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    Using query-based concept structures to improve subject access to digital libraries

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    Author
    Meng, Chulin
    Editors
    Khoo, C.
    Singh, D.
    Chaudhry, A.S.
    Issue Date
    2006
    Submitted date
    2007-05-22
    Keywords
    Digital Libraries
    Knowledge Structures
    Local subject classification
    concept structures
    subject access
    digital libraries
    
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    Citation
    Using query-based concept structures to improve subject access to digital libraries 2006, :164-167
    Publisher
    School of Communication & Information, Nanyang Technological University
    URI
    http://hdl.handle.net/10150/106185
    Abstract
    From the early information retrieval systems to recent web search engines, most systems ask user to express their information need in a query. While the online information systems, such as search engines and digital libraries, bring the great opportunity of accessing huge amount of information directly, they also present challenges on users’ competence of formulating good queries. In library, thesauri and classification schemes are not only indexing tools, but also concept consultation tools. Thesauri and classification schemes haven’t fully adapted in to digital library and IR system, because there are not universal concept hierarchies. This essay introduces the ideal of using query-based concept structures to improve subject access to digital libraries. It reports some early work of an ongoing project that explores the usability and effectiveness of query-based concept structures, which naturally connects static knowledge in the information collection and user dynamic information need, as intermediary. Methodologies and experimental designs are laid out. The preliminary results are presented and further research is discussed.
    Type
    Conference Paper
    Language
    en
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