Search

The article "Comments on 'Worldwide research on extraction and recovery of cobalt through bibliometric analysis: a review'" by Zhou et al. discusses a study on cobalt extraction and recovery trends from 2012 to 2021. The study utilized a search strategy that yielded 4,989 articles, with 55% containing specified search keywords. The authors highlight the importance of employing appropriate search strategies for accurate scholarly contributions in the field of environmental science. The article emphasizes the need for precise data analysis and recommends incorporating additional search keywords for comprehensive bibliometric studies. [Extracted from the article]

The document "Comments on 'The economic impact of climate change: a bibliometric analysis of research hotspots and trends'" critiques a study by Chen et al. on the economic impact of climate change. The methodology used by Chen et al. was found to be inadequate for studying the economic impact of climate change, leading to irrelevant search results. Recommendations are made to improve search strategies in bibliometric studies to ensure accuracy and integrity in scholarly contributions. The data for the study was sourced from the Science Citation Index Expanded (SCI-EXPANDED) and Social Sciences Citation Index (SSCI) databases within the Web of Science Core Collection. Researchers interested in accessing or replicating the dataset are encouraged to consult the methodology section for precise search details. [Extracted from the article]

The article "Carbon neutrality: A comprehensive bibliometric analysis" by Zhang et al. explores the trends in carbon neutrality publications from 2006 to 2021 using the Web of Science Core Collection databases. The authors identified a total of 989 documents related to carbon neutrality, with 86% of them published in specific databases. However, discrepancies in the data analysis and search strategy employed by the authors raise concerns about the accuracy and integrity of the findings presented in the original paper. It is emphasized that future research should utilize rigorous and appropriate search strategies to maintain the standards of scholarly contributions in the field. [Extracted from the article]

This investigation deals with the bibliometric analysis of research trends and performances of Natural Gas (NG) in the Web of Science (WOS). Search keywords: "natural gas" and "natural gases" were utilized to explore the documents from 1991 to 2020. The results were refined by WOS category of energy and fuels. The journal impact factors (IF2020) are adapted from the Journal Citation Reports (JCR) published in 2020. Despite the huge number of original and review articles related to the NG-based systems, no bibliometric investigation of this field has been conducted to our knowledge. In order to track the scholarly trends and project results, a bibliometric investigation is the best tool. Microsoft Excel 2016 is utilized to collect and check the number of citations and the full record of SCI-EXPANDED of each document in each year. The evaluations indicated that the article type was the most popular, with an overall of 11,687 articles (91% of 12,837 documents). 99% of the articles were published in English, followed by German (70), Polish (44), French (22), Russian (14), and Japanese (5). Based on the citation assessment, the USA published the most top ten cited articles of the six articles; followed by Australia, China, Greece, Russia, Turkey, and the UK, one each. It was found that 5577 articles (49% of 11,288 articles) were published in a single institution while 5711 articles (51%) were inter-institutionally collaborative. Eventually, the trends of development of productive countries, citation life, main topics, and the number of NG papers are explored and the results are plotted in figures. The current bibliometric investigation illustrated the current outlook and future trends in the NG-based systems to simplify the knowledge exchange. [ABSTRACT FROM AUTHOR]

The machine learning (ML) paradigm has gained much popularity today. Its algorithmic models are employed in every field, such as natural language processing, pattern recognition, object detection, image recognition, earth observation and many other research areas. In fact, machine learning technologies and their inevitable impact suffice in many technological transformation agendas currently being propagated by many nations, for which the already yielded benefits are outstanding. From a regional perspective, several studies have shown that machine learning technology can help address some of Africa's most pervasive problems, such as poverty alleviation, improving education, delivering quality healthcare services, and addressing sustainability challenges like food security and climate change. In this state-of-the-art paper, a critical bibliometric analysis study is conducted, coupled with an extensive literature survey on recent developments and associated applications in machine learning research with a perspective on Africa. The presented bibliometric analysis study consists of 2761 machine learning-related documents, of which 89% were articles with at least 482 citations published in 903 journals during the past three decades. Furthermore, the collated documents were retrieved from the Science Citation Index EXPANDED, comprising research publications from 54 African countries between 1993 and 2021. The bibliometric study shows the visualization of the current landscape and future trends in machine learning research and its application to facilitate future collaborative research and knowledge exchange among authors from different research institutions scattered across the African continent. [ABSTRACT FROM AUTHOR]

In 153 documents (4.7% of 3235 documents), the authors do not mention any search keywords in their title, abstract, or author keywords. However, 110 documents (4.7% of 2337 documents) do not contain search keywords: "endangered plant" or "rare plant" in their title, abstract, or author keywords. Using improve search strategies as the search keywords used were: "endangered plant", "rare plant", "endangered plants", and "rare plants". [Extracted from the article]

A comment was made on a recent article titled "Bibliometrics of the nexus between food security and carbon emissions: Hotspots and trends" by Cheng et al. The comment argues that the search strategy used in the original article was inappropriate and resulted in the inclusion of irrelevant documents. The comment suggests a revised search strategy that would have been more suitable. The comment also highlights a significant difference in the number of publications retrieved compared to their own search strategy. The comment concludes by recommending that researchers carefully consider their search strategies and databases to ensure the credibility of bibliometric studies. [Extracted from the article]

