ABSTRACT
This paper presents a large-scale document-level comparison of two major bibliographic data sources: Scopus and Dimensions. The focus is on the differences in their coverage of documents at two levels of aggregation: by country and by institution. The main goal is to analyze whether Dimensions offers as good new opportunities for bibliometric analysis at the country and institutional levels as it does at the global level. Differences in the completeness and accuracy of citation links are also studied. The results allow a profile of Dimensions to be drawn in terms of its coverage by country and institution. Dimensions' coverage is more than 25% greater than Scopus which is consistent with previous studies. However, the main finding of this study is the lack of affiliation data in a large fraction of Dimensions documents. We found that close to half of all documents in Dimensions are not associated with any country of affiliation while the proportion of documents without this data in Scopus is much lower. This situation mainly affects the possibilities that Dimensions can offer as instruments for carrying out bibliometric analyses at the country and institutional level. Both of these aspects are highly pragmatic considerations for information retrieval and the design of policies for the use of scientific databases in research evaluation.
ABSTRACT
National contributions to science are influenced by a number of factors, including economic capacity, national scientific priorities, science policy, and institutional settings and cultures. Nations do not have equal opportunities to access the global scientific market, and therefore, often seek out international partners with complementary resources and expertise. This study aims at investigating national collaboration strategies, with a focus on research leadership-measured through corresponding authorship-and its relationship with scientific impact. Results show that countries with higher R&D investments are more scientifically independent, and confirm that international collaboration is positively related to citation impact. However, leadership in international collaboration is inversely related with a countries' share of international collaboration and there is a very little relationship between citation impact and international leadership. For instance, most countries-and particularly those that have fewer resources-have higher scientific impact when they are not leading. This suggests that, despite increasing global participation in science, most international collaborations are asymmetrical, and that the research system remains structured around a few dominate nations.
Subject(s)
Cooperative Behavior , International Cooperation , Leadership , Science/trends , Authorship , Humans , Social BehaviorABSTRACT
The aim of this paper is to make manifest the intellectual and cognitive structure of nanoscience and nanotechnology (NST) by means of visualization techniques. To this end, we used data from the Web of Science (WoS), delimiting the data to the category NST during the period of 2000-2013, retrieving a total of 198,275 documents. Through direct author citation of these works, we identified their origins and the seminal papers, and through word co-occurrence extracted from the titles and abstracts, the main lines of research were identified. In view of both structures, we may affirm that NST is a young scientific discipline in constant expansion, needing time to establish its foundations but showing a strongly interdisciplinary character; its development is furthermore dependent upon knowledge from other disciplines, such as physics, chemistry, or material sciences. We believe that this information may be very useful for the NST scientific community, as it reflects a large-scale analysis of the research lines of NST and how research has changed over time in the diverse areas of NST. This study is moreover intended to offer a useful tool for the NST scientific community, revealing at a glance the main research lines and landmark papers. Finally, the methodology used in this study can be replicated in any other field of science to explore its intellectual and cognitive structure.
ABSTRACT
Objetivo: caracterizar el patrón cubano de comunicación científica en salud pública en la base de datos Scopus a partir de los patrones de producción y colaboración y su influencia en el impacto de las publicaciones. Métodos: se aplicaron indicadores bibliométricos de producción, visibilidad y colaboración extraídos de los portales SCImago Institutions Rankings y SCImago Journal and Country Rank a partir de datos de Scopus, categoría Public Health, Environmental and Occupational Health, período 2003-2011. Resultados: el patrón de comunicación presentó una tendencia al incremento de la producción científica con un alto liderazgo de autores cubanos y escasa colaboración nacional e internacional. Este incremento no repercutió en un mayor impacto en la comunidad internacional; el 7,22 por ciento de los documentos aparecieron en revistas de alto impacto, y el 2,16 por ciento entre los documentos de excelencia. La producción de excelencia con liderazgo fue casi inexistente. El 75 por ciento de la producción se ubicó en revistas de bajo impacto (cuarto cuartil) y la mayoría en revistas nacionales. La producción en inglés representó menos del 30 percent del total y alcanzaron mayor impacto que los artículos en español. Conclusiones: se caracterizó el patrón de comunicación científica cubano en salud pública, donde la poca publicación en inglés, en revistas de alto impacto y la insuficiente colaboración nacional e internacional son factores que pudieran estar influenciando en el bajo impacto científico. Estos resultados pueden utilizarse como complemento de la evaluación de la investigación en salud pública en el marco de su décima función esencial(AU)
