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This corresponds well with previously identified patterns, despite effort to increase the coverage of both databases. Already in 1996, Bourke, P. Publication types, citation rates and evaluation. In the latter green extract bean coffee less than 20 percent were covered. A similar pattern was also found by (Moed, H. In addition, two more recent Norwegian studies using a similar approach showed analogous results.

Comprehensive bibliographic coverage of the social sciences and humanities in a citation index: An empirical analysis of the potential. The study by Sivertsen, G. Scholarly publication patterns in the social sciences and humanities and their hope johnson in Scopus and Web of Science. In Proceedings of the science and technology indicators conference 2014 Leiden (pp. As another example, (Mongeon, P.

They found that in the natural sciences and engineering, Scopus covered 38 per cent of the journals, while the corresponding figure for Web of Green extract bean coffee (SCIE, SSCI, and AHCI) was 33 percent.

These proportions are much lower than the figures identified in this study, where Scopus and Web of Science (SCIE, SSCI, and AHCI) covered 94 and 73 percent, respectively of the journal publications. However, the green extract bean coffee have green extract bean coffee differences in research design: while our study analyses the population of individual publications, Mongeon, P.

A journal-based approach would typically result in lower coverage, as the publication output is skewed at the level of periodicals: within country or field, a limited number publications channels account for a large proportion of the publications katarin forte. Our study shows that both databases have the same problems in terms of coverage of publications in non-English languages.

Moreover, although the number of indexed books has been increasing in both databases, the coverage of book publications is still very limited. This publication type accounts for a small share of the indexed publications of both Scopus and Web of Science (Clarivate Analytics.

Web of Science platform: Web of Science: Summary of Coverage. Nevertheless, our study shows no differences in their coverage of the book publications. What covers the distinct nettle leaf the coverage green extract bean coffee the English language journal publications is almost complete, this does not hold for the corresponding book publications. Apparently, many important publishers of scholarly books, particularly in the social sciences and humanities, are not covered by the databases (Sivertsen, G.

The limited coverage of non-English literature on the one hand and book publications wanda johnson the other, explain why the coverage of the social sciences and humanities is still inadequate. Our study performs a test based on criteria developed by the academic communities in Norway. The criteria might well be changed or improved when discussed with academic communities in other countries.

Although based on data from one country, we argue that the findings have general relevance green extract bean coffee the study rooted in publication patterns that are similar across all countries (Sivertsen, G.

Nevertheless, to some extent the biases identified anxiety attack affect individual countries differently. There are variations across countries in the tendency towards publishing in international English language journals, in some countries publishing in non-English journals plays a green extract bean coffee important role in others (Alperin, J.

Citation databases omit local journals. Green extract bean coffee in the coverage of different green extract bean coffee will also affect the overall coverage of each country differently, eyes cats their individual specialisation profile (Aksnes et al. The aim of our study transcends the one of analysing how Norwegian research is represented in Scopus and Green extract bean coffee of Science.

It is a test of what the two products look like in the perspective of properly organized research evaluation. This may be exemplified through the large differences that exist in how well Scopus and Green extract bean coffee of Science cover the publication output of individual institutions (Figure 5). Research evaluation of institutions based on publication data from Scopus and Web of Science only will therefore rest on foundations lacking adequate justification.

This study based on a whole country shows that there are minor differences between the coverages of the scientific literature in Scopus melatonin the Web of Science Core Collection.

The patterns of coverage are very similar with only partial representation of some fields of research. Both databases have the same problems in terms of coverage of the social sciences and humanities literature and with coverage of non-English languages. Special efforts would be required to increase the coverage of the databases and reduce their bias towards particular fields and publication types. Figure 1Coverage of 2015 and 2016 publications, total all fields and publication types, Scopus and Web of Science.

Figure 2Coverage of 2015 and 2016 publications by domain, total all publication types, Scopus and Web of Science. Figure 3aCoverage of 2015 and 2016 publications by publication types, Scopus and Web of Science, number of publications.

Figure 3bCoverage of 2015 and 2016 publications by publication types, Scopus and Web of Science, proportions. Figure 4Coverage of 2015 and 2016 publications by publication language and domain, Scopus green extract bean coffee Web of Science. Figure 5Coverage of 2015 and 2016 publications for selected institutions, Scopus and Web of Science.

Comparing unique title coverage of Web of Science and Scopus in Earth and atmospheric sciences. Investigacion Bibliotecologica24521327Search in Google ScholarSivertsen, G. Bibliometric research evaluations, Web of Science and the Social Sciences and Humanities: a problematic relationship.

Bibliometrie - Green extract bean coffee und Forschung, band 2. Bibliometrie - Praxis und Forschungband 2Search in Google ScholarHow has Covid-19 Affected Published Academic Research. A Content Analysis of Journal Articles Mentioning the VirusA Topic Detection Method Based on Word-attention NetworksDoes Success Breed Success. A Study on the Correlation between Impact Factor and Quantity in Chinese Academic JournalsThe Scientometric Measurement of Interdisciplinarity and Diversity in the Research Portfolios of Chinese Green extract bean coffee A Construct Indicating Research Excellence to Measure University Research PerformanceNew Indicators of the Technological Impact of Scientific ProductionRecommended articles from Trend MDPlan your remote conference with Sciendo Find out moreSciendo is a De Gruyter companyNewsEnglishEnglishGermanLoginAboutPublish with usSubjectsMusicPharmacyGeneral InterestLinguistics and SemioticsMaterials SciencesArtsIndustrial ChemistryMedicineMathematicsGeosciencesLawTheology and ReligionClassical and Ancient Near Eastern StudiesComputer SciencesCultural StudiesHistoryLiterary StudiesArchitecture and DesignChemistryPhilosophySocial SciencesSports and RecreationLibrary and Information Science, Book StudiesLife SciencesJewish StudiesEngineeringPhysicsBusiness and EconomicsLoginEnEnDeMusicPharmacyGeneral InterestLinguistics and SemioticsMaterials SciencesArtsIndustrial ChemistryMedicineMathematicsGeosciencesLawTheology and ReligionClassical and Ancient Near Eastern StudiesComputer SciencesCultural StudiesHistoryLiterary StudiesArchitecture and DesignChemistryPhilosophySocial SciencesSports and RecreationLibrary and Information Science, Book StudiesLife SciencesJewish StudiesEngineeringPhysicsBusiness and EconomicsVolume 4 (2019): Issue 1 (February 2019) Journal Details FormatJournal First Published30 Mar 2017 Publication timeframe4 times per year LanguagesEnglish Open AccessA Criteria-based Assessment of the Coverage of Scopus and Web of ScienceDag W.

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