H-index Values Research Articles

The Modified h-Index of Scopus: A New Way in Fair Scientometrics

The h-index of Scopus is used as an important and practical instrument in analyzing the scientific level of researchers. In this research, 6 effective items (including author’s order, quality of publication source, quality of citation source, type of citation, research scopes of the authors and the regular scope of citation source) were considered in order to increase the accuracy and equity of research and also the optimization of scientometrics. In order to find the actual impact of each item, a relation with a default coefficient was considered, and all effective items were presented after evaluating the influence of them on the desired coefficients. Here, the introduced effective factors were separately investigated for 20 Iranian authors who are randomly selected. The analysis of the results showed that by applying the effective factors, the h-index of authors was obtained on the basis of real and scientific criteria; thus, the mean of all effective factors is introduced as modified h-index. Among considered authors, the lowest reduction in h-index was 10.67% and the highest reduction was 37.25% (SD was 6.5). This reduction was obtained in comparison with their h-index of Scopus, and it demonstrates that the authors, who have less reduction in their h-index value, have more scientific and honest approach to research.

Investigating global trends in paraquat intoxication research from 1962 to 2015 using bibliometric analysis.

Paraquat is considered to be the main pesticide involved in accidental and intentional poisoning, and is responsible for a high rate of morbidity and mortality. The aim of this study is to present a comprehensive bibliometric analysis of paraquat intoxication-related research. Data was retrieved in March 2017 from the Scopus database. An overview of the research on paraquat intoxication was presented alongside the information related to several bibliometric indicators, such as research trends, countries with their h-index, collaboration, hot issues, top-cited publications, journals, and institutions. There were 1971 publications related to paraquat intoxication in the Scopus database that were published between 1966 and 2015. There was increasing research output in the field of paraquat intoxication during the period 2006-2015. The USA published the highest number of publications (n = 338), followed by Japan with 228 publications, and China with 159 publications. The USA and the UK achieved the greatest h-index values (h-index values of 49 and 31, respectively). The USA also achieved the highest number of publications involving international collaboration, with 55 publications, followed by the UK, with 18 publications. The most prevalent topics in this field were "acute paraquat intoxication," "toxic effects of paraquat to the lung," and "mechanism of paraquat toxicity." Although a substantial amount of research has been produced on paraquat intoxication for most developed countries, there are research gaps regarding the international research agenda in this research area. The findings could be applied for prioritizing and organizing future research efforts related to paraquat toxicity.

Productivity of CNPq Researchers from Different Fields in Biomedical Sciences: The Need for Objective Bibliometric Parameters-A Report from Brazil.

In Brazil, the CNPq (National Council for Scientific and Technological Development) provides grants, funds and fellowships to productive scientists to support their investigations. They are ranked and categorized into four hierarchical levels ranging from PQ 1A (the highest) to PQ 1D (the lowest). Few studies, however, report and analyse scientific productivity in different sub-fields of Biomedical Sciences (BS), e.g., Biochemistry, Pharmacology, Biophysics and Physiology. In fact, systematic comparisons of productivity among the PQ 1 categories within the above sub-fields are lacking in the literature. Here, the scientific productivity of 323 investigators receiving PQ 1 fellowships (A to D levels) in these sub-fields of BS was investigated. The Scopus database was used to compile the total number of articles, citations, h-index values and authorship positions (first-, co- or last-listed author) in the most cited papers by researchers granted CNPq fellowships. We found that researchers from Pharmacology had the best performance for all of the parameters analysed, followed by those in Biochemistry. There was great variability in scientific productivity within the PQ 1A level in all of the sub-fields of BS, but not within the other levels (1B, 1C and 1D). Analysis of the most cited papers of PQ 1(A-D) researchers in Pharmacology revealed that the citations of researchers in the 1C and 1D levels were associated with publications with their senior supervisors, whereas those in the 1B level were less connected with their supervisors in comparison to those in 1A. Taken together, these findings suggest that the scientific performance of PQ 1A researchers in BS is not homogenous. In our opinion, parameters such as the most cited papers without the involvement of Ph.D. and/or post-doctoral supervisors should be used to make decisions regarding any given researcher's fellowship award level.

