Nees Jan van Eck

Sharing the load: Building a collective to support open research information online Can we share resources and burdens to make available key open research information resources in actionable and connectable form in the cloud? Through sharing processes and systems, is it possible, ove...

Today we launch ORION: a coordinated initiative to make open research information more inclusive, accessible and democratic. Our experience with GoogleBigQuery support collaborative and community solutions for ORI infrastructures, increasing sustainability & resilience.
doi.org/10.54900/2pn...

Sharing the load: Building a collective to support open research information online Can we share resources and burdens to make available key open research information resources in actionable and connectable form in the cloud? Through sharing processes and systems, is it possible, ove...

Today we're starting ORION, an effort to coordinate making #openresearchinformation resources available, with an initial focus on Google BigQuery. We are keen to coordinate with all who are interested in supporting a community effort towards availability and reusability!
doi.org/10.54900/2pn...

1.9 million author entries. 2.1 million affiliation entries. 1.75 million matched to ROR IDs.
That's what our fine-tuned open-weight model extracted from 430,000 arXiv preprints. Join us on 21 Jan to discuss the results.
📅 Register: datacite.zoom.us/meeting/regi...

The CWTS Leiden Ranking 2025 - More open, more inclusive, more informative The release of the CWTS Leiden Ranking 2025 marks a next step toward more open and more inclusive research analytics for universities. This post highlights the most significant developments.

📊 Today, the CWTS Leiden Ranking 2025 has been released. The new Open Edition marks a next step towards more open and more inclusive research analytics for universities. Our new blog post highlights the most significant developments.

👇 Read it now on Leiden Madtrics

📊 The CWTS Leiden Ranking 2025 is online! 🎉 This time, we have released not one, but two editions: the Traditional Edition and the Open Edition. www.leidenranking.com

Crossref as a source of open bibliographic metadata for preprints Crossref is a crucial source of open bibliographic metadata for articles published in scientific journals. Importantly, however, Crossref can also serve as a source of bibliographic metadata for prepr...

There is considerable discussion about the (lack of) openness of metadata of journal articles, but how do preprint servers perform in terms of openly available metadata?

@neesjanvaneck.bsky.social and I report our findings in a new @leidenmadtrics.bsky.social blog post doi.org/10.59350/te7....

Crossref as a source of open bibliographic metadata for preprints Crossref is a crucial source of open bibliographic metadata for articles published in scientific journals. Importantly, however, Crossref can also serve as a source of bibliographic metadata for prepr...

@crossref.bsky.social is a crucial source of open bibliographic metadata for articles published in scientific journals, but how complete is its metadata on preprints?

In our latest blog post, @neesjanvaneck.bsky.social and @ludowaltman.bsky.social investigate

👇 Read it now on Leiden Madtrics

What if the metadata curation work institutions already do could benefit the broader research ecosystem? Join us at the COMET community meeting on 30 October to explore leveraging curation from CRIS Systems

🗓️ Register at: datacite.zoom.us/meeting/regi...

Welcome! You are invited to join a meeting: End-of-Project Community Assessment: Match Preprints to Published Journal Articles . After registering, you will receive a confirmation email about joining ... Thank you for contributing your time to help shape COMET's future direction and strengthen our collective approach to metadata enrichment. To allow time for meaningful feedback from all participants...

Can you help assess how our project advances the COMET model?

We've connected arXiv preprints to published articles with 95%+ precision. Join our community evaluation of this demonstration project.
🗓️ 3 October - Community Project Assessment
Register: datacite.zoom.us/meeting/regi...

New on the blog, Organizer @neesjanvaneck.bsky.social Nees Jan van Eck from @cwts.nl explains why CWTS is passionate about enriching #metadata and participating in COMET. A must-read!

👉 www.cometadata.org/blog/cwts

If you missed COMET's Community Meeting, you can watch the recording on Zenodo: zenodo.org/records/1592...

Organizers Nees Jan van Eck @neesjanvaneck.bsky.social, Adam Buttrick, and Dione Mentis give an update on our progress, introduce the COMET Model, and demonstrate pilot projects.

Scientometrics Using Open Data Open data sources such as Crossref, DataCite, ORCID, OpenAlex, OpenCitations, and many others offer important opportunities to perform scientometric analyses in more transparent, inclusive, and reprod...

🔍 Registration is now 𝗢𝗣𝗘𝗡 for the 4th edition of the Scientometrics Using Open Data (𝗼𝗻𝗹𝗶𝗻𝗲) course!
Co-hosted by @cwts.nl & Curtin Open Knowledge Initiative (COKI)

📅 4 Nov – 7 Nov 2025
🕑 14.00 to 18.00 CET

🔗 Learn more and sign up now:
👉🏼 www.universiteitleiden.nl/en/courses/s...

New update of statistics on availability of open publication metadata in Crossref. Openness of publication metadata keeps increasing, but there have been no major changes compared to last year.

Paper: doi.org/10.31222/osf...

Data: doi.org/10.5281/zeno...

Figures: tinyurl.com/3zk5nvvf

@cwts.nl

You can use the 'Overlay colors...' button to change the colors. See the screenshot.

Visualizations based on noun phrases from titles/abstracts are available for OpenAlex data! Just choose "Create a map based on text data" in the first step of the Create Map wizard. CWTS topics are planned for a future VOSviewer update.