Ambio is a leading journal in environmental science and policy, sustainable development, and human-environment interactions. The paper at hand aims to run a bibliometric analysis to inspect the main publications features of Ambio in Science Citation Index Expanded SCI-EXPANDED. For this scope, a bibliometric survey has been carried out to investigate the journal's historic characteristics in the Web of Science (WoS) categories of environmental sciences and environmental engineering for Ambio from 1980 to 2019. These are the categories for which the journal has been indexed throughout the indexed time frame. The paper proposes technical and methodological innovations, including improvements in the methods and original characteristics analyzed. Documents published in Ambio were searched out from SCI-EXPANDED. Six publication indicators were applied to evaluate the publication performance of countries, institutes, and authors. Three citation indicators were used to compare publications. As a parameter, the journal impact factor contributor was applied to compare the most frequently cited publications. The journal impact factor contributing publications were also discussed. Results show that Sweden ranked top in six publication indicators and that the top three productive institutes were located in Sweden. A low percentage of productive authors emerged as a journal impact factor contributor. Similarly, a low relationship between the IF contributing publications and the highly cited publications was also found. Less than half of the top 100 highly cited publications in Ambio did not lie within the high impact in most the recent year of 2019. Three members of the advisory board in Ambio were the main productive authors. T.V. Callaghan contributed to most of the publications while papers published by J. Rockstrom as first and corresponding author contributed the most to the journal impact factor. An article authored by Steffen et al. (2007) scored the highest total citations in 2019. [ABSTRACT FROM AUTHOR]

Background: Nonunion continues to be the most frequent and challenging complication to treat following fracture fixation. Herein, we carried out a bibliometric analysis aiming to identify the key researchers, centres and research trends developed during the past 30 years in this important clinical condition. Methods: The Science Citation Index Expanded database and the Web of Science Core Collection were interrogated for manuscripts published between 1990 and 2019 in the topic domain, utilising title, abstract, author keywords and KeyWords Plus. Overall, such citation indicators were used as TCyear, Cyear and CPPyear to help analyse the identified manuscripts. Results: Over the prespecified period, there was a steady increase in the number of articles published in fracture nonunion. In total, 12 languages were the primary languages in the documents, with English being the most prevalent. The CPP sharply increased to reach a plateau in three full years and up to a peak in ten full years. A total of 8976 nonunion-related articles in Science Citation Index Expanded (SCI-EXPANDED) were published in 790 journals. The 8976 articles were published by 26,079 authors among 101 different countries. There is a slightly fluctuating steady increase of articles from 116 in 1991 to 201 in 2003, and thereafter, the number of articles sharply increased to reach a plateau in 2015. Seven possible main research foci in nonunion-related research were identified including: epidemiology, classification, aetiology, diagnosis/prediction, treatment modalities, functional outcomes and health economics. Conclusions: This bibliometric analysis revealed information on citation number, publication outputs, categories, journals, institutions, countries, research highlights and tendencies. The current research activity on fracture nonunion identified key opinion leaders and leading research institutions focusing on this important clinical condition. It is hoped that the informed included will aid to guide research work in the foreseeable future. [ABSTRACT FROM AUTHOR]

The ongoing pandemic of the coronavirus disease 2019 (COVID-19) is a global health emergency. Thousands of articles have been published to tackle this crisis. Here, a bibliometric study of the publications in environmental studies has been conducted to identify the emerging research trends in this field in the era of COVID-19. Bibliometric analysis serves as a useful tool to evaluate research productivity and scholarly trends in a field. For this, publications were searched in nine environment-related subject categories indexed in Science Citation Index Expanded (SCI-EXPANDED) database of the Web of Science Core Collection. A bibliometric evaluation of 495 relevant documents was performed to identify various essential research indicators, including the type of the publication, the most prominent journals, subject categories, authors, institutions, and the countries, that contributed significantly to this theme. Major focus of this bibliometric study is to illustrate the potential research hotspots emerged during this pandemic. It has been found that significant amount of research has been conducted for the assessment of environmental quality and its contribution in environmental transmission of COVID-19. In addition to its positive impacts on environment, COVID-19 has contributed indirectly in worsening many environmental threats such as increased exposure to disinfectants and antimicrobials, poor solid waste management, and food insecurity. Researchers have also been focusing on the strategies for the planning of post-COVID-19 cities and buildings and to protect the ecology. This bibliometric study allowed the visualization of research agenda in the field of environmental studies during this pandemic. [ABSTRACT FROM AUTHOR]

Wang et al. ([18]) recently published a paper in I Environmental Science and Pollution Research i entitled "Research on sulfur oxides and nitric oxides released from coal-fired flue gas and vehicle exhaust: a bibliometric analysis." In fact, there is no "Science Citation Index (SCI), Web of Science" but the Science Citation Index Expanded (SCI-EXPANDED), Web of Science of Clarivate Analytics (formerly known as the Thomson Reuters and the Institute for Scientific Information). In the same section, Wang et al. ([18]) stated that "The research was conducted for the terms of sulfur oxides and nitric oxides within the publication years 1986 to 2011, with the specific search function (sulfur* OR nitric*) AND (flue gas OR exhaust*). [Extracted from the article]

