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Related papers: Mapping the Chinese Science Citation Database

200 papers

The journal structure in the China Scientific and Technical Papers and Citations Database (CSTPCD) is analysed from three perspectives: the database level, the specialty level and the institutional level (i.e., university journals versus…

Digital Libraries · Computer Science 2009-11-17 Ping Zhou , Loet Leydesdorff

The ISI subject categories classify journals included in the Science Citation Index (SCI). The aggregated journal-journal citation matrix contained in the Journal Citation Reports can be aggregated on the basis of these categories. This…

Physics and Society · Physics 2009-11-06 Loet Leydesdorff , Ismael Rafols

The aggregated citation relations among journals included in the Science Citation Index provide us with a huge matrix which can be analyzed in various ways. Using principal component analysis or factor analysis, the factor scores can be…

Digital Libraries · Computer Science 2009-11-19 Loet Leydesdorff

Based on the citation data of journals covered by the China Scientific and Technical Papers and Citations Database (CSTPCD), we obtained aggregated journal-journal citation environments by applying routines developed specifically for this…

Digital Libraries · Computer Science 2009-11-17 Ping Zhou , Loet Leydesdorff

Using bibliometric methods, we investigate China's international scientific collaboration from 3 levels of collaborating countries, institutions and individuals. We design a database in SQL Server, and make analysis of Chinese SCI papers…

Digital Libraries · Computer Science 2014-10-07 Xianwen Wang , Shenmeng Xu , Zhi Wang , Lian Peng , Chuanli Wang

The aggregated journal-journal citation matrix derived from the Journal Citation Reports 2001 can be decomposed into a unique subject classification by using the graph-analytical algorithm of bi-connected components. This technique was…

Digital Libraries · Computer Science 2009-12-08 Loet Leydesdorff

Using the Scopus dataset (1996-2007) a grand matrix of aggregated journal-journal citations was constructed. This matrix can be compared in terms of the network structures with the matrix contained in the Journal Citation Reports (JCR) of…

Physics and Society · Physics 2009-09-18 Loet Leydesdorff , Felix de Moya-Anegon , Vicente P. Guerrero-Bote

The two Journal Citation Reports of the Science Citation Index 2004 and the Social Science Citation Index 2004 were combined in order to analyze and map journals and specialties at the edges and in the overlap between the two databases. For…

Physics and Society · Physics 2009-11-17 Loet Leydesdorff

Aggregated journal-journal citation networks based on the Journal Citation Reports 2004 of the Science Citation Index (5968 journals) and the Social Science Citation Index (1712 journals) are made accessible from the perspective of any of…

Digital Libraries · Computer Science 2009-11-17 Loet Leydesdorff

We argue that the communication structures in the Chinese social sciences have not yet been sufficiently reformed. Citation patterns among Chinese domestic journals in three subject areas -- political science and marxism, library and…

Physics and Society · Physics 2010-02-19 Ping Zhou , Xinning Su , Loet Leydesdorff

A number of journal classification systems have been developed in bibliometrics since the launch of the Citation Indices by the Institute of Scientific Information (ISI) in the 1960s. These systems are used to normalize citation counts with…

Digital Libraries · Computer Science 2016-07-22 Loet Leydesdorff , Lutz Bornmann , Ping Zhou

This paper investigates the Twitter interaction patterns of journals from the Science Citation Index (SCI) of Master Journal List (MJL). A total of 953,253 tweets extracted from 857 journal accounts, were analyzed in this study. Findings…

Digital Libraries · Computer Science 2019-11-19 Aravind Sesagiri Raamkumar , Mojisola Erdt , Harsha Vijayakumar , Aarthy Nagarajan , Yin-Leng Theng

Contemporary scientific exchanges are international, yet language continues to be a persistent barrier to scientific communication, particularly for non-native English-speaking scholars. Since the ability to absorb knowledge has a strong…

Digital Libraries · Computer Science 2019-08-22 Kaile Gong , Juan Xie , Ying Cheng , Vincent Larivière , Cassidy R. Sugimoto

Until recently, Chinese texts could not be studied using co-word analysis because the words are not separated by spaces in Chinese (and Japanese). A word can be composed of one or more characters. The online availability of programs that…

Computation and Language · Computer Science 2009-11-10 Loet Leydesdorff , Ping Zhou

We compare the network of aggregated journal-journal citation relations provided by the Journal Citation Reports (JCR) 2012 of the Science and Social Science Citation Indexes (SCI and SSCI) with similar data based on Scopus 2012. First,…

Digital Libraries · Computer Science 2014-06-17 Loet Leydesdorff , Félix de Moya-Anegón , Wouter de Nooy

To comprehend the multipartite organization of large-scale biological and social systems, we introduce a new information theoretic approach that reveals community structure in weighted and directed networks. The method decomposes a network…

Physics and Society · Physics 2008-02-13 M. Rosvall , C. T. Bergstrom

Web of Science and Scopus are two world-leading and competing citation databases. By using the Science Citation Index Expanded and Social Sciences Citation Index, this paper conducts a comparative, dynamic, and empirical study focusing on…

Digital Libraries · Computer Science 2020-02-10 Junwen Zhu , Weishu Liu

Scientific journals are the repositories of the gradually accumulating knowledge of mankind about the world surrounding us. Just as our knowledge is organised into classes ranging from major disciplines, subjects and fields to increasingly…

Physics and Society · Physics 2015-08-13 Gergely Palla , Gergely Tibély , Enys Mones , Péter Pollner , Tamás Vicsek

Classifying journals or publications into research areas is an essential element of many bibliometric analyses. Classification usually takes place at the level of journals, where the Web of Science subject categories are the most popular…

Digital Libraries · Computer Science 2012-03-05 Ludo Waltman , Nees Jan van Eck

The purpose of this study is to compare Web of Science (WoS) with a Chinese bibliometric database in terms of authors and their performance, demonstrate the extent of the overlap between the two groups of Chinese most productive authors in…

Digital Libraries · Computer Science 2018-12-11 Fei Shu , Charles-Antoine Julien , Vincent Lariviere
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