• Proceedings of the Korean Society for Information Management Conference
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• 1995.08a
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• pp.105-108
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• 1995

본 연구는 이동도서관에서 집중적으로 많이 이용되는 도서의 특성을 조사하고 이용자의 유형을 조사하였다. 본 연구를 통하여 얻은 결론은 도서 대출 분포는 브랫포드의 분산법칙, 지프의 법칙같은 현상이 존재한다는 것이다. 즉, 대출 횟수의 약 80%가 장서의 약 30%이내에서 오며 도서 대출 경향에서 수확 체감 현상이 나타났다. 그리고, 도서의 내용, 출판 후 경과 년수, 대출 경과 일수, 인구학적 특성이 장서의 이용에 영향을 준다. 즉, 아동 도서, 한국 소설, 외국 소설 순으로 많이 대출되며 출판 후 경과년수가 5-6년 이내의 도서가 핵심 도서이며 출판 후 경과년수가 짧은 도서일수록 대출횟수가 많다. 그러나, 아동 도서, 한국 소설, 외국 소설이 대출 횟수는 많지만 도서 이용가치수명은 기타 도서의 1/2에 불과하다. 대출 도서의 대부분(80%)은 6주이내에 최종 대출되며 이용자는 여자가 30, 40대가, 가정주부가, 고졸이상이 많이 이용한다.

• Journal of Korean Library and Information Science Society
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• v.48 no.2
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• pp.263-293
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• 2017

The purpose of this study is to analyze user behaviors of books in detail based on circulation data in an academic library. It analyzes circulation patterns of books for ten years from 2006 to 2015, which are surprisingly similar every year. Each pattern follows 'Loan books 20/50 rule' that 20% core collection occupies 50% of its circulation every year. This clarifies users' circulation patterns are highly consistent and very expectable. Also, using the cumulative distribution of book age, it defines the half-life of books and suggests the mathematical formula to measure it. Circulation patterns of the whole loan book and core collection for ten years are very different in terms of subjects, user groups, and divisions. This indicates that core collection plays a significant role in analyzing circulation statistics and usage patterns for the efficient collection development in the future.

• Journal of Korean Library and Information Science Society
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• v.50 no.1
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• pp.23-41
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• 2019

This study understand the subject domain of book which has been read by men and woman elderly by analizying the PFNET using library big data and confirm the difference between adult at age 30-40. This study extract co-occurrence matrix of book lending on the popular book list from library big data, for 4 group, men/woman elderly, men/woman adult. With these matrix, this study performs FP network analysis. And Pearson Correlation Analysis based on the Triangle Betweenness Centrality calculated on the loan book was performed to understand the correlation among the 4 clusters which has been created by PNNC algorithm. As a result, reading trend which has been focused on modern korean novel has been revealed in elderly regardless gender, among them, men elderly show extreme tendency concentrated on modern korean long series novel. In the correlation analysis, the male elderly showed a weak negative correlation with the adult male of r = -0.222, and the negative direction of all the other groups showed that the tendency of male elderly's loan book was opposite.

• Journal of the Korean Society for Library and Information Science
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• v.41 no.1
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• pp.125-138
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• 2007

The Purpose of the study was to research the effectiveness of book selection each by faculty, librarians and students. For this purpose, the study performed a case study on K Academic Library to compare the circulation rate of the books selected by each group. According to the book selection and circulation records of 7,717 titles (16,809 volumes) during the last 3 years. it was shown that about 76% of the books were selected by librarians. With regard to the rate of books with more than 1time circulation record, books selected by librarians showed the highest with about 85%. With regard to the circulation rate of books with circulation record, books selected by students showed the highest.