Practical recommendations for managing hemolyzed samples in clinical chemistry testing.

We suggest here a pragmatic approach for managing results of clinical chemistry testing in hemolyzed samples collected from adults/older children, attempting to balance the need to produce quality laboratory data with clinical urgency of releasing test results. Automatic measurement of the hemolysis index (H-index) in serum or plasma is highly advisable, whilst low-quality assessment of this test remains less good than a visual inspection. Regarding its practical use, when the H-index value does not generate an analytically significant bias, results can be released, whilst when the value is associated with analyte variation in a range between analytically and clinically significant bias (i.e. variation does not exceed the reference change value [RCV]), results of hemolysis-sensitive tests can be released in association with a comment describing the direction in which data are potentially altered, suggesting the need to collect another sample. When the H-index is associated with analyte variation exceeding clinically significant bias (i.e. variation exceeds the RCV), results of hemolysis-sensitive tests should be suppressed and replaced with a comment that biased results cannot be released because the sample is preanalytically compromised and advising the recollection of another sample. If H-index values reach an even higher critical cut-off (i.e. H-index corresponding to a cell-free hemoglobin concentration ≥10 g/L), all laboratory data may be unreliable and should hence be suppressed and replaced with a comment that all data cannot be released because the sample is grossly hemolyzed, also suggesting the recollection of another sample. Due to inaccuracy and imprecision, the use of corrective formulas for adjusting data of hemolysis-sensitive tests is discouraged.

Predicting scientific impact based on h-index

Predicting the future impact of a scientist/researcher is a critical task. The objective of this work is to evaluate different h-index prediction models for the field of Computer Science. Different combinations of parameters have been identified to build the model and applied on a large data set taken from Arnetminer comprised of almost 1.8 million authors and 2.1 million publications’ record of Computer Science. Machine learning prediction technique, regression, is used to find the best set of parameters suitable for h-index prediction for the scientists from all career ages, without enforcing any constraint on their current h-index values with R 2 as a metric to measure the accuracy. Further, these parameters are evaluated for different career ages and different thresholds for h-index values. Prediction results for 1 year are really good, having R 2 0.93 but for 5 years R 2 declines to 0.82 on average. Hence inferred that prediction of h-index is difficult for longer periods. Predictions for the researchers having 1 year experience are not precise, having R 2 0.60 for 1 year and 0.33 for 5 years. Considering scientists of different career ages, average R 2 values for researchers having 20–36 years of experience were 0.99. For the researches having different h-index values, researchers having low h-index were difficult to predict. Parameters set comprising of current h-index, average citations per paper, number of coauthors, years since publishing first article, number of publications, number of impact factor publications, and number of publications in distinct journals performed better than all other combinations.

Scientist impact factor (SIF): a new metric for improving scientists' evaluation?

The publication of scientific research is the mainstay for knowledge dissemination, but is also an essential criterion of scientists' evaluation for recruiting funds and career progression. Although the most widespread approach for evaluating scientists is currently based on the H-index, the total impact factor (IF) and the overall number of citations, these metrics are plagued by some well-known drawbacks. Therefore, with the aim to improve the process of scientists' evaluation, we developed a new and potentially useful indicator of recent scientific output. The new metric scientist impact factor (SIF) was calculated as all citations of articles published in the two years following the publication year of the articles, divided by the overall number of articles published in that year. The metrics was then tested by analyzing data of the 40 top scientists of the local University. No correlation was found between SIF and H-index (r=0.15; P=0.367) or 2 years H-index (r=-0.01; P=0.933), whereas the H-index and 2 years H-index values were found to be highly correlated (r=0.57; P<0.001). A highly significant correlation was also observed between the articles published in one year and the total number of citations to these articles in the two following years (r=0.62; P<0.001). According to our data, the SIF may be a useful measure to complement current metrics for evaluating scientific output. Its use may be especially helpful for young scientists, wherein the SIF reflects the scientific output over the past two years thus increasing their chances to apply to and obtain competitive funding.