Child sexual abuse (CSA) is a serious public health problem (Gilbert et al. in Lancet 373(9658):167–180, 2009a. 10.1016/S0140-6736(08)61707-9; Singh et al. in J Fam Med Prim Care 3(4):430–435, 2014. 10.4103/2249-4863.148139; Veenema et al. in Int J Nurs Stud 52(4):864–881, 2015. 10.1016/j.ijnurstu.2014.10.017) and a risk factor for child development (Barth et al. in Int J Public Health 58(3):469–483, 2013. 10.1007/s00038-012-0426-1). The present bibliometric analysis evaluated research performance and trends of CSA research from 1991 to 2017. The analysis was based on data extracted from Science Citation Index Expanded. The results revealed a progressive increase in the volume of indexed articles that sharply grows between 2009 and 2017. The majority of the papers analyzed were in the area of psychiatry. In total, these articles were published mostly in English and in 777 journals, the largest volume of articles were in the field of pediatrics. The journal authors come from 105 countries, with the United States ranking on the top in all bibliometrics indicators assessed, including number of articles produced by institution. Three thousand seven hundred and fourteen articles (3714) articles on CSA were utilized to calculate the Y-index for authors. From the authors, J.D. Bremner and G. Hornor have the highest contributions with a Y-index of 24 (0.7854). Other findings indicated that the peak of citations per publication occured in the 5th year. The most frequently cited and most impactful article was from Felitti et al. (Am J Prev Med 14(4):245–258, 1998. 10.1016/S0749-3797(98)00017-8). Six of the ten highly cited papers maintained their impact according to the 2017 citations. Data also revealed that research trends in the field of CSA can be clustered into 11 categories, with violence being the one that concentrates the greatest number of terms used in the papers. The three main hotspots are sexual abuse, maltreatment and sexual development. Lastly, this article discusses the type of research that contributes to the body of knowledge about CSA and the challenges this poses for the projection of future studies. [ABSTRACT FROM AUTHOR]

Using the methods mentioned in the five original articles by Ma et al. ([17]), Yang et al. ([24]), Zheng et al. ([26]), Zhang et al. ([25]), and Wu et al. ([23]) with "front page" as a filter, 3634 publications, 13,597 publications, 8386 articles, 3025 publications, and 71,704 publications were found in each of the articles respectively in Table 1. As a result, 2356 publications (65% of the 3634 publications), 1990 publications (15% of the 13,597 publications), 3445 articles (41% of the 8386 articles), 598 publications (20% of the 3025 publications), and 13,891 publications (19% of the 71,704 publications) did not include any searching keywords in their "front page." Similar comments were also stated in I Environmental Science and Pollution Research i (Ho [8]), I Renewable & Sustainable Energy Reviews i (Ho [10]), and I Journal of Soils and Sediments i (Ho [11]). 24 Yang S, Sui J, Liu T, Wu WJ, Xu SY, Yin LH, Pu YP, Zhang XM, Zhang Y, Shen B, Liang GY. [Extracted from the article]

Development and trend of global wind tunnel research from 1991 to 2014 were evaluated by bibliometric analysis. Based on the statistical data from Science Citation Index Expanded from Web of Science, publication performance of wind tunnel research was analyzed from various aspects, including publication output, category distributions, journals, countries, institutions, leading articles, and words analysis. The results show that scientific articles associated with wind tunnel increased dramatically, with Journal of Wind Engineering and Industrial Aerodynamics as the most productive journal. The USA has been leading in publication output since 1991, while China has become a new-rising force of wind tunnel research. NASA was the dominant institution in wind tunnel field which published most single institution articles and nationally and internationally collaborative articles. The citation lifecycles of the leading articles exhibited different patterns of their trends, but all reached a plateau in certain years. Based on synthesized analysis of title words, abstract words, author keywords, and KeyWords Plus, computational fluid dynamic (CFD) was found to be a hot issue, which needs experimental validation by wind tunnels. Wind loads and wind turbine also caused increasing attentions while lepidoptera and sex pheromone were less studied. In the wind tunnel articles, numerical simulation of CFD was increasingly mentioned while field measurement showed minor change, suggesting the rapid developments of CFD. [ABSTRACT FROM AUTHOR]

Wind tunnels have been widely employed in aerodynamic research. To characterize the high impact research, a bibliometric analysis was conducted on highly cited articles related to wind tunnel based on the Science Citation Index Expanded (SCI-EXPANDED) database from 1900 to 2014. Articles with at least 100 citations from the Web of Science Core Collection were selected and analyzed in terms of publication years, authors, institutions, countries/territories, journals, Web of Science categories, and citation life cycles. The results show that a total of 77 highly cited articles in 37 journals were published between 1959 and 2008. Journal of Fluid Mechanics published the most of highly cited articles. The USA was the most productive country and most frequent partner of internationally collaboration. The prolific institutions were mainly located in the USA and UK. The authors who were both first author and corresponding author published 88% of the articles. The Y index was also deployed to evaluate the publication characteristics of authors. Moreover, the articles with high citations in both history and the latest year with their citation life cycles were examined to provide insights for high impact research. The highly cited articles were almost earliest wind tunnel experimental data and reports on their own research specialty, and thus attracted high citations. It was revealed that classic works of wind tunnel research was frequently occurred in 1990s but much less in 2000s, probably due to the development of numerical models of computational fluid dynamic (CFD) in recent decades. [ABSTRACT FROM AUTHOR]

