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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
111

人文社會科學引文索引資料庫之系統結構與欄位設計研究 / The structure and field description of humanity and social science citation database research

林佳怡, Lin, Chia Yi Unknown Date (has links)
本研究旨在針對WoS、Scopus、CSSCI、CCD、TSSCI、THCI與ACI等七個引文索引資料庫,觀察與統計現有引文索引資料庫之系統文獻來源、查詢功能、索引欄位、輸出欄位、引文分析功能及其檢索結果分析與個人化功能等,藉此瞭解現有引文索引資料庫之現況與不足之處,並輔以資料庫使用者、圖書館館員以及資料庫建置專家之訪談,瞭解建置人文社會科學引文索引資料庫之阻礙、後續維護管理問題、推廣問題以及與國際接軌之建議作法,進而對人文社會科學引文索引資料庫的建置提出建議。   本研究結果歸納如下:(1)系統文獻來源為綜合性較佳,較能建構出較完整的引文網路。(2)查詢功能、索引欄位、輸出欄位、引文分析、檢索結果分析與個人化功能宜參考WoS、Scopus與CCD三個建置較齊全之資料庫,提供使用者較全面的系統功能。(3)建置阻礙包括參考文獻引文格式的差異問題、拖刊問題、選刊問題、建檔的人力與資源問題、以及名稱的權威檔等問題。(4)後續維護管理問題包括人力與經費、資料庫的推廣、資料庫所採取的營運模式問題、資料的來源問題、以及引文資料的建檔問題。(5)若欲推廣資料庫,必須建置功能及內容完整之資料庫,讓使用者感受到資料庫的查詢具有引文網路的架構。(6)資料庫在建置時就須參考國外資料庫在處理引文資料庫時所注重的重點,例如各項索引與輸出欄位等,將來與國外接軌或合併的可行性才有可能提高。   本研究結果可供期刊出版商提升自我品質之參考,亦可對建置人文社會科學引文索引資料庫各項系統功能提出建置建議,希冀有朝一日能建置出媲美國外大型引文索引資料庫的臺灣人文社會科學引文索引資料庫。 / Citation index databases have been explored and made impact on academic research for several decades. The Web of Science (WOS) of Thomson Reuters ISI is one of the most well-known citation databases in the world, and the Scopus of Elsevier is also a famous citation databases. In addition, the Mainland China has also developed Chinese Social Sciences Citation Index (CSSCI) database and Chinese Citation Database (CCD) since recent twenty years. Under the sponsorship of the National Science Council in Taiwan, the Taiwan Social Science Research Center established the Taiwan Social Sciences Citation Index (TSSCI) database in 1996 and the Center for Humanities Research built up Taiwan Humanities Citation Index (THCI) database in 1999. On the other hand, Airiti Incorporation has developed Academic Citation Index (ACI). However, the application of TSSCI, THCI and ACI reveals many design flaws and use limitations for both databases, some search functions are different and not available, and it is therefore difficult for users to get information through the same search interface. It is truly important to construct an integrate citation index database for Taiwan humanity and social science researchers. Working with an information service company, the purpose of the present study is to propose a design plan to establish a Taiwan humanity and social science citation database.   The following issues will be investigated in this study: 1. Collecting source literature and citation literature from humanity and social science journals publishing by Taiwan academic institutes. 2. Designing the structure of citation index system, types and contents of the database. 3. Setting up the standards for description on database fields. 4. Developing the basic, advanced and other information retrieval functions. 5. Seeking for the integration with WoS to fulfill the goal of information resources sharing and the promotion of global visualization. 6. Building the quantitative indicator for evaluating the humanity and social science research.
112

Analyse bibliométrique des revues Canadian Journal of Communication et Communication 1974-2005

Ramírez y Ramírez, Karla Margarita 08 1900 (has links)
L’objectif de cette étude est de saisir une image des éléments explicitement reconnaissables de la recherche en communication visibles dans les revues savantes Canadian Journal of Communication et dans Communication de 1974 à 2005. Il s’agit d’une analyse bibliométrique des articles publiés par les chercheurs d’institutions canadiennes et de leurs références bibliographiques. La bibliométrie est « l’application de méthodes statistiques aux livres et aux autres moyens de communication » (Pritchard, 1969: 348-349). C’est la première fois qu’une analyse de ce type est tentée dans ce corpus particulier. Nous nous sommes appuyés sur des postulats théoriques provenant de la sociologie des sciences et des études en communication scientifique. L’idée maîtresse est la suivante : l’activité scientifique est un « continuum de création de nouvelles connaissances » (Vassallo, 1999), dont l’organisation est basée sur l’échange d’information (Price, 1963; Crane, 1972), qui se traduit en reconnaissance sociale, en autorité scientifique, et constitue un investissement pour l’acquisition de crédibilité (Merton, 1938; Hagstrom, 1965; Bourdieu, 1975; Latour et Woolgar, 1986). À partir de l’analyse des articles, nous identifions s’ils sont le résultat de recherches empiriques ou fondamentales, ou le produit d’une réflexion critique. Il s’agit aussi de détecter les approches méthodologiques et les techniques d’investigation utilisées, ainsi que les sujets qui y sont abordés par les chercheurs. Nous détectons également les principaux lieux de recherche (universités et types de départements). Nous analysons aussi les thématiques des articles. Enfin, nous analysons des références bibliographiques des articles afin de cerner les sources d’idées qui y sont décelables. Notre corpus principal comporte 1154 articles et 12 840 titres de documents en référence. L’analyse bibliométrique des articles révèle ainsi une recherche canadienne en communication d’emblée qualitative, intéressée pour les spécificités historiques, le contexte social et la compréhension des interrelations sous-jacentes aux phénomènes de communication, en particulier, au Canada et au Québec. Au cœur de ces études se distingue principalement l’application de l’analyse de contenu qualitative dans les médias en général. Cependant, à partir de 1980, l’exploration du cinéma, de l’audiovisuel, des nouvelles technologies de l’information et de la communication, ainsi que la multiplication des sujets de recherche, annoncent un déplacement dans l’ordre des intérêts. Communication et le CJC, se distinguent cependant par l’origine linguistique des chercheurs qui y publient ainsi que dans les thématiques. L’analyse des références bibliographiques, et de leurs auteurs, met en relief l’intérêt partagé des chercheurs d’institutions universitaires canadiennes pour les agences de réglementation et les politiques gouvernementales canadiennes s’appuyant souvent sur l’analyse de documents législatifs et de rapports de diverses commissions d’enquête du gouvernement canadien. L’analyse révèle aussi les principales inspirations théoriques et méthodologiques des chercheurs. Parmi les plus citées, on voit Innis, McLuhan, Habermas, Tuchman, Bourdieu, Foucault, Raboy, et Rogers. Mais ces références évoluent dans le temps. On voit aussi une distinction relativement claire entre les sources citées par la recherche francophone et la recherche anglophone. / The aim of this study is to obtain an image of the recognizable elements of communication research visible in Canadian Journal of Communication and Communication from 1974 to 2005. This is a bibliometric analysis of the scientific papers and their bibliographies published in these journals by researchers from various Canadian Universities. Bibliometry is "the application of mathematics and statistical methods to books and other media of communication" (Pritchard, 1969). This is the first time that such analysis is attempted with this particular corpus. We based ourselves on theoretical postulates from the sociology of science and scientific communication studies, that indicate that the scientific activity is a « continuum de création de nouvelles connaissances » (Vassallo, 1999), where the organisation is based on the exchange of information (Price, 1963; Crane, 1972), and is in turn translated in social recognition, scientific authority, and is an investment to acquire credibility (Merton, 1938; Hagstrom, 1965; Bourdieu, 1975; Latour et Woolgar, 1986). Based on the article analysis, we can identify if they are empirical, theoretical or methodological researches. We can also detect the scientific methods applied by the researchers and their objects of study. Likewise, we observe the most common places to do research (universities and departments). Finally, we do a citation analysis to find the most important sources used by the researchers. Our corpus includes 1154 articles and 12 840 titles of referenced documents. The bibliometric analysis of the articles published in Canadian Journal of Communication and Communication from 1974 to 2005 shows that the Canadian communication research is qualitative in essence, interested in the historical particularities, the social context and the understanding of the underlying interrelations of the communication phenomenon, especially in Canada and Quebec. The application of content analysis to the media in general is dominant. However, since 1980, the exploration of cinema, audiovisual, internet and the multiplication of objects of study foreshadow the move in the research communication agenda in Canada. Communication and the CJC, however, differ by their thematics, and by the linguistic origin of the researchers who publish in them. The citation analysis shows the shared interest of researchers from different Canadian universities for regulatory agencies and Canadian government policies, which is often based on content analysis of legislative documents and reports of various commissions of inquiry of the Canadian government. The citation analysis also reveals the most importat theoretical and methodological research influences. Among the most cited, we see Innis, McLuhan, Habermas, Tuchman, Bourdieu, Foucault, Raboy, and Rogers. But these references are evolving over time. We see as well as the distinctions between French and English Canadian communication research traditions.
113