The Scholarly Influence of Orthopaedic Research According to Conventional and Alternative Metrics: A Systematic Review.

Researchers are experiencing an innovative shift toward online distribution of their work, and metrics related to online scholarly influence are gaining importance. Our objectives were to determine which types of online activity are most prevalent in orthopaedics, to identify associated factors, and to explore a complementary approach to measuring overall scholarly influence using online activity and conventional citations. We performed a systematic review of randomized controlled trials of surgical or nonsurgical interventions in participants with, or at specific risk for, injuries and diseases of the musculoskeletal system. We collected data on online activity in social media, mainstream media, blogs, forums, and other sources from a commercial provider of alternative metric data for medical journals. We tested associations with use of negative binomial regression. We identified 1,697 trials, published between 2011 and 2014, that had a total of 12,995 conventional citations and 15,068 online mentions. The median number of online mentions of each trial was 2 (interquartile range, 0 to 5). Twitter (82%) and Facebook (13%) mentions were the most prevalent types of online activity. Counts of online mentions correlated with conventional citations (r = 0.11, p < 0.01) but accumulated more rapidly. Higher total counts of online mentions were consistently associated with longer time since publication, higher journal impact factor, higher author h-index values, and less risk of bias (p < 0.01 for each). We found the best model fit for a complementary approach by weighting citations and online mentions equally. Online activity in orthopaedics is dominated by activity on Twitter and Facebook and is associated with increasing time since publication, journal impact factor, and author h-index values, and less risk of bias. Institutions, publishers, funding agencies, and clinicians may consider a complementary approach to measuring scholarly influence that weights online mentions and conventional citations equally.

The h-Index of Editorial Board Members Correlates Positively With the Impact Factor of Sports Medicine Journals

Background:The h-index is a metric widely used to present both the productivity and impact of an author’s previous publications.Purpose:To evaluate and observe any correlations among the h-indices of 2015 editorial board members from 8 top sports medicine journals.Study Design:Systematic review.Methods:The sex, country of residence, degree, and faculty position of the editorial board members were identified using their respective scientific publication profiles. The h-index and other bibliometric indicators of these editorial board members were obtained using both the Web of Science (WoS) and Google Scholar (GS) databases. Nonparametric statistics were used to analyze differences in h-index values, and regression models were used to assess the ability of the editorial board member’s h-index to predict their journal’s impact factor (IF).Results:A total of 422 editorial board members were evaluated. The median h-index of all editors was 20 (interquartile range [IQR], 19) using GS and 15 (IQR, 15) using WoS. GS h-index values were 1.19 times higher than WoS, with significant correlation between these values (r 2 = 0.88, P = .0001). Editorial board members with a PhD had significantly higher h-indices than those without (GS, P = .0007; WoS, P = .0002), and full professors had higher h-indices than associate and assistant professors (GS, P = .0001; WoS, P = .0001). Overall, there were significant differences in the distribution of the GS (P < .0001) and WoS (P < .0001) h-indices of the editorial board members by 2014 IF of the journals. Both the GS h-index (β coefficient, 0.01228; 95% CI, 0.01035-0.01423; P < .0001) as well as the WoS h-index (β coefficient, 0.01507; 95% CI, 0.01265-0.01749; P < .0001) of editorial board members were significant predictors of the 2014 IF of their journal.Conclusion:The h-indices of editorial board members of top sports medicine journals are significant predictors of the IF of their respective journals.