A bibliometric analysis based on the Science Citation Index Expanded from Web of Science was carried out to provide insights into research activities and trends of the environmental monitoring from 1993 to 2012. Study emphases covered publication outputs, language, categories, journals, countries/territories, institutions, words, and hot issues. The results indicated that the annual output of environmental monitoring publications increased steadily. The environmental sciences and analytical chemistry were the two most common categories. Environmental Monitoring and Assessment published the most articles. The USA and the UK ranked in the top two in terms of all five indicators. The U.S. Environmental Protection Agency took the leading position of the institutions in terms of publication output. The synthesized analysis by words in title, author keywords, and KeyWords Plus provided important clues for hot issues. Researchers paid more attention on water environment monitoring than other environmental factors. The contaminants including organic contaminants, heavy metal, and radiation were most common research focuses, and the organic contaminants and heavy metal of the degree of concern were gradually rising. Sensor and biosensor played an important role in the field of environmental monitoring devices. In addition to conventional device detection method, the remote sensing, GIS, and wireless sensor networks were the mainstream environmental monitoring methods. The international organization, social awareness, and the countries' positive and effective political and policies promoted the published articles. [ABSTRACT FROM AUTHOR]

Ammonia oxidation is the rate-limiting and central step in global biogeochemistry cycle of nitrogen. A bibliometric analysis based on 4314 articles extracted from Science Citation Index Expanded database was carried out to provide insights into publication performances and research trends of ammonia oxidation in the period 1991-2014. These articles were originated from a wide range of 602 journals and 95 Web of Science Categories, among which Applied and Environmental Microbiology and Environmental Sciences took the leading position, respectively. Furthermore, co-citation analysis conducted with help of CiteSpace software clearly illustrated that ammonia-oxidizing bacteria (AOB), ammonia-oxidizing archaea (AOA), and anaerobic ammonia oxidation (anammox) were three dominant research themes. A total of 15 landmark works identified with the highest co-citation frequencies at every 8 years were extracted, which demonstrated that the establishments of culture-independent molecular biotechnologies as well as the discoveries of anammox and AOA played the most significant roles in promoting the evolution and development of ammonia oxidation research. Finally, word cluster analysis further suggested that microbial abundance and community of AOA and AOB was the most prominent hotspot, with soil and high-throughput sequencing as the most promising ecosystem and molecular biotechnology. In addition, application of anammox in nitrogen removal from wastewater has become another attractive research hotspot. This study provides a basis for better understanding the situations and prospective directions of the research field of ammonia oxidation. [ABSTRACT FROM AUTHOR]

In an earlier paper we identified three 'sleeping beauties' in Psychology, that is three important papers that were not cited by others for many years before becoming much later citation classics. In this paper we identify the 'princes' that alerted psychologists to these 'sleeping beauties', and we show how new computer-based techniques now help us to locate princes as well as sleeping beauties. [ABSTRACT FROM AUTHOR]

What are the characteristics of scientific papers published in World War II, and what papers from World War II, if any, are highly cited today? This paper reports that 3767 publications from World War II have been cited at least 100 times since 1939-1945. The data show that the publication rates of scientific papers declined during World War II only to increase rapidly after it. The USA was the most prolific source of scientific publications during the war, and Harvard University was the most dominant institute. In addition, there were five 'Sleeping Beauties', that is papers that were published but rarely cited during the war but came into prominence at a much later date. [ABSTRACT FROM AUTHOR]

A 'Sleeping beauty' is a term used to describe a research article that has remained relatively uncited for several years and then suddenly blossoms forward. New technology now allows us to detect such articles more easily than before, and sleeping beauties can be found in numerous disciplines. In this article we describe three sleeping beauties that we have found in psychology-Stroop (J Exp Psychol 18:643-662, 1935), Maslow (Psychol Rev 50(4):370-396, 1943), and Simon (Psychol Rev 63(2):129-138, 1956). [ABSTRACT FROM AUTHOR]

This study aimed to identify and analyze the characteristics of the highly cited articles in Antarctic field using Science Citation Index Expanded from 1900 to 2012. Articles that have been cited more than 100 times since publication to 2012 were assessed. The analyzed aspects covered distribution of annual production, annual citations, journals, categories, countries/territories, institutions, authors, and research focuses and trends by words in title, author keywords, and KeyWords Plus. A total of 852 highly cited articles were published from 1959 to 2011, cited a mean number of 181 citations per article. Two famous journals: Nature and Science led 184 journals. Typically, the exploration of Antarctic needs multidisciplinary science, also involving more collaboration. The USA with the greatest manpower, took the lead position among 48 countries, while National Aeronautics and Space Administration of the USA and British Antarctic Survey of the UK were the two most productive institutions. European Project for Ice Coring in Antarctica Community was active in Antarctic research. Moreover, the comprehensive analysis of keywords revealed that sea ice, Southern Ocean, climate change, and ozone depletion were recent focuses and would receive more citations in the near future. In addition, citations in the first 3 years after publication ( TC ), in 2012 ( C ), and since publication to 2012 ( TC ), and citations per year of each article ( TCPY) were used to characterize the citation patterns and citation life of most cited articles. [ABSTRACT FROM AUTHOR]

