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Nicolas Alarcon

@nalarcon

Bibliométrie et science ouverte. Pounding the rock.

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15.10.2023
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Latest posts by Nicolas Alarcon @nalarcon

Graphic announcing that Couperin has joined the Barcelona Declaration on Open Research Information as a signatory. The image features the text “Bonjour Couperin” and “Couperin is a signatory of the Barcelona Declaration on Open Research Information,” with an illustration of a handshake and the logos of the Barcelona Declaration and Couperin.

Graphic announcing that Couperin has joined the Barcelona Declaration on Open Research Information as a signatory. The image features the text “Bonjour Couperin” and “Couperin is a signatory of the Barcelona Declaration on Open Research Information,” with an illustration of a handshake and the logos of the Barcelona Declaration and Couperin.

Bonjour Couperin 🇫🇷

We’re delighted to welcome Couperin as a new signatory of the Barcelona Declaration.

Couperin brings together 250+ research and higher education institutions in France, promoting access to scientific information.

📰 Read the news:
barcelona-declaration.org/news/2026030...

09.03.2026 10:41 👍 3 🔁 2 💬 0 📌 0

Merci pour la réponse !

05.03.2026 16:15 👍 0 🔁 0 💬 0 📌 0

ISSN Portal portal.issn.org est inaccessible depuis plusieurs jours après une maintenance en février. Quelqu'un·e aurait des infos ?

05.03.2026 09:17 👍 1 🔁 2 💬 2 📌 0
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J'ai commencé un petit guide que j'aimerais publier prochainement. Si ça intéresse des gens de parcourir cette version alpha et me faire des retours, je peux vous envoyer le lien 😉

04.03.2026 18:06 👍 9 🔁 4 💬 1 📌 0
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04.03.2026 06:52 👍 8787 🔁 3282 💬 30 📌 47
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Le Japon adopte le modèle français du Baromètre de la #scienceouverte. Cette initiative confirme la position de leader de la France dans ce domaine.
www.ouvrirlascience.fr/le-japon-ado...

#monitoring #collaborationscientifique #FranceJapon

03.03.2026 15:25 👍 8 🔁 6 💬 0 📌 0

Nexus, l'outil IA de Clarivate, qui pourrait renforcer sa position de gatekeeper de la recherche documentaire académique en validant/proposant des sources uniquement à partir de sa propre base

01.03.2026 08:05 👍 0 🔁 0 💬 0 📌 0
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So when do authors preprint? Many do long before they submit to a journal (to get feedback to improve the work?); many submit around the same time (just want the work out?). Only a minority are submitting once the paper is under review [evidence against claims by some detractors]. 3/n

26.02.2026 16:08 👍 27 🔁 15 💬 3 📌 2
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Baromètre de la science ouverte 2025 : des avancées importantes dans le partage des résultats d’essais cliniques Ouvrir la Science

Baromètre de la #ScienceOuverte 2025
- Progression du partage des résultats d'essais cliniques (+ 9 pts pour les promoteurs academiques)
- Amélioration du partage des données et des logiciels
- Stabilisation du taux d'accès ouvert des publications et thèses

www.ouvrirlascience.fr/barometre-de...

26.02.2026 09:05 👍 7 🔁 7 💬 0 📌 2
Collection of books seen from above

Collection of books seen from above

Matilda has reached 160M deduplicated publications, among which 33M are full-text searchable. Everything is free, sharable and reusable and will remain as such under our #POSI commitments and following our mission matilda.science/mission?l=en

26.02.2026 13:14 👍 3 🔁 4 💬 0 📌 0
affiche de l'événement

affiche de l'événement

Semaine de la Francophonie : #WikimédiaFrance et la direction des Archives, Bibliothèques et Collections muséales de #SorbonneUniversité organisent le 21 mars une journée d’action et de réflexion. www.wikimedia.fr/evenement-de...

#Wikipedia #IA #Francophonie

25.02.2026 16:33 👍 3 🔁 4 💬 0 📌 0
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Gender Balance Assessment Tool (GBAT) Gender Balance Assessment Tool (GBAT)

Vos bibliographies sont-elles équilibrées ? Passez-les au Gender balance assessment tool : jlsumner.shinyapps.io/syllabustool/

24.02.2026 10:01 👍 3 🔁 2 💬 0 📌 0
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Small publishers face threat from scale, not open access - Research Information Report finds structural inequities, rather than open access, itself challenge small European academic publishers

Les petits éditeurs sont moins menacés par l #openaccess que par la concentration oligopolistique
du marché de l'édition scientifique
Ils manquent de moyens pour affronter l'évolution technologique et les rounds de négociation tarifaire
www.researchinformation.info/news/small-p...

24.02.2026 06:08 👍 1 🔁 4 💬 1 📌 0
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L'Insee enfonce-t-il des portes ouvertes ? Quand l’Insee publie une étude sur un phénomène perçu comme une évidence, les réactions fusent : à quoi bon mobiliser les moyens de la stat...

