-
Haycock, L.A.: Citation analysis of education dissertations for collection development (2004)
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- Date
- 10. 9.2000 17:38:22
- Source
- Library resources and technical services. 48(2004) no.2, S.102-106
- Year
- 2004
-
Wettlauf der Wissenschaft (2004)
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- Footnote
- Vgl.: http://www.i-med.ac.at/mypoint/news/2004051201.xml (cf) (Quelle: U.S. Is Losing Its Dominance In the Sciences, by WI LLIAM J. BROAD, New York Times, May 3, 2004)
- Source
- Online Mitteilungen. 2004, Nr.79, S.22-23 [=Mitteilungen VÖB 57(2004) H.2]
- Year
- 2004
-
Christoffersen, M.: Identifying core documents with a multiple evidence relevance filter (2004)
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- Source
- Scientometrics. 61(2004) no.3, S.385-394
- Year
- 2004
-
Hauffe, H.: ¬The role of citation analysis in the history and evaluation of science : Bericht über einen Vortrag von Eugene Garfield (Wien, 26. Mai 2004) (2004)
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- Source
- Online Mitteilungen. 2004, Nr.79, S.7-9 [=Mitteilungen VÖB 57(2004) H.2]
- Year
- 2004
-
Mukherjee, B.: Do open-access journals in library and information science have any scholarly impact? : a bibliometric study of selected open-access journals using Google Scholar (2009)
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- Abstract
- Using 17 fully open-access journals published uninterruptedly during 2000 to 2004 in the field of library and information science, the present study investigates the impact of these open-access journals in terms of quantity of articles published, subject distribution of the articles, synchronous and diachronous impact factor, immediacy index, and journals' and authors' self-citation. The results indicate that during this 5-year publication period, there are as many as 1,636 articles published by these journals. At the same time, the articles have received a total of 8,591 Web citations during a 7-year citation period. Eight of 17 journals have received more than 100 citations. First Monday received the highest number of citations; however, the average number of citations per article was the highest in D-Lib Magazine. The value of the synchronous impact factor varies from 0.6989 to 1.0014 during 2002 to 2005, and the diachronous impact factor varies from 1.472 to 2.487 during 2000 to 2004. The range of the immediacy index varies between 0.0714 and 1.395. D-Lib Magazine has an immediacy index value above 0.5 in all the years whereas the immediacy index value varies from year to year for the other journals. When the citations of sample articles were analyzed according to source, it was found that 40.32% of the citations came from full-text articles, followed by 33.35% from journal articles. The percentage of journals' self-citation was only 6.04%.
- Date
- 22. 3.2009 17:54:59
-
Leydesdorff, L.; Sun, Y.: National and international dimensions of the Triple Helix in Japan : university-industry-government versus international coauthorship relations (2009)
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- Abstract
- International co-authorship relations and university-industry-government (Triple Helix) relations have hitherto been studied separately. Using Japanese publication data for the 1981-2004 period, we were able to study both kinds of relations in a single design. In the Japanese file, 1,277,030 articles with at least one Japanese address were attributed to the three sectors, and we know additionally whether these papers were coauthored internationally. Using the mutual information in three and four dimensions, respectively, we show that the Japanese Triple-Helix system has been continuously eroded at the national level. However, since the mid-1990s, international coauthorship relations have contributed to a reduction of the uncertainty at the national level. In other words, the national publication system of Japan has developed a capacity to retain surplus value generated internationally. In a final section, we compare these results with an analysis based on similar data for Canada. A relative uncoupling of national university-industry-government relations because of international collaborations is indicated in both countries.
- Date
- 22. 3.2009 19:07:20
-
Thelwall, M.; Sud, P.: Mendeley readership counts : an investigation of temporal and disciplinary differences (2016)
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- Abstract
- Scientists and managers using citation-based indicators to help evaluate research cannot evaluate recent articles because of the time needed for citations to accrue. Reading occurs before citing, however, and so it makes sense to count readers rather than citations for recent publications. To assess this, Mendeley readers and citations were obtained for articles from 2004 to late 2014 in five broad categories (agriculture, business, decision science, pharmacy, and the social sciences) and 50 subcategories. In these areas, citation counts tended to increase with every extra year since publication, and readership counts tended to increase faster initially but then stabilize after about 5 years. The correlation between citations and readers was also higher for longer time periods, stabilizing after about 5 years. Although there were substantial differences between broad fields and smaller differences between subfields, the results confirm the value of Mendeley reader counts as early scientific impact indicators.
