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Gjalt-Jorn Peters

@matherion.mastodon.nl.ap.brid.gy
13 followers 4 following 50 posts

Striving for validity, not validation 📏🧠 Associate professor of Theory, Methods & Statistics, Psychology, Open University of the Netherlands. Started out in […] 🌉 bridged from ⁂ mastodon.nl/@matherion, follow @ap.brid.gy to interact

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Bert Hubert NL 🇺🇦🇪🇺🇺🇦 @bert-hubert.mastodon.nl.ap.brid.gy · 25/09/2026
Ik sprak een tech journalist over nostalgie nav de herlancering van de naam Hyves. En ik vertelde dat mensen ook enorm enthousiast zijn over retro Commodore 64's enzo. En toen vroeg 'ie wat een Commodore 64 was. Ik had helaas geen tijd voor een stevige boswandeling.
1982 Gaming, 2077 Power, met een plaatje van de oude commodore 64 computer
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Reposted by Gjalt-Jorn Peters
Henrik Schönemann @lavaeolus.fedihum.org.ap.brid.gy · 21/09/2026
I feel very conflicted about seeing (genuinely) cool projects that have been either completely or majority vibe-coded... Those are projects I would have shared without a second thought, but the vibe-coded aspect makes me hesitant. For a couple of reasons: - maintainability in the mid to long […]
fedihum.org
Original post on fedihum.org
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Reposted by Gjalt-Jorn Peters
Sue Smith @sue.glasgow.social.ap.brid.gy · 05/09/2026
Blogged a bit about what I've been learning about models and harnesses www.sue.codes/blog/harnessissoftware
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Jared White (ResistanceNet ✊) @jaredwhite.indieweb.social.ap.brid.gy · 06/09/2026
Hello fedi dev friends with resumes. I'm trying to revamp my resume to get a lot more specific about the exact role I want (Senior Frontend Engineer). Seems silly to me, but since I got virtually nowhere in past efforts reaching anyone even for an initial interview, I'm thinking I was painting […]
indieweb.social
Original post on indieweb.social
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Ionica Smeets @ionica.mathstodon.xyz.ap.brid.gy · 26/08/2026
The A.I. trolley problem
A cartoon of a trolley in front of a switch that goes either to 1 or 5 people tied on the tracks and two people looking at it and saying: “Luckily, the A.I. trolley will decide who to kill all on its own” - made by Paul North for The New Yorker
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AFA Nederland @afa.todon.nl.ap.brid.gy · 20/08/2026
(from Hardcore Against Fascism) HOW TO SPOT FASCISM IN HARDCORE Before it takes over your scene. 5 things every hardcore kid should know. 💾 Save this. 📩 Send it to someone who needs it. ↓ 01 ‒ IT DOESN'T ALWAYS LOOK LIKE A NAZI Fascism rarely walks through […] [Original post on todon.nl]
HOW TO SPOT FASCISM IN HARDCORE

Before it takes over your scene.

5 things every hardcore kid should know.

