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  • × author_ss:"Hajdu Barat, A."
  1. Hajdu Barat, A.: Change in the process of cognition by contemporary information technology (2003) 0.00 
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  2. Hajdu Barat, A.: General information retrieval language dictionary in the Szechenyi National Library (Hungary) (2003) 0.00 
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  3. Hajdu Barat, A.: Multilevel education, training, traditions and research in Hungary (2007) 0.00 
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    Abstract
    This paper aims to explore the theory and practice of education in schools and the further education as two levels of the Information Society in Hungary . The LIS education is considered the third level over previous levels. I attempt to survey the curriculum and content of different subjects in school; and the division of the programme for librarians. There is a great and long history of UDC usage in Hungary. The lecture sketches stairs of tradition from the beginning to the situation nowadays. Szab ó Ervin began to train the UDC at the Municipal Library in Budapest from 1910. He not only used, but taught the UDC for librarians in his courses, too. As a consequence of Szab ó Ervin's activity the librarians knew and used the UDC very early, and all libraries would use it. The article gives a short overview of recent developments and duties, the situation after the new Hungarian edition, the UDC usage in Hungarian OPAC and the possibility of UDC visualization.
    Type
    a
  4. Hajdu Barat, A.: Knowledge organization of the Universal Decimal Classification : new solutions, user friendly methods from Hungary (2004) 0.00 
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    Abstract
    This paper aims at exploring the changes in the role and representation of information retrieval languages, particularly the UDC system in the digital, online environment and the Internet. The Totalzoom Technology takes a different approach, with the help of which even a lay user can easily navigate in the "informational space". This system follows the free associative nature of human thinking. Technically, it works with the wide degree of freedom afforded by a logical-associative network, coupled with a hierarchical search tree as an inner auxiliary structure.
    Content
    1. Introduction The use of classical classification methods are a strong tradition in Hungary. One of the most widespread systems is the Universal Decimal Classification (UDC). We can find it in every type of library and at various levels. Perhaps it is not an overstatement to say that every library has used the UDC at least once in its history, and most of them still use it. Such standardization has been very wide and desirable, although the UDC has not become as popular a system among users everywhere as it has in Hungary. Naturally there are other information retrieval languages, too. They have been used by many libraries, but generally these institutions build their own subject system, own thesaurus, etc. There have also been attempts at creating a Hungarian General Subject s, like a Library of Congress Subject Headings or Regeln für den Schlagwortkatalog. Another project was the KÖZTAURUSZ (Comprehensive Thesaurus for the Public Libraries) and the National Széchényi Library's thesaurus. To what do we owe such a variety of approaches? The typical answer of 15-20 years ago was that the UDC lacked flexibility, its codes could not readily be used in integrated library systems, its terms were out of date and not concrete enough, etc.
    Type
    a
  5. Hajdu Barat, A.: Human perception and knowledge organization : visual imagery (2007) 0.00 
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    Abstract
    Purpose - This paper aims to explore the theory and practice of knowledge organization and its necessary connection to human perception, and shows a solution of the potential ones. Design/methodology/approach - The author attempts to survey the problem of concept-building and extension, as well as the determination of semantics in different aspects. The purpose is to find criteria for the choice of the solution that best incorporates users into the design cycles of knowledge organization systems. Findings - It is widely agreed that cognition provides the basis for concept-building; however, at the next stage of processing there is a debate. Fundamentally, what is the connection between perception and the superior cognitive processes? The perceptual method does not separate these two but rather considers them united, with perception permeating cognition. By contrast, the linguistic method considers perception as an information-receiving system. Separate from, and following, perception, the cognitive subsystems then perform information and data processing, leading to both knowledge organization and representation. We assume by that model that top-level concepts emerge from knowledge organization and representation. This paper points obvious connection of visual imagery and the internet; perceptual access of knowledge organization and information retrieval. There are some practical and characteristic solutions for the visualization of information without demand of completeness. Research limitations/implications - Librarians need to identify those semantic characteristics which stimulate a similar conceptual image both in the mind of the librarian and in the mind of the user. Originality/value - For a fresh perspective, an understanding of perception is required as well.
    Type
    a
  6. Hajdu Barat, A.: Knowledge organization and information retrieval in institutional repositories (2018) 0.00 
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