• Elfquest (frbr group)
• Frugal housewife
• Say it in Polish
• Senate ethics manual

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Next steps

• Apply to nearly 1 million WorldCat records
  without Dewey numbers excluded from DeweyBrowser
• Conduct a feasibility study of current cataloging
  records from British Library without DDC

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Live Search

• OCLC Research Team
• Thom Hickey (lead)
• Jenny Toves
• Ralph LeVan
• Features
• Quick searches target with each additional
  keystroke of search term/phrase
• Retrieves ordered, FRBR-grouped results
• Uses Dewey to narrow search results
• Demo
• Phoenix PublicDDC former--Phoenix w/o DDC