An Interview with Giuseppe Argenziano: An Insight into the field of Dermoscopy

Giuseppe Argenziano speaks to Sebastian Dennis-Beron, Commissioning Editor: Giuseppe Argenziano is Full Professor and Head of the Dermatology Unit at the University of Campania, Naples, Italy. His main research field is dermato-oncology. He is an author of numerous scientific articles and books concerning dermoscopy, a new technique improving the clinicians detection of benign and malignant skin tumors. As a coordinator of a Skin Cancer Unit, he has established a successful tertiary, multidisciplinary, referral center particularly devoted to the diagnosis and management of patients with skin tumors. Over the past 20 years he has supervised over 100 foreign students and 40 residents in dermatology, established scientific collaborations with more than 200 colleagues from more than 30 nations, and organized more than 50 national and international scientific activities, courses and conferences (such as the Consensus Net Meeting on Dermoscopy and the First Congress of the International Dermoscopy Society). He is co-founder and past president of the International Dermoscopy Society; project leader for the development of a high diagnostic technology oncologic center at the Arcispedale Santa Maria Nuova IRCCS in Reggio Emilia; faculty member of the Master of Science in Dermoscopy and Preventive Dermato-oncology and has undertaken a short course in dermoscopy, two e-learning courses by the Medical University of Graz and by Cardiff University, respectively; and member of the Editorial Board of the Journal of the American Academy of Dermatology. Professor Argenziano has authored more than 400 full scientific articles and produced landmark primary publications and books in the field of dermoscopy. Over the past 20 years, he has been invited as speaker and/or chairman in more than 500 national and international conferences in the field of dermatology. His combined publications have received a sum total of more than 8000 citations with an h-index value of 46.

Global toxocariasis research trends from 1932 to 2015: a bibliometric analysis

BackgroundToxocariasis is a highly prevalent parasitic disease in the tropical regions of the world, with its impact on public health being typically underestimated. To better recognise the trends and characteristics of toxocariasis research, this study is a bibliometric analysis of the global toxocariasis research.MethodsSearches were completed on April 5, 2016, using the Scopus database. A search without any language restriction was performed to extract publications dealing with toxocariasis. Terms related to toxocariasis were used to perform a title keyword search.ResultsA total of 2765 publications comprising 11 document types and published between 1932 and 2015 were included in the analysis. Articles were the most popular document form, accounting for 83.62% of all publications, followed by letters (3.80%) and reviews (3.4%). The annual number of research publications increased from 30 in 1980 to 111 in 2015, indicating that the number of publications on toxocariasis has increased slowly over the past 35 years. The United States of America and Japan are the predominant countries of origin, with 303 articles and 207 articles, respectively, followed by Brazil and the United Kingdom, with 180 (6.5%) each. The h-index for all the publications was 60. The highest h-index were for publications from the United Kingdom (h-index value = 43) and the United States (h-index value = 39); these two countries were also involved with the highest number of international collaborations, with 27 and 28 countries, respectively.ConclusionsDeveloped countries, including the United States, Japan, the United Kingdom, France, Germany and Italy, are the world’s leaders in toxocariasis research, contributing to more than 34% of the total published literature. In addition, developing countries, such as Brazil, Poland, Argentina and India, showed a noticeable increase in published papers on toxocariasis research in recent years. A push for more collaboration is needed to achieve a superior research strategy related to toxocariasis at the global level from the viewpoint of epidemiological data, clinical aspects, medical ecology, molecular aspects and treatment practices associated with toxocariasis.

Global Research Trends in Lithium Toxicity from 1913 to 2015: A Bibliometric Analysis.

