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Using Dewey Differently

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Using Dewey Differently

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  1. Using Dewey Differently Research & New Technologies IG OCLC Members Council 13 February 2006 Diane Vizine-Goetz Thom Hickey

  2. October Meeting • DeweyBrowser—searching and browsing by Dewey; interface programmed in AJAX (Asynchronous JavaScript and XML) • Curiouser—employs OCLC FRBR work-set algorithm to group related records

  3. Agenda • Classify—Uses FRBR groups toenrich records with Dewey numbers • LiveSearch—New search interface which employs Dewey and Ajax techniques

  4. 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

  5. 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

  6. DDC added by Main Class

  7. Experimental Classification Service • Demo • Elfquest (frbr group) • Frugal housewife • Say it in Polish • Senate ethics manual

  8. 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

  9. 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 Public+DDC [former--Phoenix w/o DDC]