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|Title:||Detecting and supporting known item queries in online public access catalogs|
|Authors:||Kan, M.-Y. |
|Keywords:||Known item queries|
Query language model
|Citation:||Kan, M.-Y.,Poo, D.C.C. (2005). Detecting and supporting known item queries in online public access catalogs. Proceedings of the ACM/IEEE Joint Conference on Digital Libraries : 91-99. ScholarBank@NUS Repository.|
|Abstract:||When users seek to find specific resources in a digital library, they often use the library catalog to locate them. These catalog queries are defined as known item queries. As known item queries search for specific resources, it is important to manage them differently from other search types, such as area searches. We study how to identify known item queries in the context of a large academic institution's online public access catalog (OPAC), in which queries are issued via a simple keyword interface. We also examine how to recognize when a known item query has retrieved the item in question. Our approach combines techniques in machine learning, language modeling and machine translation evaluation metrics to build a classifier capable of distinguishing known item queries and correctly classifies titles for whether they are the known item sought with an 80% and 95% correlation to human performance, respectively on each task. To our knowledge, this is the first report of such work, which has the potential to streamline the user interface of both OPACs and digital libraries in support of known item searches. Copyright 2005 ACM.|
|Source Title:||Proceedings of the ACM/IEEE Joint Conference on Digital Libraries|
|Appears in Collections:||Staff Publications|
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