Lithium salts have been used to treat psychiatric disorders since the 1940s and are currently used in prophylaxis and treatment of depression and bipolar disorder. Therefore, we conducted this study to assess lithium toxicity-related publications using bibliometric approaches from a health point of view to assess global research trends in the lithium toxicity field to offer guidance to future research in this field. The data were retrieved from the online version of Scopus database on 6 August 2016. All records with the term 'lithium' in the title were retrieved, and those related to lithium toxicity were evaluated. There were a total of 1241 publications related to lithium toxicity published from 1913 to 2016. Articles (971 or 78.2%) were the most common type, followed by letters (179 or 14.4%) and reviews (61 or 4.9%). The annual publication of articles increased slightly after 1950 and the total number of publications related to lithium toxicity fluctuated with three peaks occurred in 1978, 1985 and 2014. The USA was the predominant country (25.38%), followed by the UK (7.82%), France (6.85%) and Canada (3.55%). Denmark had the highest productivity of publication after standardization by gross domestic product and population size. The average number of citations per article was 9.24, and the h-index for all publications in the field of lithium toxicity was 46. The highest h-index value was achieved by the USA (31) followed by the UK (21) and Canada (13). The Lancet was the highest ranked journal with 27 articles, followed by American Journal of Psychiatry with 23 articles. This study provides a bibliometric analysis on the global research trends in lithium toxicity studies during 1913-2015. There has been a progressive increase in the number of publications related to lithium toxicity published in the last decade, and most of the studies related to lithium toxicity arose from the USA and the UK.

Making Use of H-index: the Shape of Science at the University of Sarajevo.

Introduction:Quantifying science and scientific contribution has become one of the main tasks in evaluating researchers and their impact. How do we value research and science in Bosnia and Herzegovina (BIH)? Scientific community has mostly agreed upon that one of the best ways to value researchers is through their h-index value. However, there are many databases and services from which h-index can be retrieved.Aim:To describe different databases and services such as Google Scholar, Web of Science, Scopus and Researchgate in evaluating the researcher. An additional aim of this paper is to present “the shape” of science at the University of Sarajevo and to examine what are the best predictors of h-index.Materials and methods:We analyzed the data from 100 Google Scholar Profiles of researchers from University of Sarajevo.Results:The study showed some benefits and shortcomings of mentioned databases and services. Most researchers in the sample were from natural sciences, in particular from the field of medicine. The mean value of h-index in relation to the researcher’s gender was not statistically significant. We conclude the article with some ideas on how to improve the visibility of researchers from BIH.

A bibliometric analysis of research productivity of emergency medicine researchers in South Korea.

ObjectiveDuring the past 20 years, over 1,400 doctors have been certified as emergency physicians in Korea. The number of scientific publications in the field of emergency medicine has also increased. This study aims to evaluate the research productivity of academic emergency physicians in South Korea.MethodsArticles published from 1996 to 2015 by authors affiliated with Korean emergency departments were retrieved using Pubmed, Embase, and Web of Science. Research productivity was analyzed quantitatively to ascertain the number of articles for publication type and year. The performance of these articles was also analyzed qualitatively using impact factor, citation number, and Hirsch index. Bibliometric analysis was performed by researching Web of Science, Scopus, and Google Scholar.ResultsA total of 858 articles with 293 Korean authors as the first or corresponding authors were published across 191 journals. The number of publications increased continuously. The most common publication type was original article (n=618), the most commonly studied research topic was resuscitation medicine (n=110), and the average impact factor of the original articles was 2.158. The highest h-index was 17 and, using Web of Science, the maximum number of citations was found to be 85.ConclusionThis study suggests that the research productivity of Korean authors in the emergency medicine field has progressed steadily during the last 10 years. However, qualitative indexes, such as the number of citations and h-index value, remain low.

Identification of conversion factor for completing-h index for the field of mathematics

In 2005 Hirsch introduced h-index to evaluate the research output of researchers. This had initiated a debate in the scientific community. Many researchers have evaluated the feasibility of h-index in different scientific domains. Some remained successful while others criticized the effectiveness of h-index in the domains they evaluated. After a decade of this proposal, Dienes critically evaluated the original h-index and have claimed that h index lacks something intrinsic in its definition. Subsequently Dienes introduced a conversion factor based on entire community of one domain to complete the definition of h index. Dienes has not evaluated the conversion factor on actual data; rather they have just proposed mathematical formulations. The aim of our research is to calculate that factor for the field of Mathematics and then after computing completing-h value for all the authors in this community, we have compared our results with h-index (original) and g-index values considering award winners as benchmark. We found out that complete-h contributes positively and shows comparatively better results than h-index and g-index. In top 1000 authors ranked according to these indices 95 award winners were found in complete-h, 76 were found in h-index and 64 were found when authors were ranked according to g-index.