• Journal of Korean Library and Information Science Society
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• v.54 no.3
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• pp.33-55
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• 2023

There has been research to understand users' information behaviors using book circulation data of public libraries. In this study, we examined the subject areas of books simultaneously borrowed by users of public libraries and aimed to identify the relationships among the subject areas. To accomplish this, we utilized the Korean Decimal Classification codes of 984,790 loaned books in 2019 to transform the lists of concurrently borrowed books, totaling 22,443,699 records, by the same users on the same day, into vectors using the ITEM2VEC technique. Next, we extracted ten highly related classification codes for each classification code, utilizing a total of 522 classification codes to create a network. We identified 15 communities within this network and examined the characteristics of each community. Among the 15 communities, those consisting of two or more main classes allowed us to identify meaningful thematic associations. This study, grounded in users' book usage behaviors, has suggested the topics of books that could be borrowed together. The findings offer valuable insights for library collection development and placement, recommending related subject materials, and revising classification systems.

• Journal of the Korean BIBLIA Society for library and Information Science
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• v.23 no.2
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• pp.235-253
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• 2012

The library circulation service, which refers to the lending of library material outside of the library, is a basic and essential service provided by the library. However, changes in the library circulation service are being made according to a more management-oriented operation and the development of information technology. Consequently, the library faces a paradigm shift 'from library-centered service' to 'user-oriented service' and experiences changes in library circulation service due to the growth of library networks. Also, each library, in order to respond to the changes, tries to specialize the library circulation service by utilizing available library resources. In that context, this study, through the case study of the "Chack DanBi" library circulation service of Eunpyeong Public Library, investigates and analyzes the changing library circulation service according to the above perspectives; seeks the meaning of the service; and aims at enhancing our understanding of the library circulation service.

• Journal of the Korean Society for Library and Information Science
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• v.50 no.3
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• pp.429-453
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• 2016

This study analyzes circulation patterns of books with checkout transaction count by 11 subject areas, 5 positions, and 5 divisions with a Use Factor developed by Bonn in an Academic Library. 20% of the loan books occupies more than half of circulation and these are regarded as core collection. It proposes a 'Loan books 20/50 rule' that 20% core collection accounts for 50% of its circulation. It analyzes the proportion of core collection from the aspect of each subject area with a use factor, monthly change trend and loan period. It also defines 'book usage' considering checkout frequency of each title and loan period. Circulation patterns of core collection are compared and analyzed in terms of both checkout frequency and book usage. Core collection occupies about more than half of both total checkout transactions and total book usages and they all show a Power Law distribution.

• Journal of the Korean Society for Library and Information Science
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• v.52 no.1
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• pp.179-202
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• 2018

The public lending right is a system in which government provide compensation to authors on the premise that the sale of books is reduced due to the book borrowing of the library. Recently, the claim that the public lending right should be introduced in Korea has been continuously raised by the authors. This study was conducted as part of the basic work to demonstrate whether the claims of public lending right are based on reasonable premises. The library's popular lending books and bookstore bestseller books were compared to analyze the similarities and differences. Through this process, we derive necessary factors to prove the validity of the introduction of the public lending right and suggest follow - up study. In addition, we recalled the social meaning of book lending in libraries.

• Journal of the Korea Institute of Information and Communication Engineering
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• v.7 no.6
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• pp.1217-1223
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• 2003

Nowdays, people who want to lend books in library have to use book-searching system in university homepage in Internet. After then, they must search signature, author and theme in order taking the book number. This kinks of lending procedure is true to take a long time for users who go to library from time to time to find books what they need directly so that they cannot help wasting time. On this thesis, the information system which provides the location of books is visualized in order to decrease inconvenience.

• Journal of the Korean Society for Library and Information Science
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• v.55 no.2
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• pp.131-146
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• 2021

In this study, overlapping recommended books in different schools were positively analyzed and the extent to which the recommended books leading to actual loan was statistically analyzed. The purpose of the study is to confirm the effects of recommended books by analyzing the data and extracting the proofs. For the method of research, eighteen elementary schools' recommended book lists and thirteen elementary schools' loan data were collected and compared by schools, by grades in a basic statistical analysis method. The result shows that recommended books similarity was low and recommended books affected the total volume of lend books. Loan frequency by grades showed the difference and in every school, lower grades had high loan frequency. The result of this study will be applied as basic data for applying recommended books in school libraries.