A bibliometric analysis based on the related articles in the Science Citation Index Expanded database was conducted to gain insight into global trends and hot issues of metal-organic frameworks (MOFs). The word clusters of synthesis methods, MOFs' properties and potential applications and some representative MOFs with related supporting words in title, author keywords, abstract, along with KeyWords Plus were proposed to provide the clues to discover the current research emphases. Y index was introduced to assess the publication characteristics related to the number of first author and corresponding author highly cited articles. Top eight classic articles with total citations since publication to the end of 2014 more than 1000 times (TC > 1000) and top eight classic articles with citations in 2014 more than 165 times ( C > 165) were selected and assessed regarding distribution of outputs in journals, publications of authors, institutions, as well as their citation life cycles. Solvothermal (including hydrothermal) method and diffusion (slow evaporation) were used mostly to prepare MOFs. Series representative MOFs, as well as the corresponding composites or film (membrane) arose the wide interests from researchers due to their excellent performances. Among the various properties and potential applications of MOFs, adsorption (gas adsorption and liquid adsorption) took the lead, followed by catalysis (including photocatalysis), as a result of their ultrahigh porosity and even their catalytic property. The results of Y index analysis revealed that most highly cited articles in MOFs field were contributed by Yaghi, O.M. as corresponding author, who published 27 articles with TC (number of citations since its publication to the end of 2014) ≥100. Omar M. Yaghi, as corresponding author (reprint author), contributed most classic articles, which dealt with synthesis strategy of MOFs with high porosity and high capacity of gas storage. The remaining classic ones concerned to catalysis and drug delivery. These classic articles were published in four high impact journals. The analyses on citation life cycles of the classic articles with highest TC and C can help the researchers in MOFs related fields gain insight into their impact histories. [ABSTRACT FROM AUTHOR]

This study presents an analysis of environmental law research in the natural science and social science fields from a bibliometric perspective. Document type, publication language, annual output, and distributions of countries were quantitatively characterized and compared in the Science Citation Index Expanded (SCI-EXPANDED) and the Social Science Index (SSCI). The citation history of highly cited articles and word analysis were used to examine research tendencies and 'hotspots' in environmental law research. The results show that from 1992 to 2014 SCI-EXPANDED has published more research in environmental laws than SSCI except in 2011. The USA is the most productive country in both databases. Developing countries such as China, India, and Brazil are among the top 10 productive countries in SCI-EXPANDED, while in that of SSCI, China is the only developing country. The USA had the most frequent collaborations with other countries both in SCI-EXPANDED and SSCI; collaborations were more frequent in SSCI than in the SCI-EXPANDED. Words analysis reveals that 'sustainability', 'compliance', and 'environmental management' are key issues in SSCI, while articles in SCI-EXPANDED pay more attention to 'risk assessment', 'recycling', 'wastewater treatment', and 'temperature'. 'China' is a key issue in research in both natural science and social science field, which indicates the rapid development of environmental law research in China as well as the growing concerns of China's environmental law issues. [ABSTRACT FROM AUTHOR]

A research paper’s contribution exists not only in its originality and creativity but also in its continuity and development for research that follows. The reference section can play a key role to researchers who are interested in a paper’s statement or who would like to follow the study or find useful information from the paper. This section is as important as the core of a paper; however, it was easily to be ignored by the author. This comment offered information for citing original idea of methods, figures, and tables which Zhi et al. (Environ Earth Sci 74(7):6065–6075, 2015) used. It is also suggested that an author not only must be creative but also must be careful while writing in order to publish more valuable and papers more worthy of reading. [ABSTRACT FROM AUTHOR]

This paper presents a detailed chronological survey of papers published in the Web of Science category of dance from 1994 to 2013 based on Arts & Humanities Citation Index (A&HCI). An analysis of the research performance according to publication output, distribution of words in article title was carried out. Performances of authors, including total, single author, first author, and corresponding author publications were analyzed. The results indicated that annual output of the articles increased slightly. More document types were found in A&HCI database than in other Web of Science database. Dance Magazine published the most articles. Single-author article was the most-popular type of authorship. Editors were the dominant author. 'Ballet' is the main research topic in dance field. [ABSTRACT FROM AUTHOR]

This paper presents a bibliometric analysis of articles from the Republic of Serbia in the period 2006-2013 that are indexed in the Thomson Reuters SCI-EXPANDED database. Analysis included 27,157 articles with at least one author from Serbia. Number of publications and its characteristics, collaboration patterns, as well as impact of analyzed articles in world science will be discussed in the paper. The number of articles indexed by SCI-EXPANDED has seen an increase in terms of Serbian articles that is considerably greater than the increase in number of all articles in SCI-EXPANDED. Researchers from Serbia have been involved in researches presented in several articles which have significant impact in world science. Beside indicators which take into account number of publications of certain type and number of citations, the analysis presented in this paper also takes authorship into consideration. The most cited analyzed articles have more than ten authors, but there were no first and corresponding authors from Serbia in these articles [ABSTRACT FROM AUTHOR]

Book reviews have been published in psychology journals since 1900-and possibly before then. Approximately 200 such reviews were published each year until the 1950s and this number increased to nearly 600 before 1990. However, since then, the number of book reviews in psychology journals has reverted back to the current rate of approximately 200 a year. Whether or not this can be attributed to the measurement of impact factors is a moot point. [ABSTRACT FROM AUTHOR]