台灣西方翻譯文學作品之引用研究 / Citation Analysis of Taiwan Translational Literature

李青親 Unknown Date (has links)
引用文獻分析法可觀察學科研究特性與歷程、未來發展趨勢、學科與跨學科關係,並建構知識地圖,但較少被應用在人文學領域的研究。而文學作品包含著豐富意涵,具有多種探討面向,正可藉引用文獻分析法來觀察其被引用的情形,而發現其多元內涵。本研究透過引用文獻分析法,以1950至2008年間台灣高度翻譯的西方外國文學作品為對象,觀察其在國外被引用的次數,以及年代、語言、主題分佈情形,以了解文學作品在台灣被翻譯次數與在國外被引用次數之差異與相關性、在不同年代、語言、主題領域中的不同影響性,以及被研究與引用的分佈情形。 研究結果如下:1.西方外國文學作品被引用次數概況:(1)整體而言,文學作品被翻譯次數與被引用次數相關程度為低度正相關;(2)西班牙文學分區之作品與莎士比亞的作品在台灣被翻譯次數與在國外被引用次數皆成高度正相關;(3)被引用次數前三名的文學分區為英國、古代西洋、法國文學;(4)被引用次數前三名的文學作品為《伊里亞德》、《奧德賽》、《神曲》。2.被引用之年代分佈情形:(1) 各文學分區最高被引年代多集中在1990年代;(2) 各年代區段皆以英國文學分區被引次數最高;(3) 1970、1980與1990三個年代區段皆以《伊里亞德》被引次數最高。3.被引用之語言分佈情形:(1) 各文學分區皆被引用在英語文章中最多;(2) 各語言文章中所高度引用的文學分區與文學作品多與該地區所使用之語言相符。4.被引用之主題分佈情形:(1) 各文學分區除了古代西洋文學,皆被引用在文學主題領域文章中最多;(2) 各主題文章所高度引用之文學作品多屬古代西洋、英國、義大利、法國與德國文學作品。 本研究結果可應用於圖書資訊界在規劃館藏發展、進行參考服務及舉辦閱讀推廣活動時之參考。外文學門研究者可藉由不同文學分區之文學作品被引用的多寡與分佈情形,觀察各文學分區與文學作品被研究的狀況與範圍,進一步探討學術研究與發展史、觀察文學作品在不同語言國家與主題領域的影響力,並發現跨科際整合研究的契機,探掘文學作品更多元深沉的內涵。 / Citation Analysis reveals research characteristics, research development, scholarly communication, and helps to construct knowledge map. However, little research devoted to the cited situation of humanity discipline. This study aims to investigate how literary works were cited. Through Citation Index, the Western literary works highly translated in Taiwan during 1950 and 2008 were examined in terms of their cited times and cited distribution in foreign papers. The findings are as follows. Correlational analysis of translated times of Western literary works in Taiwan and cited times of which in foreign research was lowly positive. Nevertheless, the translated times of Spanish literature in Taiwan and cited times of which in foreign research were highly positive correlated, and also the case in Shakespeare’s works. English literature was the most highly cited literary division in five year period, and Iliad was the most highly cited work in 1970s, 1980s, and 1990s. In all literary divisions, more than half of the citing papers were in English. On the whole, the language of citing papers corresponded to the language of their highly citing literary division and works. Except for Classical literature, all literary divisions were highly cited by papers of literature subject area. In different subject areas, most highly cited works belonged to Classical literature, English literature, Italian literature, French literature, and German literature. The results of the study may assist in Collection Development, Reference, and reading promotion. On the other hand, foreign literature researchers can further observe research progress, review literary theory, and proceed interdisciplinary research to explore the abundant and diverse connotation of literary works.
114

Produção científica, colaboração e impacto da Física de Altas Energias brasileira indexada na Web of Science (1983-2013)

