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首页> 外文期刊>Evidence Based Library and Information Practice >A Combination of Citation Analyses Can Reveal the Nature of a Journal’s Scholarly Communication, Its Influence in a Scientific Community, and the Geographic Location of Its Authors and Citers
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A Combination of Citation Analyses Can Reveal the Nature of a Journal’s Scholarly Communication, Its Influence in a Scientific Community, and the Geographic Location of Its Authors and Citers

机译：引用分析的组合可以揭示期刊学术交流的性质，其在科学界的影响力以及作者和引文作者的地理位置

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A review of: Bonnevie-Nebelong, Ellen. “Methods for Journal Evaluation: Journal Citation Identity, Journal Citation Image, and Internationalisation.” Scientometrics 66.2 (Jan. 2006): 411-24. Objective – To conduct a number of citation analyses of the Journal of Documentation (JDOC), comparing the results with analyses of the Journal of Information Science (JIS), and the Journal of the American Society of Information Science and Technology (JASIST) to illustrate features of JDOC. Design – Bibliometric study. Setting – Library and information science journal literature. Sample – Citations given by and given to the JDOC were analysed and compared to those from the JASIST and the JIS. Author affiliation data were analysed from articles published in JDOC and from articles citing JDOC. The data were drawn from three time periods: 1975-2003, 1980-2003, and 1990-2003. Methods – Journal Citation Identity was examined for the period 1990-2003. The analysis involved calculating the number of different journals represented by citations given by a journal in a publishing year. The resulting citation/citee ratio is indicative of diversity and extent of scholarly sources used by a journal. Journal Citation Identity was also examined by calculating the number of journal self-citations (in the period 1980 to 2003) as a proportion of the total number of citations given by the journal. A high rate of journal self-citations suggests introspection or isolation from other journals in its field. The content of the three journals was examined for the period 1973-2003 to determine the proportion of scientific content (i.e. articles, notes, reviews, and letters). Journal Citation Image was examined by calculating journal self-citations as a proportion of the citations given by other journals to the sample journal. The result signifies the degree of a journal’s visibility in its field. A second aspect of Journal Citation Image was investigated using the New Journal Diffusion Factor (N JDF). The N JDF was carried out for each year between 1975 and 2003 and calculated the average number of different journals that cite an article in a sample journal. A high number of different citing journals implies influence in the field. The N JDF for the sample journals was compared with their Journal Impact Factor (JIF) over the same period. Two further analyses of data gathered from 1990 to 2003 were conducted for the Journal of Documentation. The first identified journals most frequently co-cited with JDOC, an analysis that can locate a journal within or outside its field. Lastly, Internationalisation analyses were carried out for JDOC. Internationalisation relates to the geographic affiliations of authors of JDOC articles and of authors citing JDOC. Geographic affiliation was analysed using three classifications: affiliation in North America, Western Europe, or other geographic locations. Main results – Journal Citation Identity: JASIST was found to have the highest citation/citee