[논문]KCI vs. WoS: Comparative Analysis of Korean and International Journal Publications in Library and Information Science

Yang, Kiduk; Lee, Hyekyung; Kim, Seonwook; Lee, Jongwook; Oh, Dong-Geun

doi:10.1633/jistap.2021.9.3.6

KCI vs. WoS: Comparative Analysis of Korean and International Journal Publications in Library and Information Science 원문보기

Journal of information science theory and practice : JISTaP, v.9 no.3, 2021년, pp.76 - 106

Yang, Kiduk (Department of Library and Information Science, Kyungpook National University) , Lee, Hyekyung (Department of Library and Information Science, Kyungpook National University) , Kim, Seonwook (Department of Library and Information Science, Kyungpook National University) , Lee, Jongwook (Department of Library and Information Science, Kyungpook National University) , Oh, Dong-Geun (Department of Library and Information Science, Keimyung University)

Abstract ▼ AI-Helper

The study analyzed bibliometric data of papers published in Korea Citation Index (KCI) and Web of Science (WoS) journals from 2002 to 2021. After examining size differences of KCI and WoS domains in the number of authors, institutions, and journals to put publication and citations counts in perspective, the study investigated co-authorship patterns over time to compare collaboration trends of Korean and international scholars and analyzed the data at author, institution, and journal levels to explore how the influences of authors, institutions, and journals on research output differ across domains. The study also conducted frequency-based analysis of keywords to identify key topics and visualized keyword clusters to examine topic trends. The result showed Korean LIS authors to be twice as productive as international authors but much less impactful and Korean institutions to be at comparable levels of productivity and impact in contrast to much of productivity and impact concentrated in top international institutions. Citations to journals exhibited initially increasing pattern followed by a decreasing trend though WoS journals showed far more variance than KCI journals. Co-authorship trends were much more pronounced among international publication, where larger collaboration groups suggested multi-disciplinary and complex nature of international LIS research. Keyword analysis found continuing diversification of topics in international research compared to relatively static topic trend in Korea. Keyword visualization showed WoS keyword clusters to be much denser and diverse than KCI clusters. In addition, key keyword clusters of WoS were quite different from each other unlike KCI clusters which were similar.

주제어

표/그림 (31)

표 Table 1. Size comparison of KCI and WoS LIS data
그림 Fig. 1. Frequencies of co-authorship by year. KCI, Korea Citation Index; WoS, Web of Science.
그림 Fig. 2. Impact of co-authorship by year. KCI, Korea Citation Index; WoS, Web of Science.
그림 Fig. 3. Average impact of co-authorship by year. KCI, Korea Citation Index; WoS, Web of Science; pcnt, publication count; ccnt, citation count.
그림 Fig. 4. Mean average impact of co-authorship. KCI, Korea Citation Index; WoS, Web of Science.
그림 Fig. 5. Author frequencies by publication count. KCI, Korea Citation Index; WoS, Web of Science.
그림 Fig. 6. Author frequencies by citation count. KCI, Korea Citation Index; WoS, Web of Science.
표 Table 2. Author ranking distributions by productivity and impact
그림 Fig. 7. Institution frequencies by publication count. KCI, Korea Citation Index; WoS, Web of Science.
그림 Fig. 8. Institution frequencies by citation count. KCI, Korea Citation Index; WoS, Web of Science.
표 Table 3. Institution ranking distributions by productivity and impact
그림 Fig. 9. Journal publication count by year. KCI, Korea Citation Index; WoS, Web of Science.
그림 Fig. 10. Web of Science (WoS) journal publication count by year: decreasing and increasing subsets.
그림 Fig. 11. Journal citation count by year. KCI, Korea Citation Index; WoS, Web of Science.
그림 Fig. 12. Web of Science (WoS) journal citation count by year (decreasing and increasing subsets).
그림 Fig. 13. Journal average citation count by year. KCI, Korea Citation Index; WoS, Web of Science.
그림 Fig. 14. Web of Science (WoS) journal average citation count by year (decreasing and increasing subsets).
그림 Fig. 15. Journal average citation counts. KCI, Korea Citation Index; WoS, Web of Science; pcnt, publication count; ccnt, citation count.
표 Table 4. Top 20 most popular and influential keywords by year in KCI
표 Table 5. Top 20 most popular and influential keywords by year in WoS
표 Table 6. Top 20 most popular and influential keywords in KCI
그림 Fig. 16. Number of keywords by year: KCI vs. WoS. KCI, Korea Citation Index; WoS, Web of Science.
표 Table 7. Top 20 most popular and influential keywords in WoS
그림 Fig. 17. Korea Citation Index keyword clusters by publication count (2002-2011).
그림 Fig. 18. Korea Citation Index keyword clusters by publication count (2012-2021).
그림 Fig. 19. Korea Citation Index keyword clusters by citation count (2002-2011).
그림 Fig. 20. Korea Citation Index keyword clusters by citation count (2012-2021).
그림 Fig. 21. Web of Science keyword clusters by publication count (2002-2011).
그림 Fig. 22. Web of Science keyword clusters by publication count (2012-2021).
그림 Fig. 23. Web of Science keyword clusters by citation count (2002-2011).
그림 Fig. 24. Web of Science keyword clusters by citation count (2012-2021).