Alvarez, Gonzalo Rubén January 2015 (has links)
Com base em indicadores bibliométricos de produção, colaboração e impacto, este trabalho investiga os artigos científicos brasileiros da Física de Altas Energias (FAE) indexados pelo Science Citation Index (SCI) da Web of Science (WoS) no período de 1983-2013. Fizeram parte do estudo todas as publicações em periódicos abrangidos na categoria de assunto Physics, Particles & Fields. Os dados foram organizados e analisados com auxílio dos softwares Bibexcel, UCINET, Gephi, Philcarto, SPSS, R e Excel 2007. Os 6.350 artigos sugerem que o crescimento anual da produção pode ter sido consequência da ampliação dos Programas de Pós-Graduação (PPGs) com linhas de pesquisa FAE e grupos do Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq), da participação do Brasil nas colaborações internacionais e da instituição da Rede Nacional de Física de Altas Energias (RENAFAE). A distribuição das artigos por Web of Science Category (WC) demonstrou que a área centraliza a publicação em um número reduzido de periódicos estrangeiros de língua inglesa, com destaque para Physical Review D (PRD). A Astronomia & Astrofísica com 45,63% e a Física Nuclear com 18,66% de participação foram as categorias predominantes. Os cientistas nacionais mais produtivos são da subárea experimental e filiados a instituições públicas do eixo Rio de Janeiro-São Paulo. As universidades foram responsáveis por 80,92% da produção. A coautoria entre indivíduos cresceu ao longo do período, registrando média de 155,89 autores por artigo. O estudo por amostragem provou que a parcela de publicações de autoria única (11,39%) está vinculada à Física Teórica. Tanto o crescimento do número de artigos quanto o de colaborações se ajustam ao modelo de regressão linear. O decréscimo da média de instituições por artigo quando consideradas somente as nacionais, denota a preferência pela colaboração internacional em razão do custo e complexidade das investigações. As análises de MDS e clusters confirmam a existência de grupos regionais. A média de países por artigo é de 4,87. A proporção de coautorias internacionais da FAE (49,07%) é superior aos índices verificados na produção científica brasileira em anos recentes. O predomínio de pesquisadores estrangeiros na rede de colaboração confirma a internacionalização da atividade e a presença do Brasil nos experimentos multinacionais. Os indicadores absolutos expressam que EUA, Rússia e França são os principais parceiros. Os indicadores relativos expõem um processo de desconcentração e diversificação das colaborações nacionais, com presença relevante da Colômbia e países do leste europeu. O impacto da pesquisa em FAE aponta que os artigos brasileiros receberam 78.812 citações provenientes de 41.152 documentos. Os dados mostram que 87,65% das publicações foram citadas uma ou mais vezes no período. As características gerais dos citantes revelam a prevalência do artigo publicado em periódico estrangeiro na língua inglesa. A Física de Partículas e Campos com 36,24% e a Astronomia & Astrofísica com 21,17% de participação foram as categorias citantes salientes. Os documentos internacionais representam 88,15% das citações, com distinção para as publicações dos EUA, Alemanha e Itália. O Istituto Nazionale di Fisica Nucleare (INFN) se destaca entre as instituições de filiação dos autores citantes. Conclui que a FAE detém reconhecimento internacional, entretanto, o incremento da participação nas colaborações multinacionais e a intensificação da atividade científica na subárea experimental pode conceder ao Brasil o status dos países desenvolvidos. / Based on bibliometric indicators of production, collaboration and impact, this study investigates the Brazilian scientific papers on High Energy Physics (HEP) indexed by the Science Citation Index (SCI) in the Web of Science (WoS) from 1983 to 2013. All publications in journals embraced by the subject category Physics, Particles & Fields were part of this research. Data were organized and analyzed using the software Bibexcel, UCINET, Gephi, Philcarto, SPSS, R and Excel 2007. The 6.350 papers recovered suggest that the annual growth in production may have been caused by the expansion of Graduate Programs on lines of research related to HEP and by the expansion of groups of the same line in the National Council for Scientific and Technological Development (CNPq), as well as by Brazil’s participation in international collaborations and by the institution of the National Network of High Energy Physics (RENAFAE). The distribution of papers by Web of Science Category (WC) showed that the area centers its publication in a small number of journals in English, especially the Physical Review D (PRD). The predominant categories were Astronomy & Astrophysics, with 45,63% of the publications, and Nuclear Physics, with 18,66%. The most productive Brazilian scientists are from the experimental subarea and affiliated to public institutions in Rio de Janeiro and São Paulo. Universities were responsible for 80,92% of the output. The numbers related to coauthorship grew in the researched period, registering an average of 155,89 authors per article. The study sample proved that the share of single authorship publications (11,39%) is tied to Theoretical Physics. The growth in both the number of articles and the number of collaborations is coherent with the linear regression model. The decrease in the average of institutions per article when considering only the Brazilian institutions indicates the preference for international collaborations due to the cost and complexity of the researches. MDS and clusters analyzes confirm the existence of regional groups. The average of countries per article is of 4,87. HEP’s proportion of international coauthorship (49,07%) is higher than the rates found in the Brazilian scientific output in recent years. The predominance of foreign researchers in the collaboration network confirms the internationalization of the activity and the presence of Brazil in multinational experiments. Absolute indicators show that the U.S.A., Russia and France are Brazil’s main partners in coauthored publications. Relative indicators display a process of decentralization and diversification of Brazilian collaborations, with a significant presence of Colombia and Eastern Europe in the coauthorships. Impact indicators show that Brazilian papers received 78.812 citations to 41.152 documents. The data show that 87,65% of the publications were mentioned one or more times during the period. The general characteristics of the articles that cited Brazilian works revealed a predominance of publications in foreign journals and in English. Field and Particle Physics, with 36,24%, and Astronomy & Astrophysics, with 21,17%, were the two categories that most cited Brazilian works in the area. International documents represent 88,15% of the citations, especially the publications by the U.S.A., Germany and Italy. The Istituto Nazionale di Fisica Nucleare (INFN) stands out among the institutions which the citing authors are affiliated to. The study concludes that HEP has international recognition; however, the increase in Brazil’s participation in multinational collaborations and the intensification of scientific activity in the experimental subarea can give Brazil the same status granted to developed countries. / Con base en indicadores bibliométricos de producción, colaboración e impacto, este trabajo investiga los artículos científicos brasileños de Física de Altas Energías (FAE) indexados por el Science Citation Index (SCI) de la Web of Science (WoS) en el período de 1983-2013. Hicieron parte del estudio todas las publicaciones en revistas incluidas en la categoría de materias Physics, Particles & Fields. Los datos fueron organizados y analizados con ayuda de los softwares Bibexcel, UCINET, Gephi, Philcarto, SPSS, R y Excel 2007. Los 6.350 artículos sugieren que el crecimiento de la producción anual puede haber sido consecuencia de la expansión de los Programas de Postgrado con líneas de investigación FAE y grupos del Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq), de la participación de Brasil en las colaboraciones internacionales y de la institución de la Rede Nacional de Física de Altas Energias (RENAFAE). La distribución de los artículos por Web of Science Category (WC) demostró que la área centraliza la publicación en un número reducido de periódicos extranjeros de lengua inglesa, con realce para Physical Review D (PRD). Astronomía & Astrofísica con 45,63% y Física Nuclear con 18,66% de participación fueron las categorías predominantes. Los científicos brasileños más productivos son de la subárea experimental y pertenecen a instituciones públicas del eje Rio de Janeiro-São Paulo. Las universidades fueron responsables por 80,92% de la producción. La co-autoría entre individuos creció durante el período, registrando media de 155,89 autores por artículo. El estudio por muestreo demostró que la fracción de publicaciones de autoria única (11,39%) está vinculada a la Física Teórica. Tanto el crecimiento del número de artículos como el de colaboraciones se ajustan al modelo de regresión lineal. La disminución de la media de las instituciones por artículo cuando consideradas solamente las nacionales, denota a preferencia por la colaboración internacional debido a los costos y complejidad de las investigaciones. Los análisis de MDS y clusters confirman la existencia de grupos regionales. La media de países por artículo es de 4,87. La proporción de co-autorías internacionales de la FAE (49,07%) es superior a las tasas verificadas en la producción científica brasileña en los últimos años. El predominio de investigadores extranjeros en la red de colaboración confirma la internacionalización de la actividad y la presencia de Brasil en los experimentos multinacionales. Los indicadores absolutos muestran que los EE.UU., Rusia y Francia son los principales socios. Los indicadores relativos exponen un proceso de descentralización y diversificación de las colaboraciones nacionales, con presencia relevante de Colombia y países del este europeo. El impacto de la investigación en FAE señala que los artículos brasileños recibieron 78.812 citas provenientes de 41,152 documentos. Los datos muestran que 87,65% de las publicaciones fueron citadas una o más veces en el período. Las características generales de los citandos revelan el predominio del artículo publicado en revista extranjera en lengua inglesa. La Física de Partículas y Campos con 36,24% y la Astronomía & Astrofísica con 21,17% de participación fueron las categorías citandas salientes. Los documentos internacionales representan 88,15% de las citas, con distinción para las publicaciones de Estados Unidos, Alemania e Italia. El Istituto Nazionale di Fisica Nucleare (INFN) se destaca entre las instituciones de los autores citandos. Concluye que la FAE tiene reconocimiento internacional, sin embargo, el aumento de la participación en las colaboraciones multinacionales y la intensificación de la actividad científica en la subárea experimental pueden darle al Brasil el status de los países desarrollados.
115

