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OCLC Research OCLC Online Computer Library Center
Using Dewey Differently
Research & New Technologies IG
OCLC Members Council
13 February 2006
Diane Vizine-Goetz
Thom Hickey
OCLC Research OCLC Online Computer Library Center
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
OCLC Research OCLC Online Computer Library Center
Agenda
Classify—Uses FRBR groups to enrich records with Dewey numbers
LiveSearch—New search interface which employs Dewey and Ajax techniques
OCLC Research OCLC Online Computer Library Center
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
OCLC Research OCLC Online Computer Library Center
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
OCLC Research OCLC Online Computer Library Center
1%
1%
2%
10%
2%
1%
2%
13%
61%
7%
0 Computer Science…
1 Philosophy & Psychology
2 Religion
3 Social Sciences
4 Language
5 Science
6 Technology
7 Arts
8 Literature
9 History & Geography
DDC added by Main Class
OCLC Research OCLC Online Computer Library Center
Experimental Classification Service
Demo
Elfquest (frbr group)
Frugal housewife
Say it in Polish
Senate ethics manual
OCLC Research OCLC Online Computer Library Center
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
OCLC Research OCLC Online Computer Library Center
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]
