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VOSviewer is a free and popular tool intended for constructing and visualising bibliometric networks. Its implementation and development are overseen by Nees Jan van Eck and Ludo Waltman from the CWTS institute of Leiden University. The tool allows users to construct the networks between journals, researchers and individual terms, for example. These networks can be based on factors such as citations, co-citations, co-occurrence or co-authorship. Even though the tool is specifically intended for visualising bibliometric networks, the tool can also be used for creating and visualising any type of networks.

The tool has often been used for studies or reviews that have aimed to study different collaboration or keyword networks through publications. In libraries, this tool has also been used to support collection work by showing what publications the researchers of an organisation have used as sources in their publications.

VOSviewer allows users to demonstrate networks by using the data of several sources. Publication sets retrieved from the Web of Science, Scopus, Dimensions, Lens or PubMed databases can be used as source of the publication data. Data can also be imported by using reference management software (EndNote and RefWorks). Additionally, the tool allows users to download data through several APIs (Crossref, OpenAlex and EuropePMC).

VOSviewer can be downloaded through its website. VOSviewer Online can also be used through the pages, allowing use of the service via the browser without the need to download it.


Kuva esittää VOSviewer-työkalulla tuotettua termikarttaa, jossa näkyy julkaisudatassa esiintyviä termejä ja niiden muodostamaa verkosto. Kuvassa on nähtävillä myös työkalun tarjoamia mahdollisuuksia muokata näkymää erilaisilla rajauksilla.

Figure 1. An example of a term map created with VOSviewer. © CWTS, https://www.vosviewer.com/features/screenshots, 11 April 2022.

Sources

CWTS (no date) VOSviewer. Available: https://www.vosviewer.com/ [Accessed 1.4.2022]

van Eck, N.J. and Waltman, L. (2022) VOSviewer manual. Manual for VOSviewer version 1.6.18. Available: https://www.vosviewer.com/documentation/Manual_VOSviewer_1.6.18.pdf [Accessed 1.4.2022]

McAllister, J.T., Lennertz, L. and Atencio Mojica, Z. (2021) Mapping A Discipline: A Guide to Using VOSviewer for Bibliometric and Visual Analysis. Science & Technology Libraries, 41(3), pp. 319-348. Available: https://doi.org/10.1080/0194262X.2021.1991547

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