High-Impact Social Work Scholars

Objective: The purpose of this study was to identify and describe the bibliometric contributions of high-impact social work faculty. Methods: Toward this end, we used a sample comprising fellows ( N = 143) affiliated with the Society for Social Work and Research (SSWR) and the American Academy of Social Work and Social Welfare (AASWSW). To quantify impact, we relied primarily upon the h-index (a measure of lifetime scholarly impact) and the m-index (which adjusts for career length). Results: Analyses revealed the mean h-index value for SSWR fellows ( M = 26.44, SD = 14.72) was substantially lower than the mean for AASWSW fellows ( M = 32.52, SD = 15.96), but minimal differences existed in m-index values. H- and m-index values for the 40 highest impact scholars ranged, respectively, from 33 to 93 and 1.13 to 3.33. Conclusions: The results indicate the social work profession includes many researchers who are making an exceptional scientific impact.

Global research trends of Middle East respiratory syndrome coronavirus: a bibliometric analysis.

BackgroundMiddle East respiratory syndrome coronavirus (MERS-CoV) is a virus that causes severe viral pneumonia in humans, known to have a high mortality rate and a similarity in clinical symptoms with severe acute respiratory syndrome coronavirus. It was first isolated in Kingdom of Saudi Arabia (KSA) in 2012 and after that, MERS-CoV exhibited outbreaks in several regions of the world. This study aimed to assess the characteristics of publications involving MERS-CoV at global level by using a bibliometric analysis.MethodsScopus database was searched on March 4, 2016 for MERS-CoV publications published between 2012 and 2015. It was performed on the same day in order to avoid the possible bias came from update on the database because the metrics are changing over time. All publication types were considered; however publications as errata were excluded. Analysis parameters include year of publication, publication type, patterns of international collaboration, research institutions, journals, impact factor, h-index, language, and times cited.ResultsA total of 883 MERS-CoV research publications were published across the world. The MERS-CoV-associated publications were originated from 92 countries/territories, indicating the international spread of MERS-CoV research. The USA was the largest contributor, with 319 articles published over 4 years, followed by KSA (113 articles). The total number of citations for these publications has already achieved 8,015, with an average of 9.01 citations per each publication. The h-index for MERS-CoV-associated publications was 48. The USA also have the highest h-index (32), followed by KSA (26) and UK (22). Netherland produced the greatest proportion of publications with international research collaboration (72.7 %) followed by the UK (71 %) and Germany (69.1 %) out of the total number of publications for each country.ConclusionsThere is a rapid increase in research activities related to MERS-CoV from 2012 to 2015. This study demonstrates that the MERS-CoV related literature has grown to be more extensive and global over the past 4 years. The bulk of publications in the field of MERS-CoV research are published by high-income countries such as the USA. Furthermore, the USA, the UK and KSA may have higher quality of articles according to the value of h-index.

PROFIL GOOGLE SCHOLAR DOSEN UIN SYARIF HIDAYATULLAH JAKARTA BERBASIS WEBOMETRICS

This research aims to obtain an overview of the profiles of lecturers based on webometrics, a general description of webometrics-based facilities at UIN Jakarta, and the profiles of the lecturers on Google Scholar. The method used in this study is a survey method, especially in taking the respondents as a data source. In presenting the data, this study uses descriptive analysis method which illustrates the results obtained from the survey of the profiles of FITK (Faculty of Education and Teachers Training) lecturers on Google Scholar. The study was conducted within a period of 6 months (April 1st to September 31st, 2015). List of Ranks shows the number of permanent lecturers (civil servants) of FITK UIN Jakarta is 163 lecturers. Nevertheless, after conducting a tracking study, there are 35 lecturers only who already have a profile account on Google Scholar. Out of 35 lecturers, only 19 lecturers have values in citations, h-index, and h10-index. Prof. Dr. Abuddin Nata, M.A. is the most prolific and most widely cited lecturer on Google Scholar in the Faculty of Education and Teachers Training (FITK) of UIN Jakarta. His scientific works have been cited 1600 times in other works. He has also the highest h-index value, 17 (seventeen), and the highest i10-index, 21 (twenty one).

