Library Cataloging
Improving subject searching in databases through a combination of descriptors and UDC by Granados, Mariangels and Nicolau, Anna (2008) In Proceedings BOBCATSSS'08: Providing acces for everyone, Zadar (Croatia)
- Cuttering At The National Library Of Medicine
News from the NLM.The National Library of Medicine (NLM) wishes to announce that it will cease providing cutter numbers in LocatorPlus for most of the classification numbers assigned to print monographs that the Library catalogs. Cutter assignment will...
- Classification And The Web
Crunching the metadata: What Google Print really tells us about the future of books by David Weinberger appears in the Nov. 13 edition of the Boston Globe. Wrong on so many counts. He seems to confuse classification with identification. In many libraries...
- Lccn Sorting
sortLC for sorting LC call numbers. The sortLC Perl utilities are designed for sorting a list of Library of Congress (LC) call numbers. LC call numbers are based on the Library of Congress Classification system. This is an initial beta effort, not a finished...
- Classweb
Through the courtesy of a cooperative agreement with OCLC Online Computer Library Center, Inc. (OCLC), the Cataloging Distribution Service (CDS) is now able to offer access to the following correlations with Dewey classification numbers:LC Subject Headings...
- Xml
The current issue of JDIM (Journal of Digital Information Management) has the paper "Indexing for XML-based Articles" by Canan F. Pembe and Taflan 0. Gundem.Traditional information retrieval systems have problems in the relevancy of the search results....
Library Cataloging
Improving Subject Searching
Improving subject searching in databases through a combination of descriptors and UDC by Granados, Mariangels and Nicolau, Anna (2008) In Proceedings BOBCATSSS'08: Providing acces for everyone, Zadar (Croatia)
Problems with subject access to online catalogues and databases are not new. Studies on the use of OPACs have revealed two apparently endemic problems: on the one hand, the large number of searches with zero hits (failed searches) and on the other, the retrieval of an excessive amount of bibliographic records (information overload).
In this paper we describe a new information retrieval technique based on the combination of descriptor weighting and the use of the Universal Decimal Classification (UDC) call numbers.
The use of classification call numbers in order to search the catalogue has traditionally been very restricted. In most catalogues, call numbers are used only as topographical indicators and are not searchable. The new system described here makes much fuller use of them.
The system is based on the hypothesis that a set of descriptors correspond to a UDC call number. Through the analysis of the frequency of distribution of descriptors and call numbers, we create a set of clusters that allow increasing precision and recall. At the same time, these clusters offer alternative search modes, making it possible to systematize the indexing process and increase its consistency. Here we present a case study of the use of the system with the ERIC database.
- Cuttering At The National Library Of Medicine
News from the NLM.The National Library of Medicine (NLM) wishes to announce that it will cease providing cutter numbers in LocatorPlus for most of the classification numbers assigned to print monographs that the Library catalogs. Cutter assignment will...
- Classification And The Web
Crunching the metadata: What Google Print really tells us about the future of books by David Weinberger appears in the Nov. 13 edition of the Boston Globe. Wrong on so many counts. He seems to confuse classification with identification. In many libraries...
- Lccn Sorting
sortLC for sorting LC call numbers. The sortLC Perl utilities are designed for sorting a list of Library of Congress (LC) call numbers. LC call numbers are based on the Library of Congress Classification system. This is an initial beta effort, not a finished...
- Classweb
Through the courtesy of a cooperative agreement with OCLC Online Computer Library Center, Inc. (OCLC), the Cataloging Distribution Service (CDS) is now able to offer access to the following correlations with Dewey classification numbers:LC Subject Headings...
- Xml
The current issue of JDIM (Journal of Digital Information Management) has the paper "Indexing for XML-based Articles" by Canan F. Pembe and Taflan 0. Gundem.Traditional information retrieval systems have problems in the relevancy of the search results....