ratio at 1.88, while JDOC and JIS had similar ratios of 1.50 and 1.44 respectively. This finding suggests JASIST draws its citations from fewer journals than JDOC and JIS. The scientific content of JDOC ranged from 18% to 50% in the period analysed, the lowest proportion of the three journals. All journals had seen a reduction in the proportion of journal self-citations over 23 years. Average journal self-citations for the period were 4.3% for JASIST, 3.9% for JDOC, and 3.4% for JIS. Journal Citation Image: The number of journal self-citations as a proportion of the total number of citations given to a journal was relatively stable for the three journals in the period 1991-2003. JASIST had a slightly higher rate at around 30%, the rate for JDOC was approximately 15%, and JIS showed the greatest variation ranging from 25% to 12%. In the years 1980 to 1990 JIS was found to have a much higher proportion of journal self-citations, spiking to over 85% in 1986. JDOC and JASIST self-cited at a rate that differed little over the full 1980 to 2003 period. The average N JDF for JDOC increased from just over 0.3 in 1975 to almost 0.5 in 2003. JIS had a steady average N JDF around 0.2 and JASIST an average of just over 0.3 in the same period. A comparison of the journals’ JIF in these years shows JIS is the only journal with an average JIF that is decreasing. The average JIF for JDOC and JASIST increased. JASIST was the most frequently co-cited journal with JDOC, followed by Information Processing and Management and JIS. Internationalisation: A large proportion of authors publishing in JDOC were affiliated with Western European institutions with a general trend showing decreasing numbers of authors from North America and other geographic areas. Authors citing JDOC were predominantly from North America in the 1990s, but by 2002 authors from Western Europe were citing JDOC in larger numbers. The proportion of citing authors from other regions remained steady at around 10% over the
机译：评论：Bonnevie-Nebelong，埃伦。 “期刊评估方法：期刊引文标识，期刊引文图像和国际化。” Scientometrics 66.2（2006年1月）：411-24。目的–对《文献杂志》（JDOC）进行大量引用分析，并将结果与​​《信息科学杂志》（JIS）和《美国信息科学技术学会杂志》（JASIST）的分析结果进行比较，以说明问题JDOC的功能。设计–文献计量研究。设置–图书馆和情报学期刊文献。样本–对JDOC的引用和对JDOC的引用进行了分析，并与JASIST和JIS的引用进行了比较。作者隶属关系数据是根据JDOC上发表的文章和引用JDOC的文章进行分析的。数据来自三个时间段：1975-2003、1980-2003和1990-2003。方法–研究了1990-2003年的期刊引证身份。该分析涉及计算出版年中期刊所引用的不同期刊的数量。得出的引文/引文比率表示期刊使用的学术资源的多样性和程度。还通过计算期刊自引次数（在1980年至2003年期间）占该期刊给出的引文总数的比例来检查“期刊引文身份”。期刊自引用率很高，这表明该领域的其他期刊会进行内省或孤立。对这三种期刊的内容在1973-2003年期间进行了检查，以确定科学内容（即文章，注释，评论和信函）的比例。通过计算期刊自身引文作为其他期刊对样本期刊的引文比例，来检查期刊引文图像。结果表明期刊在其领域中的知名度。使用新的期刊扩散因子（N JDF）研究了期刊引文图像的第二个方面。 N JDF在1975年至2003年之间每年进行一次，并计算出在样本期刊中引用某篇文章的不同期刊的平均数量。大量不同的引用期刊暗示了该领域的影响力。将样本期刊的N JDF与同期的期刊影响因子（JIF）进行了比较。 1990年至2003年对《文献杂志》进行了两次进一步的数据分析。最先与JDOC共同引用的已识别期刊，该分析可以将期刊定位在其领域之内或之外。最后，对JDOC进行了国际化分析。国际化涉及JDOC文章作者和引用JDOC的作者的地理位置。地理隶属关系使用三种分类进行了分析：北美，西欧或其他地理位置的隶属关系。主要结果–期刊引证身份：发现JASIST的引文/引文比率最高，为1.88，而JDOC和JIS的比率分别为1.50和1.44。这一发现表明，与JDOC和JIS相比，JASIST引用的期刊更少。在所分析的时期内，JDOC的科学含量从18％到50％不等，是三本期刊中最低的。在过去的23年中，所有期刊的自我引用比例都有所下降。在此期间，JASIST的平均期刊自引率为4.3％，JDOC为3.9％，JIS为3.4％。期刊引文图片：在1991-2003年期间，这三种期刊的期刊自引次数在被引用的期刊中所占比例相对稳定。 JASIST的比率略高一些，约为30％，JDOC的比率约为15％，而JIS则显示出从25％到12％的最大差异。在1980年至1990年间，发现JIS的期刊自引用率高得多，到1986年激增至85％以上。JDOC和JASIST的自引用率在1980年至2003年的整个期间几乎没有变化。 JDOC的平均N JDF从1975年的0.3上升到2003年的近0.5。JIS的平均N JDF稳定在0.2左右，而JASIST的平均N刚好在0.3以上。通过比较这些年来期刊的JIF，可以发现JIS是唯一JIF平均下降的期刊。 JDOC和JASIST的平均JIF增加。 JASIST是与JDOC一起被引用次数最多的期刊，其次是信息处理与管理和JIS。国际化：在JDOC中出版的大部分作者都与西欧机构有联系，总体趋势是，来自北美和其他地理区域的作者数量在下降。 1990年代，引用JDOC的作者主要来自北美，但到2002年，来自西欧的作者大量引用了JDOC。来自其他地区的引用作者的比例在2009年保持稳定在10％左右。

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