Produção científica, colaboração e impacto da Física de Altas Energias brasileira indexada na Web of Science (1983-2013)

Alvarez, Gonzalo Rubén January 2015 (has links)
Com base em indicadores bibliométricos de produção, colaboração e impacto, este trabalho investiga os artigos científicos brasileiros da Física de Altas Energias (FAE) indexados pelo Science Citation Index (SCI) da Web of Science (WoS) no período de 1983-2013. Fizeram parte do estudo todas as publicações em periódicos abrangidos na categoria de assunto Physics, Particles & Fields. Os dados foram organizados e analisados com auxílio dos softwares Bibexcel, UCINET, Gephi, Philcarto, SPSS, R e Excel 2007. Os 6.350 artigos sugerem que o crescimento anual da produção pode ter sido consequência da ampliação dos Programas de Pós-Graduação (PPGs) com linhas de pesquisa FAE e grupos do Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq), da participação do Brasil nas colaborações internacionais e da instituição da Rede Nacional de Física de Altas Energias (RENAFAE). A distribuição das artigos por Web of Science Category (WC) demonstrou que a área centraliza a publicação em um número reduzido de periódicos estrangeiros de língua inglesa, com destaque para Physical Review D (PRD). A Astronomia & Astrofísica com 45,63% e a Física Nuclear com 18,66% de participação foram as categorias predominantes. Os cientistas nacionais mais produtivos são da subárea experimental e filiados a instituições públicas do eixo Rio de Janeiro-São Paulo. As universidades foram responsáveis por 80,92% da produção. A coautoria entre indivíduos cresceu ao longo do período, registrando média de 155,89 autores por artigo. O estudo por amostragem provou que a parcela de publicações de autoria única (11,39%) está vinculada à Física Teórica. Tanto o crescimento do número de artigos quanto o de colaborações se ajustam ao modelo de regressão linear. O decréscimo da média de instituições por artigo quando consideradas somente as nacionais, denota a preferência pela colaboração internacional em razão do custo e complexidade das investigações. As análises de MDS e clusters confirmam a existência de grupos regionais. A média de países por artigo é de 4,87. A proporção de coautorias internacionais da FAE (49,07%) é superior aos índices verificados na produção científica brasileira em anos recentes. O predomínio de pesquisadores estrangeiros na rede de colaboração confirma a internacionalização da atividade e a presença do Brasil nos experimentos multinacionais. Os indicadores absolutos expressam que EUA, Rússia e França são os principais parceiros. Os indicadores relativos expõem um processo de desconcentração e diversificação das colaborações nacionais, com presença relevante da Colômbia e países do leste europeu. O impacto da pesquisa em FAE aponta que os artigos brasileiros receberam 78.812 citações provenientes de 41.152 documentos. Os dados mostram que 87,65% das publicações foram citadas uma ou mais vezes no período. As características gerais dos citantes revelam a prevalência do artigo publicado em periódico estrangeiro na língua inglesa. A Física de Partículas e Campos com 36,24% e a Astronomia & Astrofísica com 21,17% de participação foram as categorias citantes salientes. Os documentos internacionais representam 88,15% das citações, com distinção para as publicações dos EUA, Alemanha e Itália. O Istituto Nazionale di Fisica Nucleare (INFN) se destaca entre as instituições de filiação dos autores citantes. Conclui que a FAE detém reconhecimento internacional, entretanto, o incremento da participação nas colaborações multinacionais e a intensificação da atividade científica na subárea experimental pode conceder ao Brasil o status dos países desenvolvidos. / Based on bibliometric indicators of production, collaboration and impact, this study investigates the Brazilian scientific papers on High Energy Physics (HEP) indexed by the Science Citation Index (SCI) in the Web of Science (WoS) from 1983 to 2013. All publications in journals embraced by the subject category Physics, Particles & Fields were part of this research. Data were organized and analyzed using the software Bibexcel, UCINET, Gephi, Philcarto, SPSS, R and Excel 2007. The 6.350 papers recovered suggest that the annual growth in production may have been caused by the expansion of Graduate Programs on lines of research related to HEP and by the expansion of groups of the same line in the National Council for Scientific and Technological Development (CNPq), as well as by Brazil’s participation in international collaborations and by the institution of the National Network of High Energy Physics (RENAFAE). The distribution of papers by Web of Science Category (WC) showed that the area centers its publication in a small number of journals in English, especially the Physical Review D (PRD). The predominant categories were Astronomy & Astrophysics, with 45,63% of the publications, and Nuclear Physics, with 18,66%. The most productive Brazilian scientists are from the experimental subarea and affiliated to public institutions in Rio de Janeiro and São Paulo. Universities were responsible for 80,92% of the output. The numbers related to coauthorship grew in the researched period, registering an average of 155,89 authors per article. The study sample proved that the share of single authorship publications (11,39%) is tied to Theoretical Physics. The growth in both the number of articles and the number of collaborations is coherent with the linear regression model. The decrease in the average of institutions per article when considering only the Brazilian institutions indicates the preference for international collaborations due to the cost and complexity of the researches. MDS and clusters analyzes confirm the existence of regional groups. The average of countries per article is of 4,87. HEP’s proportion of international coauthorship (49,07%) is higher than the rates found in the Brazilian scientific output in recent years. The predominance of foreign researchers in the collaboration network confirms the internationalization of the activity and the presence of Brazil in multinational experiments. Absolute indicators show that the U.S.A., Russia and France are Brazil’s main partners in coauthored publications. Relative indicators display a process of decentralization and diversification of Brazilian collaborations, with a significant presence of Colombia and Eastern Europe in the coauthorships. Impact indicators show that Brazilian papers received 78.812 citations to 41.152 documents. The data show that 87,65% of the publications were mentioned one or more times during the period. The general characteristics of the articles that cited Brazilian works revealed a predominance of publications in foreign journals and in English. Field and Particle Physics, with 36,24%, and Astronomy & Astrophysics, with 21,17%, were the two categories that most cited Brazilian works in the area. International documents represent 88,15% of the citations, especially the publications by the U.S.A., Germany and Italy. The Istituto Nazionale di Fisica Nucleare (INFN) stands out among the institutions which the citing authors are affiliated to. The study concludes that HEP has international recognition; however, the increase in Brazil’s participation in multinational collaborations and the intensification of scientific activity in the experimental subarea can give Brazil the same status granted to developed countries. / Con base en indicadores bibliométricos de producción, colaboración e impacto, este trabajo investiga los artículos científicos brasileños de Física de Altas Energías (FAE) indexados por el Science Citation Index (SCI) de la Web of Science (WoS) en el período de 1983-2013. Hicieron parte del estudio todas las publicaciones en revistas incluidas en la categoría de materias Physics, Particles & Fields. Los datos fueron organizados y analizados con ayuda de los softwares Bibexcel, UCINET, Gephi, Philcarto, SPSS, R y Excel 2007. Los 6.350 artículos sugieren que el crecimiento de la producción anual puede haber sido consecuencia de la expansión de los Programas de Postgrado con líneas de investigación FAE y grupos del Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq), de la participación de Brasil en las colaboraciones internacionales y de la institución de la Rede Nacional de Física de Altas Energias (RENAFAE). La distribución de los artículos por Web of Science Category (WC) demostró que la área centraliza la publicación en un número reducido de periódicos extranjeros de lengua inglesa, con realce para Physical Review D (PRD). Astronomía & Astrofísica con 45,63% y Física Nuclear con 18,66% de participación fueron las categorías predominantes. Los científicos brasileños más productivos son de la subárea experimental y pertenecen a instituciones públicas del eje Rio de Janeiro-São Paulo. Las universidades fueron responsables por 80,92% de la producción. La co-autoría entre individuos creció durante el período, registrando media de 155,89 autores por artículo. El estudio por muestreo demostró que la fracción de publicaciones de autoria única (11,39%) está vinculada a la Física Teórica. Tanto el crecimiento del número de artículos como el de colaboraciones se ajustan al modelo de regresión lineal. La disminución de la media de las instituciones por artículo cuando consideradas solamente las nacionales, denota a preferencia por la colaboración internacional debido a los costos y complejidad de las investigaciones. Los análisis de MDS y clusters confirman la existencia de grupos regionales. La media de países por artículo es de 4,87. La proporción de co-autorías internacionales de la FAE (49,07%) es superior a las tasas verificadas en la producción científica brasileña en los últimos años. El predominio de investigadores extranjeros en la red de colaboración confirma la internacionalización de la actividad y la presencia de Brasil en los experimentos multinacionales. Los indicadores absolutos muestran que los EE.UU., Rusia y Francia son los principales socios. Los indicadores relativos exponen un proceso de descentralización y diversificación de las colaboraciones nacionales, con presencia relevante de Colombia y países del este europeo. El impacto de la investigación en FAE señala que los artículos brasileños recibieron 78.812 citas provenientes de 41,152 documentos. Los datos muestran que 87,65% de las publicaciones fueron citadas una o más veces en el período. Las características generales de los citandos revelan el predominio del artículo publicado en revista extranjera en lengua inglesa. La Física de Partículas y Campos con 36,24% y la Astronomía & Astrofísica con 21,17% de participación fueron las categorías citandas salientes. Los documentos internacionales representan 88,15% de las citas, con distinción para las publicaciones de Estados Unidos, Alemania e Italia. El Istituto Nazionale di Fisica Nucleare (INFN) se destaca entre las instituciones de los autores citandos. Concluye que la FAE tiene reconocimiento internacional, sin embargo, el aumento de la participación en las colaboraciones multinacionales y la intensificación de la actividad científica en la subárea experimental pueden darle al Brasil el status de los países desarrollados.
116