The 5,320 top cited articles published between 1902 and 2010 in thermodynamic field were identified and characterized using Science Citation Index Expanded. The analyzed aspects covered characteristics of languages, publication years, Web of Science categories, journals, countries/territories, institutions, and authors. These articles were cited a mean number of 210, ranging from 110 to 399 times, with most of the articles in the 1990s and 2000s. Journal of the American Chemical Society was the most productive journal, followed by Journal of Chemical Physics, and Physical Review Letters in 686 journals. Three topmost categories of the 130 Web of Science categories were multidisciplinary chemistry, biochemistry and molecular biology, and physical chemistry. The top cited articles originated from 1,936 institutions of 63 countries. Eight industrial countries: the USA, the UK, Germany, France, Canada, Japan, Italy, and Russia, took the lead with an overwhelming majority (87%), especially about three fifths for the USA. University of California, Harvard University, and Massachusetts Institution of Technology all from the USA led all the institutions. K.S. Pitzer, P.J. Flory (Nobel laureate), and P.A. Kollman advanced the development of thermodynamic field. Moreover, the most influential articles in the history and in the latest year with their citation life cycles were examined to provide some hints for research focuses and trends. Wigner function has been attractive and will probably continue to be popular in the thermodynamic field. Some emerging concerning related to frequency scale factors, OPLS all-atom force field, entanglement between two or more quantum objects, and some softwares including VAMP, NMRPipe, GRASP2, AutoDock, DMol, and Maxent are likely to receive more attention in the near future. [ABSTRACT FROM AUTHOR]

This paper presents a bibliometric analysis of articles from the Republic of Serbia in the period 2006-2012 that are indexed in the Thomson Reuters SCI-EXPANDED database. The Republic of Serbia is a small country in Europe with about seven million citizens that became an independent country in 2006. Since 2006, Serbian science has achieved some recognition. Analysis included 14,293 articles with authors all from Serbia. Distribution of published articles in the Web of Science categories, journals, scientific-research institutions and researchers were analysed. Most cited independent research articles from Serbia were also analysed. The Y-index indicator for rating the productivity of researchers and institutions was used. This indicator takes into account the contribution of the researcher to the published results. The results showed that the productivity of articles from Serbia is significant compared to neighbouring Serbian countries, taking into account the number of researchers in these countries, their GDPs and the percentages of GDPs spent on research. [ABSTRACT FROM AUTHOR]

Scientific co-authorship of African researchers has become a fashionable topic in the recent scientometric literature. Researchers are investigating the effects, modes, dynamics and motives of collaboration in a continental research system which is in an embryonic stage and in different stages of development from country to country. In this article we attempt to provide some additional evidence by examining both patterns of collaboration at country and continental levels and the scientific disciplines emphasised. Our findings indicate that the continent's research emphasises medical and natural resources disciplines to the detriment of disciplines supporting knowledge based economies and societies. Furthermore, we identify that the collaborative patterns in Africa are substantial higher than in the rest of the world. A number of questions related to research collaboration and its effects are raised. [ABSTRACT FROM AUTHOR]

A bibliometric analysis was conducted to evaluate the global scientific output of proteomics research in the Science Citation Index Expanded from 1995 to 2010. The document types, languages, journals, categories, countries, and institutions were analyzed to obtain publication patterns. Research focuses and trends were revealed by a word cluster method related to author keywords, title, abstract, and KeyWords Plus. Bradford's Law and the correlation between keywords and institutions were identified to look deeper into the nature works. Proteomics and Journal of Proteome Research published the most articles in proteomics research. The researchers focused on the categories of biochemical research methods, and biochemistry and molecular biology. The USA and Harvard University were the most productive country and institution, respectively, while China was the fastest-growing country due to the support by Chinese government. The distribution of author keywords provided the important clues of hot issues. Results showed that mass spectrometry and two-dimensional gel electrophoresis had been the most frequently used research methods in the past 16 years; and cancer proteomics had a strong potential in the near future. Furthermore, biologists contributed significantly to proteomics research, and were more likely to co-operate with medical scientists. [ABSTRACT FROM AUTHOR]

This study was designed to evaluate China's scientific output of chemical engineering in Science Citation Index Expanded in the Web of Science from 1992 to 2011. The document type, language, trend and collaboration patterns were analyzed, as well as the output of different journals. Distributions of article titles and abstracts, author keywords, KeyWords Plus of different periods, and the most cited articles were studied to figure out the research focuses and trends. Chinese Journal of Catalysis, Industrial & Engineering Chemistry Research, and Chinese Journal of Chemical Engineering published most of Chinese articles in the area of chemical engineering. The Chemical Engineering Department of Tsinghua University, Zhejiang University, Tianjin University, and East China University of Science and Technology were the top four institutions that published most articles in China. This study showed that adsorption, photocatalysis and synthesis have been the hot points of research in the past two decades, while ionic liquid tends to be the new area of special interest in future. Pseudo-second order model for sorption processes is getting more and more popular with great influence since its publication. In addition, the ratio of institutional independent articles: nationally collaborative articles: internationally collaborative articles has been developed to compare different institutions' publication characteristics. [ABSTRACT FROM AUTHOR]

