Search trees for subject searching in online catalogs
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TL;DR
Search trees presented in this article control system responses and determine appropriate subject searching approaches to user queries based on the extent to which queries match the catalog's controlled vocabulary and produce retrievals.
Abstract
Search trees presented in this article control system responses and determine appropriate subject searching approaches to user queries. Users do not explicitly choose a particular approach. Rather, systems respond with an approach based on the extent to which queries match the catalog's controlled vocabulary and produce retrievals. The benefit of incorporating search trees into online bibliographic systems is the ability to place the responsibility of determining which approach produces the best results on the system.