共查询到20条相似文献，搜索用时 31 毫秒
1.
期刊引用认同指标在期刊评价中的适用性分析 总被引：1，自引：1，他引：0
论文以CSSCI图书情报领域的18种期刊为例,以这些期刊在2009年全年登载论文的参考文献为研究对象,从CSSCI数据库中获取数据,统计分析各期刊的引用认同。结果显示:期刊引用认同指标(引文量、篇均引文量、英文引文比、期刊引用广度、自施引率、引用半衰期、期刊集中因子、认同期刊影响力等指标)与CSSCI来源期刊定量与定性评价指标并不明显相关,但这类指标可以反映期刊载文的内容特征与偏好、对国外科学文献和对其他学科文献的利用程度、期刊的办刊定位、学科的发展模式等等,在综合评价期刊方面具有一定意义。 相似文献
2.
Borja González-Pereira Vicente P. Guerrero-Bote Félix Moya-Anegón 《Journal of Informetrics》2010,4(3):379-391
A size-independent indicator of journals’ scientific prestige, the SCImago Journal Rank (SJR) indicator, is proposed that ranks scholarly journals based on citation weighting schemes and eigenvector centrality. It is designed for use with complex and heterogeneous citation networks such as Scopus. Its computation method is described, and the results of its implementation on the Scopus 2007 dataset is compared with those of an ad hoc Journal Impact Factor, JIF(3y), both generally and within specific scientific areas. Both the SJR indicator and the JIF distributions were found to fit well to a logarithmic law. While the two metrics were strongly correlated, there were also major changes in rank. In addition, two general characteristics were observed. On the one hand, journals’ scientific influence or prestige as computed by the SJR indicator tended to be concentrated in fewer journals than the quantity of citation measured by JIF(3y). And on the other, the distance between the top-ranked journals and the rest tended to be greater in the SJR ranking than in that of the JIF(3y), while the separation between the middle and lower ranked journals tended to be smaller. 相似文献
3.
A new size-independent indicator of scientific journal prestige, the SJR2 indicator, is proposed. This indicator takes into account not only the prestige of the citing scientific journal but also its closeness to the cited journal using the cosine of the angle between the vectors of the two journals’ cocitation profiles. To eliminate the size effect, the accumulated prestige is divided by the fraction of the journal's citable documents, thus eliminating the decreasing tendency of this type of indicator and giving meaning to the scores. Its method of computation is described, and the results of its implementation on the Scopus 2008 dataset is compared with those of an ad hoc Journal Impact Factor, JIF(3y), and SNIP, the comparison being made both overall and within specific scientific areas. All three, the SJR2 indicator, the SNIP indicator and the JIF distributions, were found to fit well to a logarithmic law. Although the three metrics were strongly correlated, there were major changes in rank. In addition, the SJR2 was distributed more equalized than the JIF by Subject Area and almost as equalized as the SNIP, and better than both at the lower level of Specific Subject Areas. The incorporation of the cosine increased the values of the flows of prestige between thematically close journals. 相似文献
4.
《The Journal of Academic Librarianship》2020,46(5):102223
The aim of this paper is to identify the most prevailing trends of research and publishing in the field of Library and Information Science (LIS) based on the publications of the past five years. The study follows a complex methodology. First, the scope of the journals to be analysed were defined, using the results of the Scimago Journal Rank (SJR) from the period between 2013 and 2017, and then their most cited articles were selected based on Web of Science (WoS) data. During the selection process we performed a comparative analysis of the journals as well, involving several criteria, to be able to finally choose 632 articles, published between 2014 and 2018 to be included in our research sample. We then examined (1) the authors occurring most frequently, (2) the most often cited articles, (3) the institutions with the highest publication activity, (4) the most common topics based on titles, keywords, and abstracts, and (5) the connections between all of the above. The results of the analyses provide an international overview and assessment of the leading research topics and the most prominent representatives of LIS, all of which are directly connected to the notion and the activities of academic libraries. 相似文献
5.
通过对《贵图学刊》(1999-2010)发文的被引情况,分别从论文被引年代分布、频次分布、被引期刊分布、高频被引论文分布和高频作者分布五个方面进行了分析,从而揭示了《贵图学刊》研究的现状。 相似文献
6.
期刊评价指标SJR、JIF和H指数的关系研究 总被引：4，自引：1，他引：3
7.