« Pas besoin d’une étude de l’Insee pour le savoir ! » ; « Merci pour l’info, on n’aurait jamais deviné… ». Ces commentaires reviennent régulièrement lorsque l’Insee publie une étude sur un phénomène qui semble évident. Évident, vraiment ? Réponse dans ce billet de blog
blog.insee.fr/l-insee-enfo...

23.02.2026 11:25 👍 236 🔁 74 💬 4 📌 6
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Citation cartels use fake author names to target chemistry journals Dubious entities masquerade as researchers in war zones or low-income countries to obtain journal fee waivers

Citation cartels are now using journal waivers and fake author names to target reputed chemistry journals — my latest for @cenmag.bsky.social:

cen.acs.org/research-int...

@abalkina.bsky.social, @smutclyde.bsky.social, @mumumouse2.bsky.social

05.02.2026 14:13 👍 8 🔁 3 💬 1 📌 2
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The Transformative Agreement paradox: A game theory analysis of large scholarly publishers and library negotiation strategies - Scientometrics The academic publishing market is evolving from a model driven by “Big Deals” to a more complex negotiation era centered on “Transformative Agreements” (TAs). Occurring within an oligopolistic market ...

si quelqu'un·e a accès à l'article "The Transformative Agreement paradox: A game theory analysis of large scholarly publishers and library negotiation strategies", ça m'intéresse doi.org/10.1007/s111...

16.02.2026 12:48 👍 4 🔁 0 💬 1 📌 0
Looking ahead to 2026: key priorities of the Netherlands Barcelona Declaration Network In late 2025, the Netherlands Barcelona Declaration Network met in Leiden to reflect and set priorities for 2026. This blog outlines those priorities and highlights how the growing network of universi...

𝐅𝐫𝐨𝐦 𝐜𝐨𝐦𝐦𝐢𝐭𝐦𝐞𝐧𝐭 𝐭𝐨 𝐜𝐨𝐨𝐫𝐝𝐢𝐧𝐚𝐭𝐞𝐝 𝐚𝐜𝐭𝐢𝐨𝐧

The Netherlands Barcelona Declaration Network shows how shared principles are becoming concrete priorities for 2026 across assessment, CRIS, responsible AI, and open research information.

Read more: barcelona-declaration.org/news/2026021...

13.02.2026 12:15 👍 1 🔁 3 💬 0 📌 1
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Where's the Data? Who is affiliated with which organization?

141M organization assertions in Crossref. 95M now have ROR IDs thanks to matching––1M were deposited by members.

🔗 Dataset: doi.org/10.13003/ich...
🔗 Blog: doi.org/10.64000/sy4...

#LoveData26 #WheresTheData

12.02.2026 15:26 👍 6 🔁 2 💬 1 📌 0
MetaROR’s approach to Crossref DOI registration

MetaROR’s approach to Crossref DOI registration

Innovation in scientific publishing and its implications for Crossref DOI registration practices - MetaROR’s approach

doi.org/10.64000/vfe...

Together with @andre-brasil.bsky.social I just published this blog post about @crossref.bsky.social DOI registration practices for @metaror.bsky.social.

05.02.2026 07:15 👍 16 🔁 13 💬 1 📌 1

La maison-mère d'Elsevier, qui mise beaucoup sur l'IA elle-même, perd 6 milliards en valorisation boursière parce qu'Anthropic déboule sur leurs plates bandes

04.02.2026 14:41 👍 0 🔁 1 💬 0 📌 0

Que pensent les chercheurs des annulations de Big Deals ? arxiv.org/pdf/2601.17033 : OK avec la critique du modèle éditorial ("absurde", "parasitaire") mais risque de pénaliser les petites disciplines, les jeunes chercheurs, les étudiants.

03.02.2026 08:09 👍 1 🔁 1 💬 0 📌 0

Le processus est engagé à compter de… Maintenant.
Il faut donc trouver un nouveau job, en activant les procédures internes de nos institutions respectives.
Si par ailleurs vous avez des pistes, nous sommes preneurs - mon CV est ici www.face-ecran.fr/sites/defaul...
Mes MP sont ouverts.

02.02.2026 15:32 👍 1 🔁 6 💬 0 📌 0
Capture d'écran de Numerama  : " On a testé Cairn : l'expérience de survie la plus stressante de l'année ?"

Capture d'écran de Numerama : " On a testé Cairn : l'expérience de survie la plus stressante de l'année ?"

Ah oui, la recherche avancée via un reverse proxy, je connais

29.01.2026 14:31 👍 3 🔁 1 💬 0 📌 0
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Presenting a classifier to improve the identification of research journal publications in OpenAlex - Scientometrics This paper introduces a document type classifier with the purpose to optimise the distinction between research and non-research journal publications in OpenAlex. Based on open metadata, the classifier...

Improving the #OpenAlex document type classification is needed. Meeting abstracts and book reviews are very often grouped under "article", skewing the counts. This new classifier from Nick Haupka is a good contribution toward fixing that problem.