Objetive: to characterize the Cuban pattern of scientific communication in public health in Scopus database on the basis of the output and collaboration patterns and their influence on the impact of publications. Methods: bibliometric indicators of output, visibility and collaboration taken from SCImago Institutions Rankings and SCImago Journal and Country Rank portals were used, according to Scopus database, in the Public Health, Environmental and Occupational Health category in 2003-2011 period. Results: the communication pattern showed an increasing tendency of the scientific output, with great leadership of Cuban authors and poor national and international collaboration. This increase did not have a higher impact on the international community; 7.22 percent of documents were published in high impact journals and 2.16 percent were among excellence documents. The excellence output with leadership was almost non-existent. Seventy five percent of the output was seen in low impact journals (fourth quartile) and most of it in national journals. The English output accounted for less than 30 percent of the total amount but had higher impact than the Spanish articles. Conclusions: the pattern of Cuban scientific communication in public health was characterized, in which low number of English publications, of publications in high impact journals and poor national and international collaborations are factors that may influence on the low scientific impact. These results can be used to supplement the assessment of research in public health within the tenth basic function of this specialty(AU)
Subject(s)
Humans , Public Health , Databases as Topic , Bibliometrics , Collaboration Indicator , Essential Public Health Functions , CubaABSTRACT
Objetivo: caracterizar el patrón cubano de comunicación científica en salud pública en la base de datos Scopus a partir de los patrones de producción y colaboración y su influencia en el impacto de las publicaciones.Métodos: se aplicaron indicadores bibliométricos de producción, visibilidad y colaboración extraídos de los portales SCImago Institutions Rankings y SCImago Journal and Country Rank a partir de datos de Scopus, categoría Public Health, Environmental and Occupational Health, período 2003-2011.Resultados: el patrón de comunicación presentó una tendencia al incremento de la producción científica con un alto liderazgo de autores cubanos y escasa colaboración nacional e internacional. Este incremento no repercutió en un mayor impacto en la comunidad internacional; el 7,22 por ciento de los documentos aparecieron en revistas de alto impacto, y el 2,16 por ciento entre los documentos de excelencia. La producción de excelencia con liderazgo fue casi inexistente. El 75 por ciento de la producción se ubicó en revistas de bajo impacto (cuarto cuartil) y la mayoría en revistas nacionales. La producción en inglés representó menos del 30 por ciento del total y alcanzaron mayor impacto que los artículos en español.Conclusiones: se caracterizó el patrón de comunicación científica cubano en salud pública, donde la poca publicación en inglés, en revistas de alto impacto y la insuficiente colaboración nacional e internacional son factores que pudieran estar influenciando en el bajo impacto científico. Estos resultados pueden utilizarse como complemento de la evaluación de la investigación en salud pública en el marco de su décima función esencial(AU)
Objective: to characterize the Cuban pattern of scientific communication in public health in Scopus database on the basis of the output and collaboration patterns and their influence on the impact of publications.Methods: bibliometric indicators of output, visibility and collaboration taken from SCImago Institutions Rankings and SCImago Journal and Country Rank portals were used, according to Scopus database, in the Public Health, Environmental and Occupational Health category in 2003-2011 period.Results: the communication pattern showed an increasing tendency of the scientific output, with great leadership of Cuban authors and poor national and international collaboration. This increase did not have a higher impact on the international community; 7.22 percent of documents were published in high impact journals and 2.16 percent were among excellence documents. The excellence output with leadership was almost non-existent. Seventy five percent of the output was seen in low impact journals (fourth quartile) and most of it in national journals. The English output accounted for less than 30 percent of the total amount but had higher impact than the Spanish articles.Conclusions: the pattern of Cuban scientific communication in public health was characterized, in which low number of English publications, of publications in high impact journals and poor national and international collaborations are factors that may influence on the low scientific impact. These results can be used to supplement the assessment of research in public health within the tenth basic function of this specialty(AU)
Subject(s)
Bibliometrics , Collaboration Indicator , Databases as Topic , Health Research Evaluation , Public Health , Cuba , Essential Public Health FunctionsABSTRACT
BACKGROUND: In the greater framework of the essential functions of Public Health, our focus is on a systematic, objective, external evaluation of Latin American scientific output, to compare its publications in the area of Public Health with those of other major geographic zones. We aim to describe the regional distribution of output in Public Health, and the level of visibility and specialization, for Latin America; it can then be characterized and compared in the international context. METHODS: The primary source of information was the Scopus database, using the category "Public Health, Environmental and Occupational Health", in the period 1996-2011. Data were obtained through the portal of SCImago Journal and Country Rank. Using a set of qualitative (citation-based), quantitative (document recount) and collaborative (authors from more than one country) indicators, we derived complementary data. The methodology serves as an analytical tool for researchers and scientific policy-makers. RESULTS: The contribution of Latin America to the arsenal of world science lies more or less midway on the international scale in terms of its output and visibility. Revealed as its greatest strengths are the high level of specialization in Public Health and the sustained growth of output. The main limitations identified were a relative decrease in collaboration and low visibility. CONCLUSIONS: Collaboration is a key factor behind the development of scientific activity in Latin America. Although this finding can be useful for formulating research policy in Latin American countries, it also underlines the need for further research into patterns of scientific communication in this region, to arrive at more specific recommendations.