- Date
- 16.11.2016 11:07:22
-
Burrell, Q.L.: Fitting Lotka's law : some cautionary observations on a recent paper by Newby et al. (2003) (2004)
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- Source
- Journal of the American Society for Information Science and Technology. 55(2004) no.13, S.1209-1210
- Year
- 2004
-
Chen, C.: CiteSpace II : detecting and visualizing emerging trends and transient patterns in scientific literature (2006)
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- Abstract
- This article describes the latest development of a generic approach to detecting and visualizing emerging trends and transient patterns in scientific literature. The work makes substantial theoretical and methodological contributions to progressive knowledge domain visualization. A specialty is conceptualized and visualized as a time-variant duality between two fundamental concepts in information science: research fronts and intellectual bases. A research front is defined as an emergent and transient grouping of concepts and underlying research issues. The intellectual base of a research front is its citation and co-citation footprint in scientific literature - an evolving network of scientific publications cited by research-front concepts. Kleinberg's (2002) burst-detection algorithm is adapted to identify emergent research-front concepts. Freeman's (1979) betweenness centrality metric is used to highlight potential pivotal points of paradigm shift over time. Two complementary visualization views are designed and implemented: cluster views and time-zone views. The contributions of the approach are that (a) the nature of an intellectual base is algorithmically and temporally identified by emergent research-front terms, (b) the value of a co-citation cluster is explicitly interpreted in terms of research-front concepts, and (c) visually prominent and algorithmically detected pivotal points substantially reduce the complexity of a visualized network. The modeling and visualization process is implemented in CiteSpace II, a Java application, and applied to the analysis of two research fields: mass extinction (1981-2004) and terrorism (1990-2003). Prominent trends and pivotal points in visualized networks were verified in collaboration with domain experts, who are the authors of pivotal-point articles. Practical implications of the work are discussed. A number of challenges and opportunities for future studies are identified.
- Date
- 22. 7.2006 16:11:05
-
Thelwall, M.; Vaughan, L.: Webometrics : an introduction to the special issue (2004)
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- Source
- Journal of the American Society for Information Science and Technology. 55(2004) no.14, S.1213-1215
- Year
- 2004
-
Nicholls, P.T.: Empirical validation of Lotka's law (1986)
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- Source
- Information processing and management. 22(1986), S.417-419
-
Nicolaisen, J.: Citation analysis (2007)
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- Date
- 13. 7.2008 19:53:22
-
Fiala, J.: Information flood : fiction and reality (1987)
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- Source
- Thermochimica acta. 110(1987), S.11-22
-
Feitelson, D.G.; Yovel, U.: Predictive ranking of computer scientists using CiteSeer data (2004)
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- Source
- Journal of documentation. 60(2004) no.1, S.44-61
- Year
- 2004
-
Cronin, B.; Shaw, D.; LaBarre, K.: Visible, Less Visible, and Invisible Work : Patterns of Collaboration in 20th Century Chemistry (2004)
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- Source
- Journal of the American Society for Information Science and technology. 55(2004) no.2, S.160-168
- Year
- 2004
-
Nourmohammadi, H.A.; Umstätter, W.: ¬Die Verteilung der Autorenhäufigkeit in wissenschaftlichen Zeitschriften bei verschiedenen Themen und Ländern (2004)
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- Source
- Information - Wissenschaft und Praxis. 55(2004) H.5, S.275-281
- Year
- 2004
-
Pulgarin, A.; Gil-Leiva, I.: Bibliometric analysis of the automatic indexing literature : 1956-2000 (2004)
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- Source
- Information processing and management. 40(2004) no.2, S.365-377
- Year
- 2004
-
Bar-Ilan, J.; Peritz, B.C.: Evolution, continuity, and disappearance of documents on a specific topic an the Web : a longitudinal study of "informetrics" (2004)
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- Source
- Journal of the American Society for Information Science and Technology. 55(2004) no.11, S.980-990
- Year
- 2004
-
Björneborn, L.; Ingwersen, P.: Toward a basic framework for Webometrics (2004)
0.02
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- Source
- Journal of the American Society for Information Science and Technology. 55(2004) no.14, S.1216-1227
- Year
- 2004
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Cothey, V.: Web-crawling reliability (2004)
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- Source
- Journal of the American Society for Information Science and Technology. 55(2004) no.14, S.1228-1238
- Year
- 2004
