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Patterns of Connections and Movements in Dual-Map Overlays: A New Method of Publication Portfolio Analysis

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  • College of Computing and Informatics, Drexel University

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Portfolio analysis of the publication profile of a unit of interest, ranging from individuals, organizations, to a scientific field or interdisciplinary programs, aims to inform analysts and decision makers about the position of the unit, where it has been, and where it may go in a complex adaptive environment. A portfolio analysis may aim to identify the gap between the current position of an organization and a goal that it intends to achieve or identify competencies of multiple institutions. We introduce a new visual analytic method for analyzing, comparing, and contrasting characteristics of publication portfolios. The new method introduces a novel design of dual-map thematic overlays on global maps of science. Each publication portfolio can be added as one layer of dual-map overlays over two related but distinct global maps of science, one for citing journals and the other for cited journals. We demonstrate how the new design facilitates a portfolio analysis in terms of patterns emerging from the distributions of citation threads and the dynamics of trajectories as a function of space and time. We first demonstrate the analysis of portfolios defined on a single source article. Then we contrast publication portfolios of multiple comparable units of interest, namely, colleges in universities, corporate research organizations. We also include examples of overlays of scientific fields. We expect the new method will provide new insights to portfolio analysis.
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... Citespace software was used to analyze and generate the journal double citation map, co-citation journal clustering map, and co-citation journal timeline map. For specific drawing methods, see the research of Citespace developer Chen [26,27]. VOSviewer aided in creating the keyword spatio-temporal map and keyword clustering hotspot map [28]. ...
... Moreover, it is crucial for researchers to dynamically and intuitively analyze and assess the variations in research between different disciplines within this research field. However, this issue can be effectively addressed by utilizing double-layered thematic overlays on a global scientific map and examining the characteristics of publication combinations from both spatial and temporal perspectives [26]. Therefore, we used Citespace to generate a double map of meat preservation research. ...
... both spatial and temporal perspectives [26]. Therefore, we used Citespace to generate a double map of meat preservation research. ...
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Meat plays a significant role in human diets, providing a rich source of high-quality protein. With advancements in technology, research in the field of meat preservation has been undergoing dynamic evolution. To gain insights into the development of this discipline, the study conducted an analysis and knowledge structure mapping of 1672 papers related to meat preservation research within the Web of Science Core Collection (WOSCC) spanning from 2001 to 2023. And using software tools such as VOSviewer 1.6.18 and CiteSpace 5.8.R3c allowed for the convenient analysis of the literature by strictly following the software operation manuals. Moreover, the knowledge structure of research in the field of meat preservation was synthesized within the framework of “basic research—technological application—integration of technology with fundamental research,” aligning with the research content. Co-cited literature analysis indicated that meat preservation research could be further categorized into seven collections, as well as highlighting the prominent role of the antibacterial and antioxidant properties of plant essential oils in ongoing research. Subsequently, the future research direction and focus of the meat preservation field were predicted and prospected. The findings of this study could offer valuable assistance to researchers in swiftly comprehending the discipline’s development and identifying prominent research areas, thus providing valuable guidance for shaping research topics.
... In addition, as shown in Figure 3, we developed an overlay journals dual-map using Citespace software to analyze the association of subject categories of METTL3 mediated methylation of m6A. (10) Citing journals are on the left, cited journals are on the right, and colored paths indicate citation relationships. The thicker the colored path, the more references. ...
