• Title/Summary/Keyword: Citation half-life and immediacy index

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Citation Analysis of Scholarly Journals of Library & Information Science Field in Korea (국내 문헌정보학분야 학술지의 상호인용관계 분석)

  • Kim, Hong-Ryul
    • Journal of the Korean Society for information Management
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    • v.32 no.4
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    • pp.7-27
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    • 2015
  • This study is to analyze impact factor, self-citation, immediacy index and cited half-life through citation analysis of scholarly journals of LIS field in Korea. This study was analysed the 9,329 references cited in Korean scholarly journal of LIS field. As a result, it analyzed that the articles of Korean LIS journal among the cited references in scholarly journal of LIS field in Korea is very insignificant. In other words, the percentage of citations was observed 19.1% in Journal of Korean Library and Information Science Society (KSLIS), 20.2% in Journal of the Korean Society for Library and Information Science (KLISS), 17.0% in Journal of the Korean Society for Information Management (KOSIM), 18.8% in Korean Biblia Society for Library and Information Science (KBIBLIA). Also, the cited half-life was analysed 5.87 years in KSLIS, 5.40 years in KLISS, 4.25 years in KOSIM, 3.57 years in KBIBLIA. And Impact factor has been found to be very low compared to journals of other fields.

Developments of Evaluation System for Qualitative Performance Measurement in Government-Supported Research Institute by Article Citation Method (피인용 특성 분석을 통한 출연(연) 임무중심형 기관평가의 질적 성과평가 개선 방향)

  • Lee, Moon Young;Yi, Chan Goo
    • Journal of Korea Technology Innovation Society
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    • v.19 no.4
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    • pp.768-798
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    • 2016
  • This study started from the awareness of the issue if the citation index newly introduced to evaluate the quality of papers satisfies the proper timing matter, which is a component of performance indicators for the evaluation of government-funded R&D institutes. Accordingly, the study will propose improvement ways to shift the previous evaluation system to quality evaluation for mission-oriented R&D institutes by analysing and using the periodical characteristics such as citation half-life and immediacy index of papers. As a result, it turned out that the speed of academic change is getting faster in proportion to the dependency on the technological development but that the citation speed in the field of public technology is relatively slower and the speed of knowledge transfer in the fields related to industry is faster. In addition, the citation index among the R&D fields showed no differences, and the minimum period for citation index measurement with validity should be over 6 years. The problems of evaluation for mission-oriented R&D institutes were deducted based on the technical and statistical analysis results of the temporal characteristic of citation necessary for quality evaluation of performance among R&D fields. To solve the problems, policy alternatives for object and valid quality evaluation were proposed from the points of evaluation period and evaluation criteria.

Developments of Evaluation System of Mission Oriented Government-Supported Research Institute by Article Citation Method (피인용 특성 분석을 통한 출연(연) 임무중심형 기관평가 개선 방향)

  • Lee, Moon Young;Yi, Chan Goo
    • Proceedings of the Korea Technology Innovation Society Conference
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    • 2016.05a
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    • pp.404-430
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    • 2016
  • This study started from the awareness of the issue if the citation index newly introduced to evaluate the quality of papers satisfies the proper timing matter, which is a component of performance indicators for the evaluation of government-funded R&D institutes. Accordingly, the study will propose improvement ways to shift the previous evaluation system to quality evaluation for mission-oriented R&D institutes by analysing and using the periodical characteristics such as citation half-life and immediacy index of papers. As a result, it turned out that the speed of academic change is getting faster in proportion to the dependency on the technological development but that the citation speed in the field of public technology is relatively slower and the speed of knowledge transfer in the fields related to industry is faster. In addition, the citation index among the R&D fields showed no differences, and the minimum period for citation index measurement with validity should be over 6 years. The problems of evaluation for mission-oriented R&D institutes were deducted based on the technical and statistical analysis results of the temporal characteristic of citation necessary for quality evaluation of performance among R&D fields. To solve the problems, policy alternatives for object and valid quality evaluation were proposed from the points of evaluation period, evaluation criteria, and evaluation management.