Use of H-Index and Other Bibliometric Indicators to Evaluate Research Productivity Outcome on Swine Diseases.

H-index is the most commonly applied tool to evaluate scientific productivity. In this study, the use of the H-index to evaluate scientific production in swine veterinary medicine was explored. A database of 137 pig infectious agents was constructed, including its taxonomic division, zoonotic potential, status as emerging pathogen and whether it was OIE-listed. The H-index and the total number of citations were calculated for those pathogens, the location of the affiliation of the first author of each paper included in the H-index core was registered and, for the ten pathogens with the highest H-index, evolution over time was measured. H-index values were compared to the M quotient, A-index, G-index, HG-index and the G/H ratio. H-indices were found to be severely affected by search accuracy and the database was hand curated. Swine pathogen H-indexes were highly dispersed ranging from 0 to 106 and were generally higher for pathogens causing endemic diseases in large pig producing countries. Indeed, the three top pathogens were Escherichia coli, Porcine reproductive and respiratory syndrome virus and Porcine circovirus type 2 with H-indices 106, 95 and 85, respectively. H-indices of viruses and bacteria were significantly higher (P<0.001) than other pathogen types. Also, non-zoonotic pathogens had higher H-indices than zoonotic pathogens (p<0.009) while no differences could be found for being listed by the OIE. For emerging diseases, only non-emerging viruses had higher H-index (p = 0.02). The study of H-indexes over time revealed three general patterns and that they had increased mainly after the 1980’s. As expected, there were strong geographic patterns in terms of authorship and North America (38%) and Europe (46%) coped the majority of the papers. Finally, in order to quantify the contribution of a subject to a specific field, a new index “Deciphering Citations Organized by Subject” (Dcos) is proposed.

Light-Trap Catch of Heart and Dart (Agrotis exclamationis Linnaeus) in Connection with the Hourly Values of Geomagnetic H-Index

We deal in this paper with light trapping results of the Heart and Dart (Agrotis exclamationis Linnaeus, 1758 Lepidoptera: Noctuidae), depending on the horizontal component of the geomagnetic field (H-index). We calculated relative catch vales from the hourly collecting individuals of examined species by generation. These hourly relative catch values were classified to the hourly values of H-index. These hourly catch results were correlated to the hourly values of H-index. We calculated correlations to demonstrate the supposed relationship between the two data. Our results suggest that more effective light trap catch belongs to higher H-index values.

Os Anais da Academia Brasileira de Ciências e a pesquisa científica no Brasil: estudo exploratório com base no índice-h

Estudo exploratório realizado no periódico Anais da Academia Brasileira de Ciências (AABC) no período de 1966 a 2012. O objetivo foi analisar as variáveis autoria, gênero, afiliação e áreas do conhecimento a que se vinculam os autores de artigos selecionados, identificados na base de dados Web of Science (WoS), através dos valores do índice-h dos artigos deste periódico no período. Os resultados indicaram que os 33 artigos mais citados receberam um total de 1.684 citações, o que representa 18% de todas as citações recebidas pelos 4.040 artigos identificados pela WoS nos AABC. Neste conjunto de artigos a autoria única é predominante, a maior parte dos autores é do gênero masculino e está afiliada a instituições brasileiras, principalmente universidades; a maior incidência de citações vinculadas à área das Ciências Biomédicas e Médicas. Apesar dos resultados não evidenciarem novidade relevante que altere o perfil da atual produção científica brasileira, buscou-se promover maiores oportunidades de reflexão e discussão dos resultados da pesquisa, analisando peculiaridades relativas a alguns artigos mais citados e estabelecer uma comparação de alguns dados gerais dos AABC com o periódico Proceedings of the National Academy of Sciences of the United States.