Save this. Send it to someone who needs it.
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Reposted by Gjalt-Jorn Peters
Marloes de Koning :check: @marloesdekoning.nrc.social.ap.brid.gy · 07/08/2026
Intussen waren @Dirma en ik op werkbezoek geweest in de tv-toren in IJsselstijn. Dat is tegenwoordig een #datacentrum waar onder meer het bedrijf @ProcoliX zit. Directeur @koen leidde me er rond. ProcoliX heeft veel ervaring met het hosten van #Mastodon servers […] [Original post on mastodon.nl]
Dirma bekijkt een rek vol servers van ProcoliX van dichtbij
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Gjalt-Jorn Peters @matherion.mastodon.nl.ap.brid.gy · 31/07/2026
@vees Oh. Well. That's a bummer 🙂 Thanks for the heads up!!! 🙏
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Gjalt-Jorn Peters @matherion.mastodon.nl.ap.brid.gy · 31/07/2026
@vees Ah, that clarifies it. Do you think it's a bot?
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Gjalt-Jorn Peters @matherion.mastodon.nl.ap.brid.gy · 31/07/2026
@vees Is this a general remark on your personality, or was it meant as a response to my other post about the elusive cookies, mastodon.nl/@matherion/117015311360…
mastodon.nl
Gjalt-Jorn Peters (@matherion@mastodon.nl)
@Allisonhorst39@mastodon.social Thanks for the coming here 🙂 We have cookies!* * purportedly. I haven't actually *seen* any yet 😒
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Gjalt-Jorn Peters @matherion.mastodon.nl.ap.brid.gy · 31/07/2026
This is superuseful if you're familiarizing colleagues (neighbours? family members?) with git: allisonhorst.com/git-github (small caveat: ideally of course you'd do that with an open, community-owned git forge such as @Codeberg instead of with GitHub, which is proprietary and […]
mastodon.nl
Original post on mastodon.nl
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Gjalt-Jorn Peters @matherion.mastodon.nl.ap.brid.gy · 31/07/2026
Hey #rstats community, welcome @Allisonhorst39 to the fediverse! 🤩 Yes, *the* Alison Horst 🤩 The one who put "viz" into "dataviz" 😬 allisonhorst.com
allisonhorst.com
Allison Horst
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Gjalt-Jorn Peters @matherion.mastodon.nl.ap.brid.gy · 24/07/2026
RE: infosec.exchange/@tomgag/1169738454… Very good points, as well as an alternative solution to the same problems, regarding @Codeberg's recent changes to the Terms of Service to try and minimize the damage done to the FLOSS landscap by LLMs / vibe coding. I guess this proposal […]
mastodon.nl
Original post on mastodon.nl
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Silver Spook Games @silverspookgames.mastodon.social.ap.brid.gy · 22/07/2026
Helping androids get housing justice against trillionaire landlords is tough - in Neofeud 2, my #cyberpunk adventure! store.steampowered.com/app/4611140/… Itch: silverspook.itch.io/neofeud #indie #gamedev #indiedev #scifi #visualnovel […] [Original post on mastodon.social]
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Tatjana Scheffler @tschfflr.fediscience.org.ap.brid.gy · 17/07/2026
As this thread is slowing down (but feel free to keep the questions coming), this is also a great time to plug the public "Linguistics of Emojis" Zotero library, which we maintain. Over 300 scientific works on the linguistics of emojis - check it out! 🤓 #emojis #linguistics #WorldEmojiDay […]
fediscience.org
Original post on fediscience.org
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Tatjana Scheffler @tschfflr.fediscience.org.ap.brid.gy · 17/07/2026
🧐 #AMA on #emojis for #WorldEmojiDay ❗ #linguistics
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Björn Brembs @brembs.mastodon.social.ap.brid.gy · 17/07/2026
"The study estimated that the cost of grant and fellowship application processes is 13% of the value of the grant and that 89% of those costs are borne by applicants. This would suggest that policies seeking to improve the efficiency of grant funding processes should consider the role of […]
mastodon.social
Original post on mastodon.social
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Silver Spook Games @silverspookgames.mastodon.social.ap.brid.gy · 16/07/2026
"A storyline worthy of a William Gibson novel... If you like story driven pnc adventures and cyberpunk, then you will like this game," --Neofeud reviewer on Steam Neofeud store.steampowered.com/app/4611140/… #indiegames #SteamDeck #noai […] [Original post on mastodon.social]
"A storyline worthy of a William Gibson novel... If you like story driven pnc adventures and cyberpunk, then you will like this game,"
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Gjalt-Jorn Peters @matherion.mastodon.nl.ap.brid.gy · 12/06/2026
A slide
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Gjalt-Jorn Peters @matherion.mastodon.nl.ap.brid.gy · 12/06/2026
Awesome opening keynote at Day 2 of the Open Science Festival Limburg #osflimburg
Opening slide
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Gjalt-Jorn Peters @matherion.mastodon.nl.ap.brid.gy · 12/06/2026
... And we're live! 🤩
A photo of the open science festival Limburg opening slide
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Egon Willigh☮gen 🟥 @egonw.mastodon.social.ap.brid.gy · 12/06/2026
@matherion and In arriving at SBE for Day 2 of the Open Science Festival Limburg! #osflimburg
Selfie of us two in front of the SBE entrance. In the background we also see the OSFLimburg banner.