Produção científica, colaboração e impacto da Física de Altas Energias brasileira indexada na Web of Science (1983-2013)

Alvarez, Gonzalo Rubén January 2015 (has links)
Com base em indicadores bibliométricos de produção, colaboração e impacto, este trabalho investiga os artigos científicos brasileiros da Física de Altas Energias (FAE) indexados pelo Science Citation Index (SCI) da Web of Science (WoS) no período de 1983-2013. Fizeram parte do estudo todas as publicações em periódicos abrangidos na categoria de assunto Physics, Particles & Fields. Os dados foram organizados e analisados com auxílio dos softwares Bibexcel, UCINET, Gephi, Philcarto, SPSS, R e Excel 2007. Os 6.350 artigos sugerem que o crescimento anual da produção pode ter sido consequência da ampliação dos Programas de Pós-Graduação (PPGs) com linhas de pesquisa FAE e grupos do Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq), da participação do Brasil nas colaborações internacionais e da instituição da Rede Nacional de Física de Altas Energias (RENAFAE). A distribuição das artigos por Web of Science Category (WC) demonstrou que a área centraliza a publicação em um número reduzido de periódicos estrangeiros de língua inglesa, com destaque para Physical Review D (PRD). A Astronomia & Astrofísica com 45,63% e a Física Nuclear com 18,66% de participação foram as categorias predominantes. Os cientistas nacionais mais produtivos são da subárea experimental e filiados a instituições públicas do eixo Rio de Janeiro-São Paulo. As universidades foram responsáveis por 80,92% da produção. A coautoria entre indivíduos cresceu ao longo do período, registrando média de 155,89 autores por artigo. O estudo por amostragem provou que a parcela de publicações de autoria única (11,39%) está vinculada à Física Teórica. Tanto o crescimento do número de artigos quanto o de colaborações se ajustam ao modelo de regressão linear. O decréscimo da média de instituições por artigo quando consideradas somente as nacionais, denota a preferência pela colaboração internacional em razão do custo e complexidade das investigações. As análises de MDS e clusters confirmam a existência de grupos regionais. A média de países por artigo é de 4,87. A proporção de coautorias internacionais da FAE (49,07%) é superior aos índices verificados na produção científica brasileira em anos recentes. O predomínio de pesquisadores estrangeiros na rede de colaboração confirma a internacionalização da atividade e a presença do Brasil nos experimentos multinacionais. Os indicadores absolutos expressam que EUA, Rússia e França são os principais parceiros. Os indicadores relativos expõem um processo de desconcentração e diversificação das colaborações nacionais, com presença relevante da Colômbia e países do leste europeu. O impacto da pesquisa em FAE aponta que os artigos brasileiros receberam 78.812 citações provenientes de 41.152 documentos. Os dados mostram que 87,65% das publicações foram citadas uma ou mais vezes no período. As características gerais dos citantes revelam a prevalência do artigo publicado em periódico estrangeiro na língua inglesa. A Física de Partículas e Campos com 36,24% e a Astronomia & Astrofísica com 21,17% de participação foram as categorias citantes salientes. Os documentos internacionais representam 88,15% das citações, com distinção para as publicações dos EUA, Alemanha e Itália. O Istituto Nazionale di Fisica Nucleare (INFN) se destaca entre as instituições de filiação dos autores citantes. Conclui que a FAE detém reconhecimento internacional, entretanto, o incremento da participação nas colaborações multinacionais e a intensificação da atividade científica na subárea experimental pode conceder ao Brasil o status dos países desenvolvidos. / Based on bibliometric indicators of production, collaboration and impact, this study investigates the Brazilian scientific papers on High Energy Physics (HEP) indexed by the Science Citation Index (SCI) in the Web of Science (WoS) from 1983 to 2013. All publications in journals embraced by the subject category Physics, Particles & Fields were part of this research. Data were organized and analyzed using the software Bibexcel, UCINET, Gephi, Philcarto, SPSS, R and Excel 2007. The 6.350 papers recovered suggest that the annual growth in production may have been caused by the expansion of Graduate Programs on lines of research related to HEP and by the expansion of groups of the same line in the National Council for Scientific and Technological Development (CNPq), as well as by Brazil’s participation in international collaborations and by the institution of the National Network of High Energy Physics (RENAFAE). The distribution of papers by Web of Science Category (WC) showed that the area centers its publication in a small number of journals in English, especially the Physical Review D (PRD). The predominant categories were Astronomy & Astrophysics, with 45,63% of the publications, and Nuclear Physics, with 18,66%. The most productive Brazilian scientists are from the experimental subarea and affiliated to public institutions in Rio de Janeiro and São Paulo. Universities were responsible for 80,92% of the output. The numbers related to coauthorship grew in the researched period, registering an average of 155,89 authors per article. The study sample proved that the share of single authorship publications (11,39%) is tied to Theoretical Physics. The growth in both the number of articles and the number of collaborations is coherent with the linear regression model. The decrease in the average of institutions per article when considering only the Brazilian institutions indicates the preference for international collaborations due to the cost and