Subject(s)
Bibliometrics , Public Health , Publishing , Research , Databases, Factual , Humans , Latin AmericaABSTRACT
The scientific output of research sectors involved in Cuban R&D activities during the period 2003-2007, using Scopus as data source, was analyzed. Quantitative and qualitative dimension of the scientific production was described through a set of bibliometric indicators. The most productive and visible sectors were identified. The evolution of the total scientific output by sector, and the behavior of the three most important sectors were studied. Inter-sector relationships were visualized with the aim to analyze the national scientific macro-structure. The growth of Higher Education and Health Sector determined the nation's growth during this period. Despite a positive evolution of the Cuban scientific output, a weak linkage between universities and institutions of science and technological innovation, and also scarce relationships between scientific research centers and health institutions, were observed. Low indices of international collaboration in Health Sector, and deficient links between R&D units of enterprises and institutions belonging to Higher Education and Science and Technology, were also identified.
Se analizó la producción científica de los sectores involucrados en las actividades de I+D desarrolladas en Cuba durante el período 2003-2007, con el uso de Scopus como fuente de datos. Las dimensiones cuantitativa y cualitativa de la producción científica fueron caracterizadas a partir de una batería de indicadores bibliométricos. Fueron identificados los sectores más productivos y visibles. Se estudió la evolución de la producción total por sectores y el comportamiento de los tres sectores más importantes. Las relaciones intersectoriales fueron visualizadas con el fin de analizar la macroestructura de la ciencia nacional. El desarrollo de la Educación Superior y el sector Salud determinaron la evolución de la nación durante el período. A pesar de la positiva evolución de la producción científica cubana, fueron observados enlaces débiles entre las universidades y las entidades de ciencia e innovación tecnológica, e igualmente escasas relaciones entre centros de investigación científica e instituciones de salud. Fueron identificados, además, bajos índices de colaboración internacional en el sector Salud, y deficientes enlaces entre las unidades de I+D de las empresas y las instituciones pertenecientes a los sectores Educación Superior y Ciencia y Tecnología.
ABSTRACT
This paper characterises scientific output in biomedicine in Andalusia, and Spain as a whole, and conduct a first-time comparison to Europe- and world-wide production. The data were extracted from the Scopus database. Three families of indicators are explored to analyse research quantity, quality and collaboration. The results show an upward trend on biomedical output in Andalusia. Over 50 % was in clinical medicine, whose growth doubled the basic medicine. We found greater than nationwide specialisation in biochemistry, genetics and molecular biology, immunology and microbiology, and pharmacology, while psychology proved to be the most prominent emerging area. The publication in most cited journals together with national and international collaboration enhanced research visibility. More citable papers were published on basic than clinical medicine, and the number of citations received by the former was also larger. The higher citation rate in basic medicine may also be explained by the bigger percentage of papers published in international instead domestic journals. Hence, publication patterns would appear to affect research visibility. The methodology proposed may provide guidance for public policy makers to improve, encourage and intensify good biomedical research practice.
Este trabajo presenta una caracterización bibliométrica de la producción científica biomédica en Andalucía y España durante la década 1996-2007, comparándola por primera vez a nivel europeo y mundial. El análisis se ha realizado con los datos procedentes del índice multidisciplinar de citas Scopus, que duplica en volumen a los índices Thomson Reuters. Se exploran tres bloques de indicadores bibliométricos para el análisis de la dimensión cuantitativa, cualitativa y colaborativa. Los resultados han revelado una tasa de crecimiento de la investigación en Andalucía del 124 % frente al 97 % nacional, principalmente en el campo de la Medicina Básica más que en la Clínica. También se ha detectado una mayor especialización temática con respecto a España en Bioquímica, Genética y Biología Molecular, en Inmunología y Microbiología y finalmente en Farmacología, mientras que Psicología destaca como el área más claramente emergente. La publicación de una mayor cantidad de documentos citables, la publicación en revistas nacionales y la colaboración internacional influyen en la visibilidad de la investigación. Por tanto, los patrones de publicación parecen estar influyendo en su visibilidad. La metodología propuesta proporciona una batería de indicadores y representaciones gráficas que permiten hacer un seguimiento de estos patrones para detectar buenas prácticas de publicación con el fin de incrementar la visibilidad de la investigación producida por cualquier agregado científico y ayudar a los gestores científicos en la toma de decisiones.
