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65th Helmholtz Open Science Online Seminar

Open research information for responsible research assessment


Date & Time

  • Friday, October 21, 2022 from 11:00 am to 12:00 pm (CEST)


  • The event was conducted virtually via Zoom.




The 65th Helmholtz Open Science Online Seminar took place on Friday, October 212022 from 11:00 am to 12:00 pm (CEST).

Our speaker Ludo Waltman explained why openness of research information is a crucial prerequisite for more responsible approaches to research assessment. He discussed various initiatives promoting openness of research information, both in the Netherlands and globally, with a special focus on the metadata of scientific publications. He also discussed how organizations can support these initiatives and participate in them.

Ludo Waltmann's presentation was followed by a question and discussion slot.

The 60-minute event was held in English via the video conferencing tool Zoom. Ludo Waltmann's presentation was recorded.

Our Speaker

Prof. Dr Ludo Waltman is professor of Quantitative Science Studies and deputy director at the Centre for Science and Technology Studies (CWTS) at Leiden University. He is also associate director of the Research on Research Institute.

His work focuses on developing new infrastructures, algorithms, and tools to support research assessment, science policy, and scholarly communication. Together with his colleague Nees Jan van Eck, Ludo has developed the well-known VOSviewer software tool for bibliometric visualization. Ludo is coordinator of the CWTS Leiden Ranking, a bibliometric ranking of major universities worldwide. He also coordinates the Initiative for Open Abstracts (I4OA). In addition, Ludo serves as Editor-in-Chief of the journal Quantitative Science Studies.



Waltman, L. (2022): Open research information for responsible research assessment. - Talk presented at the 65. Helmholtz Open Science online seminar (Online 2022)
Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5013370

Licenced under a CC BY 4.0 International licence


Licenced under a CC BY 4.0 International licence. Also available via https://doi.org/10.5446/59552.

Thank you for your participation!


Antonia C. Schrader

Open Science Officer | Currently on parental leave