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Background: Many studies have demonstrated the role of METTL3 and other proteins in the N6-adenylate methylation(m6A) of RNA. It plays a role in many diseases such as cancer and tumor. However, there is a lack of comprehensive and objective reports on m6A. Therefore, this study aims to visualize the publications to quantify and determine the current status and trends of m6A with METTL3 as the catalytic core in the past two decades. Methods: Relevant studies published between 1 January 2000 and 24 November 2022 in English were retrieved from the Web of Science Core Collection. We used four scientometric tools (Citespace v6.1.R2, VOSviewer, Scimago Graphica and Microsoft Excel 2019) to quantify and identify the individual impact and cooperation information by analyzing annual publications, the collaboration of authors, co-citation of authors, source, journals and references, cluster and co-occurrence of keywords. Results: A total of 1349 publications were retrieved and showed a rapid upward trend. Among the top ten journals and the top ten co-cited journals, there are many top journals and their sub journals such as NATURE, CELL, SCIENCE, which indicates the fruitful results in this field. China has the highest publications, while the United States has the most significant academic influence. Chinese researchers have a keen interest in this research field, and high-yield institutions, authors and publications account for most of the ranking. It can be seen from co-cited references and reference burst that the research on biomarker, diagnosis, RRID, YTHDC1, hepatitis B virus, osteogenic differentiation and other aspects has sprung up and continues. The research of m6A pays more attention to its significance in different diseases, such as inflammation and cancer, in addition to its mechanism and role in cells. Conclusion: METTL3 mediated m6A has achieved fruitful results at the cellular and molecular levels. The research in this field is moving from the exploration of molecular mechanism to the refinement of inflammation, cancer and other diseases, and researchers also pay special attention to its clinical application value. As a biomarker or target, METTL3 is likely to play a role in disease early warning, prognosis prediction and treatment goals.
... The wavy lines depict the citation links. The color represents the disciplinary clustering of the journal [23]. From Fig. 8, we can see the two most dominant paths (green path). ...
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Background The presence of residual cardiovascular risk is an important cause of cardiovascular events. Despite the significant advances in our understanding of residual cardiovascular risk, a comprehensive analysis through bibliometrics has not been performed to date. Our objective is to conduct bibliometric studies to analyze and visualize the current research hotspots and trends related to residual cardiovascular risk. This will aid in understanding the future directions of both basic and clinical research in this area. Methods The literature was obtained from the Web of Science Core Collection database. The literature search date was September 28, 2022. Bibliometric indicators were analyzed using CiteSpace, VOSviewer, Bibliometrix (an R package), and Microsoft Excel. Result A total of 1167 papers were included, and the number of publications is increasing rapidly in recent years. The United States and Harvard Medical School are the leading country and institution, respectively, in the study of residual cardiovascular risk. Ridker PM and Boden WE are outstanding investigators in this field. According to our research results, the New England Journal of Medicine is the most influential journal in the field of residual cardiovascular risk, whereas Atherosclerosis boasts the highest number of publications on this topic. Analysis of keywords and landmark literature identified current research hotspots including complications of residual cardiovascular risk, risk factors, and pharmacological prevention strategies. Conclusion In recent times, global attention toward residual cardiovascular risk has significantly increased. Current research is focused on comprehensive lipid-lowering, residual inflammation risk, and dual-pathway inhibition strategies. Future efforts should emphasize strengthening international communication and cooperation to promote the comprehensive evaluation and management of residual cardiovascular risk.
... In the final part of the article, the conclusion of the historical path was based on a journal perspective, from which the projection of future trends was presented. A dual-map overlay is a new method for portfolio analysis that represents the overall dataset in the context of a global science map generated based on over 10,000 journals with Blondel clustering configuration (Chen and Leydesdorff 2014). It can characterize the science field on a macroscopic scale and track the historical movement of scientific frontiers from both sources and targets of citations (the trajectory). ...
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Antibiotics are one of the greatest inventions in human history and are used worldwide on an enormous scale. Besides its extensive usage in medical and veterinary arenas to treat and prevent the infection, its application is very prominent in other fields, including agriculture, aquaculture, and horticulture. In recent decades, the increased consumption of antibiotics in China saw a vast increase in its production and disposal in various environments. However, in this post-antibiotic era, the abuse and misuse of these valuable compounds could lead to the unreversible consequence of drug resistance. In China, antibiotics are given a broad discussion in various fields to reveal their impact on both human/animals health and the environment. To our knowledge, we are the first paper to look back at the development trend of antibiotic-related studies in China with qualitative and quantitative bibliometric analysis from the past decades. Our study identified and analyzed 5559 papers from its inception (1991) to December 6, 2021, from the Web of Science Core Collection database. However, with few authors and institutions focusing on long-term studies, we found the quality of contributions was uneven. Studies mainly focused on areas such as food science, clinical research, and environmental studies, including molecular biology, genetics and environmental, ecotoxicology, and nutrition, which indicate possible primary future trends. Our study reports on including potentially new keywords, studies’ milestones, and their contribution to antibiotic research. We offer potential topics that may be important in upcoming years that could help guide future research.