AI 본문요약
AI-Helper

제안 방법

This study conducted a comparative analysis of international and domestic LIS research to discover key differences in collaboration and topic trends as well as publication and citation patterns. The study also presented an approach to analyzing research activities of domains that have vast differences in size.

대상 데이터

For the study we collected publication data of the articles published in KCI and WoS LIS journals from 2002 to June 2021, which spans 19.5 years. 2002 was chosen as the starting point because KCI LIS journal data begins in 2002.
2002 was chosen as the starting point because KCI LIS journal data begins in 2002. The study data consisted of 6, 572 KCI articles from eight Korean LIS (KLIS) journals with 29, 597 citations and 89, 941 WoS articles from 85 international LIS journals indexed in the SSCI, that were cited 1, 396, 278 times.

성능/효과

For KCI, 2-author impact shows the most pronounced increase over the years while the co-authorship of five or more displays a much more muted rate of increase. For WoS, 5-plus co-authorship exhibits the most markedly upward trend of impact increase while 2-author impact shows a decreasing pattern (Fig. 2).
Another interpretation is to say that WLIS authors get cited more due to the bigger citation pool. Regardless of which interpretation is true, two facts remain irrefutable: WLIS authors get cited more than KLIS authors on average and there exists a much larger variance in research impact of authors in WLIS than in KLIS. The former is likely due to the fact that WLIS authors tend to cite more than KLIS authors, while the latter reflects the presence of international superstar researchers that lead the LIS field.
Last but not least, keyword analysis showed a much more diverse topic area in WLIS than in KLIS. WLIS keywords also exhibited less correlation between popularity and impact than KLIS keywords as evidenced by larger KCI numbers of most popular (i.e., frequently appearing) and impactful (i.e., frequently cited) keywords and the dissimilarity of popular and impactful WLIS keyword clusters. Keyword analysis over time showed continuing diversification of topics in international LIS research in comparison to a relatively static topic pool of KLIS research.
While KLIS institutions showed comparable levels of productivity and impact, WLIS institutions showed the lion’s share of total productivity and impact concentrated in a fraction of top institutions.

후속연구

The journal impact factor normalizes in a similar manner by dividing the number of citations by the number of articles published in the journal for a 2-year period. Accordingly, we need to take into consideration size differences when comparatively analyzing the publication data of KCI and WoS in order to arrive at appropriate interpretations.
The study also presented an approach to analyzing research activities of domains that have vast differences in size. Furthermore, the study presented a multi-faceted analysis of data in order to provide a comprehensive assessment that can lead to better understanding and interpretation.

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