complexity of the researches. MDS and clusters analyzes confirm the existence of regional groups. The average of countries per article is of 4,87. HEP’s proportion of international coauthorship (49,07%) is higher than the rates found in the Brazilian scientific output in recent years. The predominance of foreign researchers in the collaboration network confirms the internationalization of the activity and the presence of Brazil in multinational experiments. Absolute indicators show that the U.S.A., Russia and France are Brazil’s main partners in coauthored publications. Relative indicators display a process of decentralization and diversification of Brazilian collaborations, with a significant presence of Colombia and Eastern Europe in the coauthorships. Impact indicators show that Brazilian papers received 78.812 citations to 41.152 documents. The data show that 87,65% of the publications were mentioned one or more times during the period. The general characteristics of the articles that cited Brazilian works revealed a predominance of publications in foreign journals and in English. Field and Particle Physics, with 36,24%, and Astronomy & Astrophysics, with 21,17%, were the two categories that most cited Brazilian works in the area. International documents represent 88,15% of the citations, especially the publications by the U.S.A., Germany and Italy. The Istituto Nazionale di Fisica Nucleare (INFN) stands out among the institutions which the citing authors are affiliated to. The study concludes that HEP has international recognition; however, the increase in Brazil’s participation in multinational collaborations and the intensification of scientific activity in the experimental subarea can give Brazil the same status granted to developed countries. / Con base en indicadores bibliométricos de producción, colaboración e impacto, este trabajo investiga los artículos científicos brasileños de Física de Altas Energías (FAE) indexados por el Science Citation Index (SCI) de la Web of Science (WoS) en el período de 1983-2013. Hicieron parte del estudio todas las publicaciones en revistas incluidas en la categoría de materias Physics, Particles & Fields. Los datos fueron organizados y analizados con ayuda de los softwares Bibexcel, UCINET, Gephi, Philcarto, SPSS, R y Excel 2007. Los 6.350 artículos sugieren que el crecimiento de la producción anual puede haber sido consecuencia de la expansión de los Programas de Postgrado con líneas de investigación FAE y grupos del Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq), de la participación de Brasil en las colaboraciones internacionales y de la institución de la Rede Nacional de Física de Altas Energias (RENAFAE). La distribución de los artículos por Web of Science Category (WC) demostró que la área centraliza la publicación en un número reducido de periódicos extranjeros de lengua inglesa, con realce para Physical Review D (PRD). Astronomía & Astrofísica con 45,63% y Física Nuclear con 18,66% de participación fueron las categorías predominantes. Los científicos brasileños más productivos son de la subárea experimental y pertenecen a instituciones públicas del eje Rio de Janeiro-São Paulo. Las universidades fueron responsables por 80,92% de la producción. La co-autoría entre individuos creció durante el período, registrando media de 155,89 autores por artículo. El estudio por muestreo demostró que la fracción de publicaciones de autoria única (11,39%) está vinculada a la Física Teórica. Tanto el crecimiento del número de artículos como el de colaboraciones se ajustan al modelo de regresión lineal. La disminución de la media de las instituciones por artículo cuando consideradas solamente las nacionales, denota a preferencia por la colaboración internacional debido a los costos y complejidad de las investigaciones. Los análisis de MDS y clusters confirman la existencia de grupos regionales. La media de países por artículo es de 4,87. La proporción de co-autorías internacionales de la FAE (49,07%) es superior a las tasas verificadas en la producción científica brasileña en los últimos años. El predominio de investigadores extranjeros en la red de colaboración confirma la internacionalización de la actividad y la presencia de Brasil en los experimentos multinacionales. Los indicadores absolutos muestran que los EE.UU., Rusia y Francia son los principales socios. Los indicadores relativos exponen un proceso de descentralización y diversificación de las colaboraciones nacionales, con presencia relevante de Colombia y países del este europeo. El impacto de la investigación en FAE señala que los artículos brasileños recibieron 78.812 citas provenientes de 41,152 documentos. Los datos muestran que 87,65% de las publicaciones fueron citadas una o más veces en el período. Las características generales de los citandos revelan el predominio del artículo publicado en revista extranjera en lengua inglesa. La Física de Partículas y Campos con 36,24% y la Astronomía & Astrofísica con 21,17% de participación fueron las categorías citandas salientes. Los documentos internacionales representan 88,15% de las citas, con distinción para las publicaciones de Estados Unidos, Alemania e Italia. El Istituto Nazionale di Fisica Nucleare (INFN) se destaca entre las instituciones de los autores citandos. Concluye que la FAE tiene reconocimiento internacional, sin embargo, el aumento de la participación en las colaboraciones multinacionales y la intensificación de la actividad científica en la subárea experimental pueden darle al Brasil el status de los países desarrollados.
117

O vínculo entre documentos de patentes e a informação obtida emperiódicos científicos: estudo aplicado à área câncer de mama