This study aimed to identify and analyze characteristics of classic articles published in the Web of Science social work subject category from 1856 to 2011. Articles that have been cited at least 50 times were assessed regarding publication outputs, distribution of outputs in journals, publications of authors, institutions, countries as well as citation life cycles of articles with the highest total citations since its publication up to 2011 and the highest citations in 2011. Five bibliometric indicators were used to evaluate source countries, institutions, and authors. Results showed that 721 of the most highly referenced articles, published between 1957 and 2008, had been cited at least 50 times. Child Abuse & Neglect and American Journal of Community Psychology published the most classic articles. USA produced 89 % of classic articles and also published the most number of single, internationally collaborative, first author, and corresponding author classic articles. The top 38 productive institutions were all located in the US. The University of Illinois was the most productive institution for the total classic articles while University of California, Los Angeles produced the most inter-institutionally collaborative articles and Arizona State University published the most single institution articles. Furthermore, a new indicator, Y-index was successfully applied to evaluate publication characteristics of authors and institutions. High percentage of authors had the same numbers of first author and corresponding author status of classic articles in social work field. [ABSTRACT FROM AUTHOR]

The characteristics of wetland research were investigated by a bibliometric analysis of the top-cited wetland-related articles since 1899 based on the Science Citation Index Expanded database. The analyzed aspects included the distribution of journals, and publications by country, institution, and author, with five indicators including total articles, and independent, collaborative, first-author, and corresponding-author articles. Results showed that 188 articles on wetlands have been cited at least 100 times since their publication year to 2011. The most productive stage was 1991-2000, accounting for approximately seven-tenths of the top-cited articles. The US was the leading country, followed distantly by 25 other countries/territories. The US also held primacy in terms of productive institutions. The US Geological Survey ranked first according to the five indicators. The 188 top-cited articles had 637 authors, among whom W.J. Mitsch published the most first-author and corresponding-author articles. Furthermore, substance circulation (especially of carbon), wetland organisms and vegetation, and modeling methodology were the main focuses of wetland research in the past few years. In 2011, wetland organisms and vegetation were the hottest research topics. These results were coincident with a previous study on total publications, and revealed more-specific characteristics and hotspots of wetland research. [ABSTRACT FROM AUTHOR]

The institutionally independent publications of Tsinghua University and Peking University were compared by two main indicators namely peak-year citations per publication and h-index, based on the data extracted from the Science Citation Index Expanded, Web of Science from 1974 to 2011. Analyzed aspects covered total publication outputs, annual production, impact, authorships, Web of Science categories, journals, and most cited articles. Results shows that the two universities were in the same scale based on the peak-year citations per publication, the h-index, and top cited articles with no less than 100 citations. Publication of the top three most productive Web of Science categories differed between these two universities. Tsinghua University published more articles in applied science and engineering fields, while Peking University had more basic science articles. In addition, article life was applied to compare the impact of the most cited articles and single author articles of the two universities. [ABSTRACT FROM AUTHOR]

This study aimed to identify and analyze the characteristics of the top-cited articles published in the Science Citation Index Expanded from 1991 to 2010. Articles that have been cited more than 1,000 times since publication to 2010 were assessed regarding their distribution in indexed journals and categories of the Web of Science. Five bibliometric indicators were used to evaluate source institutions and countries. A new indicator, the Y-index, is proposed to assess publication quantity and the character of contribution to articles. We identify 3,652 top-cited articles with 71 % originating from US. The fourteen most productive institutions were all located in US. Science, Nature, New England Journal of Medicine, and Cell hosted the most cited publications. In addition, the Y-index was successfully applied to evaluate the publication character of authors, institutions, and countries. [ABSTRACT FROM AUTHOR]

To provide an overview of the characteristics of research in China, a bibliometric evaluation of highly cited papers with high-level representation was conducted during the period from 1999 to 2009 based on the Essential Science Indicators (ESI) database. A comprehensive assessment covered overall performance, journals, subject categories, internationally collaborative countries, national inter-institutionally collaborative institutions, and most-cited papers in 22 scientific fields. China saw a strong growth in scientific publications in the last decade, to some extent due to increasing research and development expenditure. China has been more active in ESI fields of chemistry and physics, but more excellent in materials science, engineering and mathematics. Most publications were concerned with the common Science Citation Index subject categories of multidisciplinary chemistry, multidisciplinary materials and science, and physical chemistry. About one half China's ESC papers were internationally collaborative and the eight major industrialized countries (the USA, Germany, the UK, Japan, France, Canada, Russia, and Italy) played a prominent role in scientific collaboration with China, especially the USA. The Chinese Academy of Sciences took the leading position of institutions with many branches. The '985 Project' stimulated the most productive institutions for academic research with a huge funding injection and the universities in Hong Kong showed good scientific performance. The citation impact of internationally collaborative papers differed among fields and international collaborations made positive contributions to academic research in China. [ABSTRACT FROM AUTHOR]

