Users and Uses of Bibliographic Data: The Promise and Paradox of Bibliographic Control. NCSU Case study: Faceted Navigation. Andrew K. Pace Head, Information Technology NCSU Libraries. Agenda. NCSU’s Endeca-powered catalog Data Reality Check Relevance ranking in online catalogs
NCSU Case study: Faceted Navigation
Andrew K. Pace
Head, Information Technology
You search the data you have, not the data you wish you had.
"Most integrated library systems, as they are currently configured and used, should be removed from public view."
- Roy Tennant, CDL
What patrons are doing
Library: D.H. Hill (33,091)
Language: English (22,668)
Format: eBook (21,177)
LC Class: Q-Science (25,277)
Subject|Region: US (20,954)
Subject|Topic: History (20,861)
LC Class: T-Technology (16,951)
LC Class: H-Soc. Sci. (16,345)
Subject Topic: Bioethics (12,933)Most Popular Dimension Values
July 06 – Jan 07
Out of 765,170 Navigation Requests
We finally have interesting discovery tools that make use of bibliographic data in ways that show us that the data are not completely adequate for use with the new discovery tools.
….Abandon the attempt to do comprehensive subject analysis manually with LCSH in favor of subject keywords; urge LC to dismantle LCSH”
-- Karen Calhoun, The Changing Nature of the Catalog and its Integration with Other Discovery Tools, report prepared for the Library of Congress, March 2006
“Subject keywords” should replace the controlled vocabulary from which the keywords themselves are most easily derived.
Let’s build bridges between the mountains of bibliographic description so that we can tear down the mountains.
(with some help from colleague Charley Pennell, Principle Cataloger for Metadata, NCSU)
Computational (e.g. non-human mediated) creation of subject-based facets will work perfectly once all the full text of every work is available in electronic format.
What does a search and retrieval system for 50 million books and 50 million articles look like?
“You’re damned if you do and you’re damned if you don’t.”
- Bart Simpson