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A Study of Citing Patterns of Korean Scientists on Korean Journals (국내 과학기술 연구자의 한국 학술지 인용패턴 연구)

  • Choi, Seon-Heui;Kim, Byung-Kyu;Kang, Mu-Yeong;You, Beom-Jong;Lee, Jong-Wook;Park, Jae-Won
    • Journal of the Korean Society for information Management
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    • v.28 no.2
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    • pp.97-115
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    • 2011
  • A large and reliable citation database is necessary to identify and analyze citation behavior of Korean researchers in science and technology. Korea Institute of Science and Technology Information (KISTI) built the Korea Science Citation Database (KSCD), and have provided Korea Science Citation Index (KSCI) and Korea Journal Citation Reports (KJCR) services. In this article, citing behavior of Korean scientists on Korean journals was examined by using the KSCD that covers 459 Korean core journals. This research dealt with (1) statistical numeric information of journals in KSCD, (2) analysis of document types cited, (3) ratio of domestic to international documents cited and ratio of citing different disciplines, (4) analysis on immediacy index, peak time, and half-life of cited documents, and (5) analysis on impact of journals based on KJCR citation indicators. From this research, we could find the immediacy citation rate (average 2.36%), peak-time (average 1.7 years) and half-life (average 5.2 years) of cited journals in Korea. We also found that the average journal self-citation rate is more than 50% in every field. In sum, citing behavior of Korean scientists on Korean journals was comprehensively identified from this research.

Measuring Impact of Scholarly Digital Archives : Analyses on Citation Indicators of PMC Journals (학술 디지털 아카이브의 영향력 측정에 관한 연구 : PMC 학술지의 인용지수 분석을 중심으로)

  • Shin, Eun-Ja
    • Journal of Information Management
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    • v.36 no.3
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    • pp.51-70
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    • 2005
  • It is meaningful to develop the scholarly digital archives in a respect that it could preserve the research papers using digital media. The scholarly digital archives provide scientists with the information source with which scientists could actively accomplish research. This study measured based on the citation analysis to what extent PMC, which is life science scholarly digital archives, has an effect on the scholarly communication in the same subject field. The findings are as follows. First, the three citation indicators, impact factor, immediacy index, and half-life, have no remarkable difference in between pre and post-digital archives era. Second, there were more cases that the major citation indicators increased rather than ones decreased with the appearance of the scholarly digital archives, as a result of ranking the scholarly journals after classifying according to subjects.

Analysis of SCI Journals Cited by Korean Journals in the Computer field

  • Kim, Byungkyu;You, Beom-Jong;Kang, Ji-Hoon
    • Journal of the Korea Society of Computer and Information
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    • v.24 no.11
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    • pp.79-86
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    • 2019
  • It is very important to analyze and provide information resources for research output produced in the computer field, the core science of the 4th Industrial Revolution. In this paper, SCI journals cited from domestic journals in the computer field were identified and the citation rankings and their co-citation networks were generated, analyzed, mapped and visualized. For this, the bibliographic and citation index information from 2015 to 2017 in the KSCD were used as the basis data, and the co-citation method and network centrality analysis were used. As a result of this study, the number of citations and the citation ranks of SCI journals and papers cited by korean journals in the computer field were analyzed, and peak time(2 years), half-life(6.6 years), and immediacy citation rate(2.4%) were measured by citation age analysis. As a result of network centrality analysis, Three network centralities(degree, betweenness, closeness) of the cited SCI journals were calculated, and the ranking of journals by each network centrality was measured, and the relationship between the subject classifications of the cited SCI journals was visualized through the mapping of the network.

Citing Behavior of Korean Scientists on Foreign Journals in KSCD (KSCD를 활용한 국내 과학기술자의 해외 학술지 인용행태 연구)

  • Kim, Byung-Kyu;Kang, Mu-Yeong;Choi, Seon-Heui;Kim, Soon-Young;You, Beom-Jong;Shin, Jae-Do
    • Journal of the Korean Society for information Management
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    • v.28 no.2
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    • pp.117-133
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    • 2011
  • There have been little comprehensive research for studying impact of foreign journals on Korean scientists. The main reason for this is because there was no extensive citation index database of domestic journals for analysis. Korea Institute of Science and Technology Information (KISTI) built the Korea Science Citation Database (KSCD), and have provided Korea Science Citation Index (KSCI) and Korea Journal Citation Reports (KJCR) services. In this article, citing behavior of Korean scientists on foreign journals was examined by using KSCD that covers Korean core journals. This research covers (1) analysis of foreign document types cited, (2) analysis of citation counts of foreign journals by subject and the ratio of citing different disciplines, (3) analysis of language and country of foreign documents cited, (4) analysis of publishers of journals and whether or not journals are listed on global citation index services and (5) analysis for current situation of subscribing to foreign electronic journals in Korea. The results of this research would be useful for establishing strategies for licensing foreign electronic journals and for information services. From this research, immediacy citation rate (average 1.46%), peak-time (average 3.9 years) and half-life (average 8 years) of cited foreign journals were identified. It was also found that Korean scientistis tend to cite journals covered in SCI(E) or SCOPUS, and 90% of cited foreign journals have been licensed by institutions in Korea.