23.01.2026 17:25 👍 4 🔁 2 💬 1 📌 0
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Three major research universities opt out of new Elsevier deal Complaints over ‘price increases’ and open access models spur UK institutions to walk away from offer from publishing giant, despite nationally negotiated agreement

And so it begins... 3 UK universities (Essex, Sussex & Kent) have just gone public about walking away from their Elsevier Read & Publish deals, despite Jisc's recently announced agreement. Expect to see more of these over the coming months. www.timeshighereducation.com/news/three-m... #OpenAccess

22.01.2026 18:12 👍 106 🔁 62 💬 5 📌 3

@cometadata.bsky.social has been demonstrating it's possible to do big things! Matched over ~400K preprints 1/ ~2 MILLION authors to RORs—now in an openly available dataset. Come learn what we've been up to, what's next, and how to get involved. Next community call next week. Details below.

16.01.2026 17:21 👍 8 🔁 5 💬 0 📌 0
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About The Research Organization Registry (ROR) is a global, community-led registry of open persistent identifiers for research and funding organizations.

ROR is completely and perpetually free -- as in, it costs you nothing to use. Read more about ROR's "business" model to learn how this is made possible by @crossref.bsky.social, @datacite.org, and @caldiglib.bsky.social. ror.org/about/#busin...

12.01.2026 18:20 👍 3 🔁 6 💬 0 📌 0
Graphic with a purple and cream geometric background titled “Open Infrastructures,” referencing OpenAlex, OpenAIRE, and OpenCitations. A highlighted label reads “Working Group 5 – Sustaining infrastructures,” alongside the Barcelona Declaration on Open Research Information branding.

Graphic with a purple and cream geometric background titled “Open Infrastructures,” referencing OpenAlex, OpenAIRE, and OpenCitations. A highlighted label reads “Working Group 5 – Sustaining infrastructures,” alongside the Barcelona Declaration on Open Research Information branding.

Graphic with a purple and cream geometric background titled “Related Initiatives,” referencing IOI, SCOSS, and TSOSI. A highlighted label reads “Working Group 5 – Sustaining infrastructures,” alongside the Barcelona Declaration on Open Research Information branding

Graphic with a purple and cream geometric background titled “Related Initiatives,” referencing IOI, SCOSS, and TSOSI. A highlighted label reads “Working Group 5 – Sustaining infrastructures,” alongside the Barcelona Declaration on Open Research Information branding

🧩 𝐓𝐰𝐨 𝐖𝐨𝐫𝐤𝐢𝐧𝐠 𝐆𝐫𝐨𝐮𝐩 𝟓 𝐬𝐞𝐬𝐬𝐢𝐨𝐧𝐬 𝐚𝐫𝐞 𝐧𝐨𝐰 𝐥𝐢𝐯𝐞 𝐨𝐧 𝐭𝐡𝐞 𝐁𝐚𝐫𝐜𝐞𝐥𝐨𝐧𝐚 𝐃𝐞𝐜𝐥𝐚𝐫𝐚𝐭𝐢𝐨𝐧 𝐘𝐨𝐮𝐓𝐮𝐛𝐞 𝐜𝐡𝐚𝐧𝐧𝐞𝐥

They explore a shared question:
How can governance, community, and institutional support work together to sustain open research infrastructures?
⬇️

14.01.2026 11:42 👍 1 🔁 3 💬 1 📌 0
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We've got ISSUES. Literally.

We scraped >100k special issues & over 1 million articles to bring you a PISS-poor paper. We quantify just how many excess papers are published by guest editors abusing special issues to boost their CVs. How bad is it & what can we do?

arxiv.org/abs/2601.07563

A 🧵 1/n

13.01.2026 08:24 👍 505 🔁 314 💬 17 📌 49
Illustration titled “2025 in review Building Open Research Information Together” for the Barcelona Declaration on Open Research Information. Three people sit around a table in conversation, using laptops and a notebook, with speech bubbles above them to represent collaboration. Calendar pages labeled with different months of 2025 appear in the background, suggesting activity throughout the year. At the bottom, a banner reads: “As we begin 2026, we look forward to continuing this work together

Illustration titled “2025 in review Building Open Research Information Together” for the Barcelona Declaration on Open Research Information. Three people sit around a table in conversation, using laptops and a notebook, with speech bubbles above them to represent collaboration. Calendar pages labeled with different months of 2025 appear in the background, suggesting activity throughout the year. At the bottom, a banner reads: “As we begin 2026, we look forward to continuing this work together

Illustration titled “2025 in review How Our Community Grew” for the Barcelona Declaration on Open Research Information. Horizontal bar graph showing growth in the number of Barcelona Declaration signatories in different world regions in 2025. A world map appears in the background. At the bottom, a banner reads: “With 30 new signatories and 7 new supporters from 17 countries worldwide”

Illustration titled “2025 in review How Our Community Grew” for the Barcelona Declaration on Open Research Information. Horizontal bar graph showing growth in the number of Barcelona Declaration signatories in different world regions in 2025. A world map appears in the background. At the bottom, a banner reads: “With 30 new signatories and 7 new supporters from 17 countries worldwide”

✨ 2025 in Review: Advancing Open Research Information as a Community

In 2025, the Declaration continued to grow as a community-driven initiative, advancing concrete work to improve the openness, transparency, and community governance of research information; with more to come in 2026 🔽

09.01.2026 10:15 👍 5 🔁 5 💬 1 📌 2