ABSTRACT
Introducción: los estudios cienciométricos utilizan indicadores relativos para la caracterización temática de la producción científica, para identificar las principales fortalezas y debilidades de un país en un dominio del conocimiento. Objetivo: hacer la caracterización temática de la producción científica cubana sobre salud indexada en Scopus durante el período 1996-2010, a partir de patrones de especialización temática. Métodos: estudio descriptivo. Se compilaron datos relativos al número total de documentos indexados por Scopus, así como la productividad y la tasa de crecimiento anual. Se calculó el índice de especialización temática de la producción científica. Resultados: el índice de especialización temática de la producción científica cubana sobre salud alcanzó niveles superiores con respecto a la región y el mundo. Los mayores índices de especialización se alcanzaron en dominios temáticos donde, a su vez, Cuba exhibe importantes indicadores de salud. Las investigaciones publicadas en revistas nacionales indexadas por Scopus influyeron de manera decisiva en el índice de especialización de las principales categorías temáticas estudiadas. Conclusiones: las ciencias de la salud de manera general, y particularmente la salud pública, tienen un rol protagónico dentro de la producción científica nacional
Introduction: scientometric studies use relative indicators for the thematic characterization of scientific production, in order to identify the strengths and weaknesses of a country in a knowledge domain. Objective: the use of specialization patterns for the thematic characterization of the Cuban scientific production in health indexed by Scopus during the 1996-2010 period. Methods: descriptive study. The total number of documents covered by Scopus as well as the productivity and the annual growth rate were compiled. The thematic specialization index of the scientific production was estimated. Results: the thematic specialization index of the Cuban scientific production in health achieved higher levels than those of the Latin American region and the world. The highest indexes went to thematic domains where Cuba shows important health indicators. The published research papers in national journals covered by Scopus have a decisive influence on the specialization index of the main studied thematic categories. Conclusions: health sciences in general, and particularly the public health, have a leading role in the Cuban scientific production
Subject(s)
Bibliometrics , Cuba , Health Sciences , SpecializationABSTRACT
Introducción: los estudios cienciométricos utilizan indicadores relativos para la caracterización temática de la producción científica, para identificar las principales fortalezas y debilidades de un país en un dominio del conocimiento. Objetivo: hacer la caracterización temática de la producción científica cubana sobre salud indexada en Scopus durante el período 1996-2010, a partir de patrones de especialización temática. Métodos: estudio descriptivo. Se compilaron datos relativos al número total de documentos indexados por Scopus, así como la productividad y la tasa de crecimiento anual. Se calculó el índice de especialización temática de la producción científica. Resultados: el índice de especialización temática de la producción científica cubana sobre salud alcanzó niveles superiores con respecto a la región y el mundo. Los mayores índices de especialización se alcanzaron en dominios temáticos donde, a su vez, Cuba exhibe importantes indicadores de salud. Las investigaciones publicadas en revistas nacionales indexadas por Scopus influyeron de manera decisiva en el índice de especialización de las principales categorías temáticas estudiadas. Conclusiones: las ciencias de la salud de manera general, y particularmente la salud pública, tienen un rol protagónico dentro de la producción científica nacional(AU)
Introduction: scientometric studies use relative indicators for the thematic characterization of scientific production, in order to identify the strengths and weaknesses of a country in a knowledge domain. Objective: the use of specialization patterns for the thematic characterization of the Cuban scientific production in health indexed by Scopus during the 1996-2010 period. Methods: descriptive study. The total number of documents covered by Scopus as well as the productivity and the annual growth rate were compiled. The thematic specialization index of the scientific production was estimated. Results: the thematic specialization index of the Cuban scientific production in health achieved higher levels than those of the Latin American region and the world. The highest indexes went to thematic domains where Cuba shows important health indicators. The published research papers in national journals covered by Scopus have a decisive influence on the specialization index of the main studied thematic categories. Conclusions: health sciences in general, and particularly the public health, have a leading role in the Cuban scientific production(AU)