以被引频次、H指数、相对H指数为评价指标,对国内10种图书馆学核心期刊,重点对H指数最高的《中国图书馆学报》和《大学图书馆学报》的论文作者进行评价。结果发现《中国图书馆学报》、《大学图书馆学报》的H指数、相对H指数、被引频次和最高被引频次均在我国图书馆学期刊中名列前茅,拥有高素质作者群,所载论文综合质量高,说明这两种期刊及相关作者具有较高的学术影响力。 相似文献
8.
Yu-Wei Chang 《Library & information science research》2018,40(2):125-134
This bibliometric analysis explores the interdisciplinary characteristics of library and information science (LIS) from the perspective of interdisciplinary LIS authors. Articles published in non-LIS journals by LIS authors between 2005 and 2014 and indexed by the Web of Science database formed the basis for analysis. The results showed that interdisciplinary LIS authors published articles in numerous disciplines; a largest number of articles were found in medical and music journals. Over half of the articles published by these authors were not LIS-related and were primarily singly-authored articles and articles coauthored by LIS and non-LIS authors. Most articles coauthored by only LIS authors involved LIS-related topics. Interdisciplinary LIS authors preferred to publish by themselves. The majority of interdisciplinary authors were academic librarians. Interdisciplinary LIS authors most frequently collaborated with other LIS authors, followed by authors from the field of medicine. Although interdisciplinary LIS authors are a minority, they are active in expanding the visibility of LIS. 相似文献
9.
10.
运用文献计量学的方法,选取2004-2013年《中国图书馆学报》中的1272篇学术论文作为研究对象,从载文量、被引情况、核心作者、核心机构、引文期刊及被引期刊等方面进行统计分析,旨在从侧面反映近十年我国图书馆学研究的一些特点和发展规律。 相似文献
11.
《Journal of Informetrics》2014,8(2):369-383
Subject classification arises as an important topic for bibliometrics and scientometrics, searching to develop reliable and consistent tools and outputs. Such objectives also call for a well delimited underlying subject classification scheme that adequately reflects scientific fields. Within the broad ensemble of classification techniques, clustering analysis is one of the most successful.Two clustering algorithms based on modularity – the VOS and Louvain methods – are presented here for the purpose of updating and optimizing the journal classification of the SCImago Journal & Country Rank (SJR) platform. We used network analysis and Pajek visualization software to run both algorithms on a network of more than 18,000 SJR journals combining three citation-based measures of direct citation, co-citation and bibliographic coupling. The set of clusters obtained was termed through category labels assigned to SJR journals and significant words from journal titles.Despite the fact that both algorithms exhibited slight differences in performance, the results show a similar behaviour in grouping journals. Consequently, they are deemed to be appropriate solutions for classification purposes. The two newly generated algorithm-based classifications were compared to other bibliometric classification systems, including the original SJR and WoS Subject Categories, in order to validate their consistency, adequacy and accuracy. In addition to some noteworthy differences, we found a certain coherence and homogeneity among the four classification systems analysed. 相似文献
12.
《期刊图书馆员》2012,62(1-2):38-48
ABSTRACTThis article presents a thorough bibliometric analysis of research published in Annals of Library and Information Studies (ALIS), an India-based journal, for the period 2011–2017. Specifically, it compares this journal’s trends with those of other library and information science (LIS) journals from the same geographical area (India, and Asia as a whole) and with the 10 highest-rated LIS journals worldwide. The source of the data used was the multidisciplinary database Scopus. To perform this comparison, ALIS’ production was analyzed in order to identify authorship patterns; for example, authors’ countries of residence, co-authorship trends, and collaboration networks. Research topics were identified through keyword analysis, while performance was measured by examining the number of citations articles received. This study provides substantial information. The research lines detected through examining the keywords in ALIS articles were determined to be similar to those for the top LIS journals in both Asia and worldwide. Specifically, ALIS authors are focusing on metrics, bibliometrics, and social networking, which follows global trends. Notably, however, collaboration among Asia-based journals was found to be lower than that in the top-indexed journals in the LIS field, showing lesser internationalization. The results obtained present a roadmap for expanding the research in this field. 相似文献
13.