Ferreira, Camila Belo Tavares 29 March 2012 (has links)
Made available in DSpace on 2015-10-19T11:50:25Z (GMT). No. of bitstreams: 1 ferreira012012.pdf: 858657 bytes, checksum: ddbf9a5656eab665a43259e0bcdc07ee (MD5) Previous issue date: 2012-03-29 / Estudo exploratório bibliométrico dedicado à identificação de periódicos científicos que expressam a base de pesquisa técnico-científica na produção de novas tecnologias apresentada em documentos de patentes sobre câncer de mama. Analisa as contribuições das publicações científicas para a produção tecnológica por meio das citações a artigos de periódico em documentos de patentes publicados via Tratado de Cooperação em Matéria de Patente (PCT) na área de câncer de mama de 2009 a 2010. Aplica a Lei de Bradford e a Lei de Elitismo nos periódicos citados nos relatórios descritivos dos pedidos de patentes e identifica a vida média da literatura periódica citada. No que tange ao consumo de informação, verificou-se que a produção de tecnologia é papirocêntrica. Demonstra que as tecnologias do setor neoplasias mamárias reivindicadas via PCT em 2009 e 2010 são fortemente baseadas em publicações científicas visto que, os relatórios descritivos dos pedidos apresentam 74% de citações à literatura não patentária, sendo 66% periódicas (3916 citações) e 8% (466) não periódicas. A alta incidência de citações à literatura científica nesses relatórios reflete a interação da pesquisa científica com o desenvolvimento de tecnologias na área de oncogenética e biotecnologia. Dentre os 581 periódicos citados, relaciona os 27 periódicos membros da elite e identifica que 11 periódicos são especializados em oncologia/neoplasias em geral e dois periódicos em neoplasias mamárias. Os pedidos de patente analisados são baseados na literatura científica periódica dos últimos sete anos. As referências mais antigas, 1957 nos pedidos de 2010 e 1961 nos pedidos de 2009, demonstram que os intervalos de tempo entre informação científica e tecnológica neste setor não são longos. Os resultados analisados em conjunto com a revisão de literatura indicam algumas semelhanças no padrão de citação a periódicos, especialmente, na representação temática da biotecnologia e oncogenética. Os resultados da pesquisa apontam a importância do uso e acesso aos periódicos compreendidos na elite da amostra tanto para pesquisa científica quanto ao desenvolvimento tecnológico
118

Kiš, Kish or Kiški? : A Bibliometrics study of the domain Assyriology / Kiš, Kish eller Kiški? : En bibliometrisk studie av domänen assyriologi

Larsson, Olivia January 2021 (has links)
This thesis aims to examine how the domain Assyriology can be analyzed with bibliometrics. It uses the domain analytic perspective by Birger Hjørland and Hanne Albrechtsen. The metadata was collected through the Web of Science and the dataset covers the years 2016-2020 from the journals Akkadica, Journal of Near Eastern Studies, Ancient Near Eastern studies, Journal of Ancient Near Eastern Religions and Zeitschrift für Assyriologie und Vorderasiatische Archäologie. The domain was studied by analyzing citations, the documents, languages, place of publication, the age of references and the authors by visualizing patterns in figures and tables. Co-authorship analysis was used to display collaboration between countries. The content was analyzed with co-citation analysis of references and co-word analysis of title words to visualize the knowledge structures within the domain. The study found that Co-word analysis did give a general idea of different knowledge patterns but there were few clear structures. The co-citation analysis was found to reveal more clear structures though the references had a low citation rate and so might not be representative of the whole domain. It was found to be effective to use tables and figures to visualize certain aspects and patterns within the domain. In conclusion, bibliometrics was found to be effective to gain knowledge about the domain Assyriology. This is a two years master's thesis in Library and Information Science. / Den här uppsatsen ämnar att analysera hur domänen assyriologi kan analyseras med hjälp av bibliometri. Uppsatsen använder ett domänanalytiskt perspektiv av Birger Hjørland and Hanne Albrechtsen. Metadatan har samlats in från Web of Science och datasetet består material från tidsperioden 2016-2020 från tidskrifterna AkkAncient Near Eastern studies, adica, Journal of Near Eastern Studies, Journal of Ancient Near Eastern Religions and Zeitschrift für Assyriologie und Vorderasiatische Archäologie. Domänen studerades genom att analysera citeringar, materialet, språken, vart materialet publicerades, åldern på referenserna och författarna genom att visualisera mönster i figurer och tabeller. Forskningssamarbeten analyserades för att visa samarbeten mellan länder. Innehållet analyserades med en cociteringsanalys av referenser och en cowordanalys av titelord för att visualisera kognitiva strukturer inom domänen. Studien fann att cowordanalys gav en generell bild av olika kongnitiva strukturer men det fanns få tydliga strukturer. Cociteringsanalysen hittade fler tydliga strukturer men referenserna hade få citeringar och det är därmed möjligt att det inte representerar hela domänen. Det var effektivt att använda sig av tabeller och figurer för att visualisera olika aspekter inom domänen. Sammansfattningsvis, bibliometri var användart för att få nya kunskaper om domänen assyriologi.
119

The characteristics and impact of non-source items in the social sciences / a pilot study of two political science departments in Germany

Chi, Pei-Shan 03 November 2014 (has links)
Publikationen, die nicht in Web of Science bzw. Scopus indexiert sind, werden als sogenannte „non-source items“ bezeichnet. Bislang wurden sie in bibliometrischen Studien vernachlässigt. Das zentrale Anliegen dieser Studie ist die Untersuchung der Publikations- und Zitationscharakteristika von Dokumenten in den Sozialwissenschaften unter besonderer Berücksichtigung von non-source items, unabhängig vom jeweiligen Dokumenttyp. Indem die Publikationen zweier führender deutscher politikwissenschaftlicher Universitätsinstitute ausgewertet werden, werden die Auswirkungen der Berücksichtigung von non-source items in bibliometrischen Evaluationen in den Sozialwissenschaften untersucht und die folgenden drei Forschungsfragen beantwortet: FF1: Was sind die Charakteristika von Publikationen in den Politikwissenschaften? FF2: Was sind Charakteristika von non-source-items und wie ist deren Impact in der Politikwissenschaft? FF3: Wie können non-source items in bibliometrische Evaluation eingeschlossen werden? Kurz gefasst lässt sich festhalten, dass non-source items in bibliometrischen Evaluationen berücksichtigt werden sollten, unabhängig von ihrem Impact oder ihrer Zitationen. Eine umfassendere Zitationsdatenbank ist notwendig, um qualitativ hochwertige Evaluationen in den Sozialwissenschaften zu ermöglichen. Die Autorin schlägt verschiedene Möglichkeiten vor, den Impact von non-source items in der Politikwissenschaft zu untersuchen und macht einen Vorschlag zur alternativen Evaluation basierend auf Publikations- und Zitationsmustern. Die Strukturen der hier erörterten Formel, Datenbank und des Evaluationssystems können gleichermaßen in anderen sozialwissenschaftlichen Disziplinen angewendet werden. Allerdings sind weitere empirische Untersuchungen in anderen Disziplinen notwendig, um die entsprechenden Faktoren und Werte bestimmen zu können, da die Disziplinen stark heterogen sind. / Publications that are not indexed by Web of Science or Scopus are named “non-source items”. These have so far been neglected by most bibliometric analyses. The central issue of this study is to investigate the publication and citation characteristics of items in the social sciences with special attention to non-source items of all document types. By analyzing the publications of two top-ranking political science university departments in Germany, this study explores the effect of the inclusion of non-source items in bibliometric evaluations in the social sciences, and answers the following three research questions: RQ1: What are the characteristics of publications in political science? RQ2: What are the characteristics and impact of non-source items in political science? RQ3: How to include non-source items into bibliometric evaluation in political science? In short, the results of this study show that non-source items should be included in bibliometric evaluations, regardless of their impact or the citations from them. The demand for a more comprehensive coverage of bibliometric databases in the social sciences for a higher quality of evaluations is shown. The author proposes several approaches to investigate the impact of non-source items in political science and suggests an alternative to evaluate German political scientists according to their publication and citation patterns. The empirical findings of this study can serve as valuable information to investigators of the social sciences. However, further empirical studies in different fields are needed, due to the significant heterogeneity among fields in the social sciences.
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資訊檢索之學術智慧 / Research Intelligence Involving Information Retrieval

