Recent studies have shown that the Scopus bibliometric database is probably less accurate than one thinks. As a further evidence of this fact, this paper presents a structured collection of several weird typologies of database errors, which can therefore be classified as horrors. Some of them concern the incorrect indexing of so-called Online-First paper, duplicate publications, and the missing...

ed/Indexed Universe 12,597 73,708 17.09% 61,111 Core 11,273 41,049 27.48% 29,756 Electronic Journal Universe 10,189 56,215 18.13% 46,026 Core 9,535 29,309 32.53% 19,774 Magazines for Libraries Universe 2,712 11,646 23.29% 8,934 Core 2,601 7,458 34.88% 4,857 F. DE MOYA-ANEGÓN et al.: Coverage analysis of Scopus Scientometrics 73 (2007) 57 Scopus matches 5.55% of the journal titles in relation to...

Setting and participants. A systematic search of the following databases was performed: psycINFO (1967–2008), ERIC (1965–2008), Ovid MEDLINE(R) (1950–2008), Scopus (1996– 2008) and Ovid Current

Introduction. Publishing research findings in open access journals is a means of enhancing visibility and consequently increasing the impact of publications. This study provides an overview of open access publishing in premier research institutes of India. Method. The publication output of each institution from 2003 to 2007 was ascertained through Scopus and the name of source journals along wi...

According to the bibliographical data included in theWeb of Science, SCOPUS, Chemical Abstracts, and other specialized information services covering the period 1900– 1950, the first publications in mainstream journals by Mexican researchers appeared only in the first decades of the 20th century. Contrary to expectations,we find that the academic community was not the protagonist in the early st...

The large multidisciplinary academic social web site ResearchGate aims to help academics to connect with each other and to publicise their work. Despite its popularity, little is known about the age and discipline of the articles uploaded and viewed in the site and whether publication statistics from the site could be useful impact indicators. In response, this article assesses samples of Resea...

F1000 recommendations have been assessed as a potential data source for research evaluation, but the reasons for differences between F1000 Article Factor (FFa scores) and citations remain unexplored. By linking recommendations for 28,254 publications in F1000 with citations in Scopus, we investigated the effect of research level (basic, clinical, mixed) and article type on the internal consiste...

The SCImago Institutions Rankings (SIR) World Reports publish annually an international ranking of more than 2000 research institutions and organizations. The reports list indicator values based on publication and citation data from Scopus (Elsevier) for research-devoted institutions with at least 100 papers published within one year. The second edition published in 2010 included for each insti...

Impact factors (and similar measures such as the Scimago Journal Rankings) suffer from two problems: (i) citation behavior varies among fields of science and therefore leads to systematic differences, and (ii) there are no statistics to inform us whether differences are significant. The recently introduced SNIP indicator of Scopus tries to remedy the first of these two problems, but a number of...