Evidence
CWTS provides bibliometric data and analyses based on its citation index system. Our tailor-made study design makes it possible to analyse at the level of a discipline, research field or organisational unit. We offer a broad range of analytical dimensions because we have a plethora of (interconnected) data sources in our citation index system.
CWTS Integrated Database System
The core of this system comprises four major bibliographic databases: OpenAlex, Web of Science Core Collection, Dimensions and Scopus. By sophisticated data integration efforts, we have massively expanded our database system with the following databases: PATSTAT (patents), Unpaywall (open access), Crossref (publications), Crossref Event Data (altmetrics), DataCite (data sets), ORCID (researchers), ROR (organizations), Altmetric (altmetrics), PubMed (biomedical publications), Mendeley (readership) and Overton (policy documents, guidelines). We leverage on this rich combination of data sources to deliver high-quality analytics and provide more valuable insights for research evaluation and research management purposes.
State-of-the-art bibliometric performance- and benchmark analysis
CWTS serves its clients with bibliometric data and quantitative analyses of research performance. The performance can be analysed along a vast range of analytical dimensions because we work with all major scientific databases. We assess, for example, the following dimensions: publication output, citation impact, collaboration, open access publishing, gender, workforce composition, societal impact and multidisciplinarity. Moreover, we can provide an international comparative perspective in which several institutes or countries can be included.
CWTS has provided a comprehensive bibliometric performance analysis to the University of Helsinki and its Faculties. Please see the full report here.
CWTS analyzed how research conducted at the Dutch University Medical Centres contributes to new scientific insights and a healthier and more prosperous society. Please see the full report here.
Leiden Ranking
The CWTS Leiden Ranking is a highly valued source of bibliometric indicators. The ranking offers important insights into the scientific performance of over 1400 universities worldwide. The performance is presented along four analytical dimensions: scientific impact, collaboration, open access and gender. All data and indicators used reflect the state of the art in bibliometrics.
Select your preferred indicators, generate results, and explore the performance of universities on the Leiden Ranking website.
Journal profiles
Journal profiles provide bibliometric information and journal indicators on scientific journals. They furnish our clients with excellent insight into a journal’s positioning and standing within the scientific world. This enables our clients to assess which journals align with their mission. Our indicators go far beyond the regular journal impact factor by taking field-specific citation characteristics into account.
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