杜逸寧, Tu, Yi-Ning Unknown Date (has links)
偵測新興議題對於研究者而言是一個相當重要的問題,研究者如何在有限的時間和資源下探討同一領域內的新興議題將比解決已經成熟的議題帶來較大的貢獻和影響力。本研究將致力於協助研究者偵測新興且具有未來潛力的研究議題,並且從學術論文中探究對於研究者在做研究中有幫助的學術智慧。在搜尋可能具有研究潛力的議題時,我們假設具有研究潛力的議題將會由同一領域中較具有影響力的作者和刊物發表出,因此本研究使用貝式估計的方法去推估同一領域中相關的研究者和學術刊物對於該領域的影響力,進而藉由這些資訊可以找出未來具有潛力的新興候選議題。此外就我們所知的議題偵測文獻中對於認定一個議題是否已經趨於成熟或者是否新穎且具有研究的潛力仍然缺乏有效及普遍使用的衡量工具,因此本研究試圖去發展有效的衡量工具以評估議題就本身的發展生命週期是否仍然具有繼續投入的學術價值。 本研究從許多重要的資料庫中挑選了和資料探勘和資訊檢索相關的論文並且驗證這些在會議論文中所涵蓋的議題將會領導後續幾年期刊論文相似的議題。此外本研究也使用了一些已經存在的演算法並且結合這些演算法發展一個檢測的流程幫助研究者去偵測學術論文中的領導趨勢並發掘學術智慧。本研究使用貝式估計的方法試圖從已經發表的資訊和被引用的資訊來建構估計作者和刊物的影響力的事前機率與概似函數,並且計算出同一領域重要的作者和刊物的影響力,當這些作者和刊物的論文發表時將會相對的具有被觀察的價值,進而檢定這些新興候選議題是否會成為新興議題。而找出的重要研究議題雖然已經縮小探索的範圍,但是仍然有可能是發展成熟的議題使得具有影響力的作者和刊物都必須討論,因此需要評估議題未來潛力的指標或工具。然而目前文獻中對於評估議題成熟的方法僅著重在議題的出現頻率而忽視了議題的新穎度也是重要的指標,另一方面也有只為了找出新議題並沒有顧及這個議題是否具有未來的潛力。更重要的是單一的使用出現頻率的曲線只能在議題已經成熟之後才能確定這是一個重要的議題,使得這種方法成為落後的指標。 本研究試圖提出解決這些困境的指標進而發展成衡量新興議題潛力的方法。這些指標包含了新穎度指標、發表量指標和偵測點指標,藉由這些指標和曲線可以在新興議題的偵測中提供更多前導性的資訊幫助研究者去建構各自領域中新興議題的偵測標準。偵測點所代表的意義並非這個議題開始新興的正確日期,它代表了這個議題在自己發展的生命週期上最具有研究的潛力和價值的時間點,因此偵測點會根據後來的蓬勃發展而在時間上產生遞延的結果,這表示我們的指標可以偵測出議題生命力的延續。相對於傳統的次數分配曲線可以看出議題的崛起和衰退,本研究的發表量指標更能以生命週期的概念去看出議題在各個時間點的發展潛力。本研究希望從這些過程中所發現的學術智慧可以幫助研究者建構各自領域的議題偵測標準,節省大量人力與時間於探究新興議題。本研究所提出的新方法不僅可以解決影響因子這個指標的缺點,此外還可以使用作者和刊物的影響力去針對一個尚未累積任何索引次數的論文進行潛力偵測,解決Google 學術搜尋目前總是在論文已經被很多檢索之後才能確定論文重要性的缺點,學者總是希望能夠領先發現重要的議題或論文。然而,我們以議題為導向的檢索方法相信可以更確實的滿足研究者在搜尋議題或論文上的需求。 / This research presents endeavors that seek to identify the emerging topics for researchers and pinpoint research intelligence via academic papers. It is intended to reveal the connection between topics investigated by conference papers and journal papers which can help the research decrease the plenty of time and effort to detect all the academic papers. In order to detect the emerging research topics the study uses the Bayesian estimation approach to estimate the impact of the authors and publications may have on a topic and to discover candidate emerging topics by the combination of the impact authors and publications. Finally the research also develops the measurement tools which could assess the research potential of these topics to find the emerging topics. This research selected huge of papers in data mining and information retrieval from well-known databases and showed that the topics covered by conference papers in a year often leads to similar topics covered by journal papers in the subsequent year and vice versa. This study also uses some existing algorithms and combination of these algorithms to propose a new detective procedure for the researchers to detect the new trend and get the academic intelligence from conferences and journals. The research uses the Bayesian estimation approach and citation analysis methods to construct the prior distribution and likelihood function of the authors and publications in a topic. Because the topics published by these authors and publications will get more attention and valuable than others. Researchers can assess the potential of these candidate emerging topics. Although the topics we recommend decrease the range of the searching space, these topics may so popular that even all of the impact authors and publications discuss it. The measurement tools or indices are need. But the current methods only focus on the frequency of subjects, and ignore the novelty of subjects which is critical and beyond the frequency study or only focus one of them and without considering the potential of the topics. Some of them only use the curve of published frequency will make the index as a backward one. This research tackles the inadequacy to propose a set of new indices of novelty for emerging topic detection. They are the novelty index (NI) and the published volume index (PVI). These indices are then utilized to determine the detection point (DP) of emerging topics. The detection point (DP) is not the real time which the topic starts to be emerging, but it represents the topic have the highest potential no matter in novelty or hotness for research in its life cycle. Different from the absolute frequent method which can really find the exact emerging period of the topic, the PVI uses the accumulative relative frequency and tries to detect the research potential timing of its life cycle. Following the detection points, the intersection decides the worthiness of a new topic. Readers following the algorithms presented this thesis will be able to decide the novelty and life span of an emerging topic in their field. The novel methods we proposed can improve the limitations of impact factor proposed by ISI. Besides, it uses the impact power of the authors and the publication in a topic to measure the impact power of a paper before it really has been an impact paper can solve the limitations of Google scholar’s approach. We suggest that the topic oriented thinking of our methods can really help the researchers to solve their problems of searching the valuable topics.

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