谈《中国图书馆学报》的办刊特色 总被引：4，自引：0，他引：4
《中国图书馆学报》在办刊过程中遵循理论联系实际的办刊宗旨。其栏目具有鲜明性和稳定性 ;坚持“理论实践化 ,实践理论化”的选稿、用稿原则 ;严格执行图书馆学期刊编辑规范。近几年《学报》的引文量、被引率 ,以及被转载数量和影响因子等质量指标都在不断上升。参考文献 5。 相似文献
14.
The journal impact factor (JIF) has been questioned considerably during its development in the past half-century because of its inconsistency with scholarly reputation evaluations of scientific journals. This paper proposes a publication delay adjusted impact factor (PDAIF) which takes publication delay into consideration to reduce the negative effect on the quality of the impact factor determination. Based on citation data collected from Journal Citation Reports and publication delay data extracted from the journals’ official websites, the PDAIFs for journals from business-related disciplines are calculated. The results show that PDAIF values are, on average, more than 50% higher than JIF results. Furthermore, journal ranking based on PDAIF shows very high consistency with reputation-based journal rankings. Moreover, based on a case study of journals published by ELSEVIER and INFORMS, we find that PDAIF will bring a greater impact factor increase for journals with longer publication delay because of reducing that negative influence. Finally, insightful and practical suggestions to shorten the publication delay are provided. 相似文献
15.
引文分析法是图书馆学、情报学的专门研究方法。利用文献计量学（Bibliometries）的引文分析法（citation analysis method）,对《津图学刊》1998－2001年所刊载论文的引文量、引文语种、引文类型、引文年代、引文期刊、引文著者等诸多方面进行了统计与分析,以期为本刊作者合理利用文献提供依据。 相似文献
16.
《Journal of Informetrics》2014,8(1):181-196
The journal impact factor (JIF) reported in journal citation reports has been used to represent the influence and prestige of a journal. Whereas the consideration of the stochastic nature of a statistic is a prerequisite for statistical inference, the estimation of JIF uncertainty is necessary yet unavailable for comparing the impact among journals. Using journals in the Database of Research in Science Education (DoRISE), the current study proposes bootstrap methods to estimate the JIF variability. The paper also provides a comprehensive exposition of the sources of JIF variability. The collections of articles in the year of interest and in the preceding years both contribute to JIF variability. In addition, the variability estimate differs depending on the way a database selects its journals for inclusion. In the bootstrap process, the nested structure of articles in a journal was accounted for to ensure that each bootstrap replication reflects the actual citation characteristics of articles in the journal. In conclusion, the proposed point and interval estimates of the JIF statistic are obtained and more informative inferences on the impact of journals can be drawn. 相似文献
17.
18.
The study explores the publication trends of scholarly journal articles in two core Library and Information Science (LIS) journals indexed under ScienceDirect Database during the period for the period 2000–2010, and for the “Top 25 Hottest Papers” for 2006–2010. It examines and presents an analysis of 1000 research papers in the area of LIS published in two journals: The International Information & Library Review (IILR) and Library & Information Science Research (LISR). The study examines the content of the journals, including growth of the literature, authorship patterns, geographical distributions of authors, distribution of papers by journal, citation pattern, ranking pattern, length of articles, and most cited authors. Collaboration was calculated using Subramanyam's formula, and Lotka's law was used to identify authors' productivity. The results indicated that authors' distributions did not follow Lotka's law. The study identified the eight most productive authors with a high of 19 publications in this field. The findings indicate that these publications experienced rapid and exponential growth in literature production. The contributions by scientists from India are examined. 相似文献
19.
The study explores the publication trends of scholarly journal articles in two core Library and Information Science (LIS) journals indexed under ScienceDirect Database during the period for the period 2000–2010, and for the “Top 25 Hottest Papers” for 2006–2010. It examines and presents an analysis of 1000 research papers in the area of LIS published in two journals: The International Information & Library Review (IILR) and Library & Information Science Research (LISR). The study examines the content of the journals, including growth of the literature, authorship patterns, geographical distributions of authors, distribution of papers by journal, citation pattern, ranking pattern, length of articles, and most cited authors. Collaboration was calculated using Subramanyam's formula, and Lotka's law was used to identify authors' productivity. The results indicated that authors' distributions did not follow Lotka's law. The study identified the eight most productive authors with a high of 19 publications in this field. The findings indicate that these publications experienced rapid and exponential growth in literature production. The contributions by scientists from India are examined. 相似文献