David Bigwood's Catalogablog has this lovely citation:
Toward a 21st Century Library Catalog by Kristin Antelman, Emily Lynema, and Andrew K. Pace (2006) appears in Information Technology and Libraries 25(3):pp. 128-139.
Library catalogs have represented stagnant technology for close to twenty years. Moving toward a next-generation catalog, North Carolina State University (NCSU) Libraries purchased Endeca's Information Access Platform to give its users relevance-ranked keyword search results and to leverage the rich metadata trapped in the MARC record to enhance collection browsing. This paper discusses the new functionality that has been enabled, the implementation process and system architecture, assessment of the new catalog's performance, and future directions.
The article neatly skewers most 1980s-vintage catalog technology, noting that all major vendors are shipping systems that are virtually unchanged in their basic search structures from the systems that were in place 20 years ago. They then go on to talk about their new Endeca system in detail, with some use cases like these recommender systems:
Two features in Endeca that have seen a surprising amount of use are the “most popular” sort option and the “more titles like this” feature available on the detailed-record page for a specific title. Both relate broadly to the area of recommending related materials to patrons.
The “most popular” sort option is currently powered by aggregated circulation data for all items associated
with a title. While this technique is ineffective for serials, reference materials, and other noncirculating items, it provides users a previously unavailable opportunity to define relevance. To date, the “most popular” sort is the second most frequently selected sort option (after publication date, at 41 percent), garnering 19 percent of all sorting activity. Most-popular sorting was trailed by title, author,
and call-number sorting.
UPDATE: TrotskyProletariatLibrary is fired up or frustrated about the problem of hard to use online catalogs.
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