The Essential Science Indicators (ESI) database is widely used to evaluate institutions and researchers. The objective of this study was to analyze trends and characteristics of papers in the subject category of water resources in the ESI database of the Institute for Scientific Information (ISI). Distributions of document type, language of publication, scientific output, and publication of journals are reported in this article. Five indicators (the number and ranking of total papers, first-author papers, corresponding-author papers, independent papers, and collaborative papers) were applied to evaluate country, institute, and author performances. In addition, the numbers of authors cited, numbers of institutes cited, numbers of countries cited, and numbers of subject areas cited were also used to evaluate ESI papers. Results showed that 265 papers, all written in English, were listed in 27 journals in the field of water resources. A review paper was more likely to be included in the ESI than a research paper. Journal of Hydrology published the most papers. The USA and UK were the two leading nations. ESI papers published in the US were more likely to involve inter-institutional collaboration than papers published in the UK. The University of Arizona was the most productive institute. Some papers that were almost excluded from the ESI database appear to have consistently received annual high frequencies of citation. Perhaps the 10 year criterion for inclusion in the ESI should be reassessed. [ABSTRACT FROM AUTHOR]

This paper presents a detailed chronological survey of papers published in the journal titled Water Research which started publication since 1967. This current investigation reviews publication patterns between 1967 and 2008. An analysis of the research performance according to publication output, distribution of words in article title, author keywords, and keywords plus. Performances of countries, institutes, and authors, including total, single, collaborative, first author, and corresponding author publications were analyzed. The most-frequently cited articles each year and the articles of the highest impact in 2008 were also reported. Results showed that “activated sludge” was the most frequently used author keyword, followed by “adsorption,” and “drinking water.” Authors from 114 different countries/territories published in the journal, with the most articles submitted by authors from the USA. [ABSTRACT FROM AUTHOR]

This study explores a bibliometric approach to quantitatively assessing current research trends on volatile organic compounds, by using the related literature in the Science Citation Index (SCI) database from 1992 to 2007. The articles acquired from such literature were concentrated on the general analysis by scientific output, the research performances by countries, institutes, and collaborations, and the research trends by the frequency of author keywords, words in title, words in abstract, and keywords plus. Over the past years, there had been a notable growth trend in publication outputs, along with more participation and collaboration of countries and institutes. Research collaborative papers had shifted from the national inter-institutional to the international collaboration. Benzene, toluene, and formaldehyde were the three kinds of VOCs concerned mostly. Detection and removing, especially by adsorption and oxidation, of VOCs were to be the orientation of all VOCs research in the next few years. [ABSTRACT FROM AUTHOR]

Li et al. ([10]) recently published a paper in the journal, entitled "Dynamic analysis of international green behavior from the perspective of the mapping knowledge domain." In total, 26,605 and 25 documents were found by using searching keywords (green behaviour) and ("green behaviour") respectively. After our pre-study, searching keywords "green behaviour", green behaviours", green behavioural", "green behavior", "green behaviors", and "green behavioral" should be considered for "Dynamic analysis of international green behavior from the perspective of the mapping knowledge domain.". [Extracted from the article]

Ma et al. ([12]) recently published a paper in this journal entitled "Past, current, and future research on microalga-derived biodiesel: A critical review and bibliometric analysis". However, Ma et al. ([12]) considered keywords in titles and abstracts, as well as keywords which included author keywords and I KeyWords Plus i . In total, 1545 searched documents (43% of 3631 documents) unrelated to "microalga-derived biodiesel" were searched out because of using the searching tool in Web of Science without any further data treatment. Similar comments have also been published in I Environmental Earth Sciences i (Ho [5]), I Scientometrics i (Ho [6]), I Journal of Cleaner Production i (Fu and Ho [2]), and I Environmental Science and Pollution Research i (Ho [9]). [Extracted from the article]

Homeopathy has been applied to clinical use since it was first presented 200 years ago. The use of the bibilometric analysis technique for examining this topic does not exist in the literature. The objective of this study is to conduct a bibliometric analysis of all homeopathy-related publications in Science Citation Index (SCI). A systematic search was performed using the SCI for publications during the period of 1991 to 2003. Selected documents included ‘Homoeopathy, Homoeopathic, Homeopathy, or Homeopathic’ as a part of the title, abstract, or keywords. Analyzed parameters included authorship, patterns of international collaboration, journal, language, document type, research address, number of times cited, and reprint author’s address. Citation analysis was mainly based on the impact factor as defined by the Journal Citation Reports (JCR) and on citations per publications (CPP), which is used to assess the impact relative to the entire field and is defined as the ratio between the average numbers of citations per publications in a certain period. Of total articles, 49% had a single author. The UK, the US, and Germany produced 71% of the total output, while European countries as a whole also contributed 65% of the total share of independent publications. English remains the dominant language, it comprised only 76%, while German contributed 18%, and the remaining where distributed among 8 European languages. More document types and languages, and fewer pages have appeared in homeopathy research. 3.5% of papers were cited more than 10 times in three years after publication, and 60% were never cited. Small-group collaboration was a popular method as co-authorship. The top 3 ranking countries of publication were the UK, the US, and Germany. The US dominated citation followed by the UK, and then Germany. In addition, a simulation model was applied to describe the relationship between the cumulative number of citations and the paper life. [ABSTRACT FROM AUTHOR]

Abstract  This study presents a literature review concerning the preciseness of over 170 publications citing the original Lagergren's paper in kinetics equation for solute adsorption on various adsorbents. This equation applies to a range of solid-liquid systems such as metal ions, dyestuffs and several organic substances in aqueous systems onto various adsorbents. The main objectives are to manifest different forms of citations presented and offers a correct reference style for citing the original Lagergren's paper published in 1898. [ABSTRACT FROM AUTHOR]