... The biplot overlay's-colored trails connecting journal groupings highlight the connection between citing and cited journals in terms of citations, providing insights into the citation trajectory and information flow. [31] In the field of Medicine/Medical/Clinical, articles often reference journals from the fields of Sports/Rehabilitation/Sport, Health/Nursing/ analysis. [18] Figure 6A and B, as well as Table 4, display the terms with the highest co-occurrence. ...
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Rheumatoid arthritis (RA) is a prolonged multifactorial autoimmune disease of unknown etiology. With the global population aging, the incidence of RA is increasing, highlighting the need for more effective treatments. Exercise interventions have been recognized as safe and effective for managing pain, improving function, and reducing fatigue in RA patients. However, the existing literature in this field lacks a thorough, organized, and clear line of analysis. In this study, we conducted a comprehensive analysis of the 20-year literature on exercise interventions for RA, aiming to identify hotspots and cutting-edge trends. Our objective is to provide subsequent researchers with valuable ideas and references. Using Cite Space, VOS viewer, and R-bibliometrix software for visualization and analysis, we compiled the main dataset from the web of science database, consisting of 1790 articles on exercise interventions in RA published between 2000 and 2023. Among these articles, the United States contributed the highest number of papers (433), while Karolinska Institutet ranked first institutionally with 90 papers. The study focused on the keyword’s quality of life, cardiovascular disease, aerobic exercise, social support, psychology, and multidisciplinary care. The research highlighted the importance of clinical efficacy studies that investigate different types of exercise modalities (cardiorespiratory aerobic, resistance, aquatic, and neurological) either alone or in combination, to improve pain and function and reduce cardiovascular disease risk in patients with RA. Additionally, sedentary behavior, fatigue, and multidisciplinary care were identified as potential areas for further research. Overall, this study provides a scientific perspective on exercise interventions for RA and offers valuable insights for academics, funding organizations, and policymakers.
... In the figure on the left, the ellipse represents the number of publications corresponding to each journal and shows the ratio of authors to publications, the length of the ellipse represents the number of authors, and the width of the ellipse represents the number of publications (the more papers a journal publishes, the longer the vertical axis of the ellipse; the larger the number of authors, the longer the horizontal axis of the ellipse) [62]. The curves between the left and right parts of the map are citation links, and the trajectory of these links provides an understanding of the interdisciplinary relationships in the field. ...
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With the rapid development of digital technology, the smart sensor-based container equipment and intelligent logistics operations contribute to achieving the efficiency improvement and sustainability achievement of container supply chain under the IoT-based logistics 4.0 scenarios. This paper tries to study the state-of-the-art knowledge of the container logistics supply chain management motivated by digital techniques. Through data-driven analysis this review is performed to assist researchers and practitioners to better understand the container logistics management. The integrated research framework is designed by developing a bibliometric analysis study to address the research themes of the container logistics era. The related publications from the Web of Science database from 2003 to 2022 were indexed and 2897 reference samples are collected as the research data. In addition, the VosViewer is adopted to portray the network, co-occurrence, and co-word analysis by visualizing the collaborative relationships of collected samples. The results show that digital technology has been widely applied in container logistics supply chain management practices, contributing to resilience and sustainability improvement by intelligent operations. These research findings are also helpful for researchers by providing a deep penetrating insight into research opportunities and great potentials of container logistics supply chain by innovative digital technology-enabled practices.
... The labels on the left side of the dual map indicate the journals that are citing, while the labels on the right side indicate the journals being cited. The citation context is visually represented by a colored curve connecting the citing map to the cited map (Chen and Leydesdorff, 2013). Based on the dual-map overlay (Figure 6), two primary citation paths were observed. ...
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