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Gjalt-Jorn Peters @matherion.mastodon.nl.ap.brid.gy · 12/06/2026
Just arrived at day 2 of the #osflimburg! This will be so exciting!!! 🤩
The open science Limburg festival banner in front of the building
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Open Science Festival Limburg @osflimburg.social.edu.nl.ap.brid.gy · 04/06/2026
Final call for registration! www.openscience-maastricht.nl/event… Come curious, leave inspired. Share your experiences, achievements, and questions! Join our two days, 11 and 12 June, and our two locations: Heerlen and Maastricht. #openscience #osflimburg
Photo of the Open Universiteit building in Heerlen. We see a lot of mirroring glass of a one floor building, some trees in the background, and a person walking towards the entrance. Photo of the icon gate of the SBE faculty building, one of the first Maastricht University building, and one of the many former monestries. The photo shows part of the main building, and the stone gate.
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Laetitia Bracco @braccolaetitia.social.sciences.re.ap.brid.gy · 27/05/2026
📊 How do researchers actually use bibliographic databases today? The Bibliometrics Service of the Université de Lorraine has published the results of its 2026 survey on Web of Science usage, conducted across the university community. Based on 545 responses spanning a broad disciplinary […]
social.sciences.re
Original post on social.sciences.re
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Alberto Cottica @alberto-cottica.mastodon.green.ap.brid.gy · 24/05/2026
A large part of the economy deals in knowledge – and I’m not talking about education alone. Knowledge is a major ingredient, as well as a byproduct of, any credible attempt at societal change. A host of institutions – universities, governments, parliaments […] [Original post on mastodon.green]
A visualization of how the ecosystem of digital tools built by academics makes papers, but also non-academic reports, findable and reusable.
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solarbird @solarbird.solarbird.net.ap.brid.gy · 21/05/2026
## Let’s talk being able to talk when internet and cell phone service both go down This is something I’ve been thinking about a lot for the last year plus, and with the EFF coming out a number of days ago and strongly encouraging other people to think about it too, I thought it would be a good […]
solarbird.net
Original post on solarbird.net
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Gjalt-Jorn Peters @matherion.mastodon.nl.ap.brid.gy · 19/05/2026
@ossington
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Gjalt-Jorn Peters @matherion.mastodon.nl.ap.brid.gy · 19/05/2026
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Gjalt-Jorn Peters @matherion.mastodon.nl.ap.brid.gy · 19/05/2026
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Gjalt-Jorn Peters @matherion.mastodon.nl.ap.brid.gy · 19/05/2026
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Gjalt-Jorn Peters @matherion.mastodon.nl.ap.brid.gy · 19/05/2026
RE: social.edu.nl/@wlaatje/116600084987… And it's an awesome session! 🙏🤩
social.edu.nl
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Das @srdas.mastodon.online.ap.brid.gy · 28/09/2025
Reasonably sure Mastodon peeps like libraries and might like a peek at this wowzer I stepped into today. #DasCDMX
A look inside the Biblioteca Vasconcelos in Mexico City. There are columns of bookshelves seeming suspended at various levels from the ceiling with walkways connecting and that keep going into the far distance. Light from glass skylights many stories up and interior lighting are throughout. On the bottom floor, slightly lower than the camera vantage is the skeleton of a whale
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Olivia Guest · Ολίβια Γκεστ @olivia.scholar.social.ap.brid.gy · 09/05/2026
Preprinted! Been working on this for ~1 year w wonderful coauthors Nancy & Mark: > Understanding Artificial Neural Networks: Mysterianism about Known Mechanism is Mysticism doi.org/10.5281/zenodo.20071869 Have you noticed many experts say they don't […] [Original post on scholar.social]
Understanding Artificial Neural Networks: Mysterianism about Known Mechanism is Mysticism

Olivia Guest, Nancy Abigail Nufiez Hernandez, and Mark Blokpoel

Mysterianism is the idea that human cognition, mind, cannot be understood. Taking this concept and applying it to known mechanism — such that claims are made that we do not know how engineered systems, such as artificial neural networks (ANNs), work, or that they constitute black boxes that we can only open with difficulty — is inappropriate at best and malicious at worst. We do know the mechanistic structure of such models because we designed and built them. We also do know their functional role (what they are for) as well as the mathematical function they are asked to approximate (map inputs to target outputs). Because mysterianist beliefs about known systems, such as ANNs, are often expressed, scientists need to sit up and take notice. We provide an error theory as to what is going on to help unpick this metatheoretical blunder. Ultimately, the problem is that ‘understanding’ is not a technical term in these cases: the word is co-opted for a specific narrative to sell ‘artificial intelligence’ through mystification. All computational systems, from pendulums to databases, will behave in ways we cannot predict or control — this is not a unique property of ANNs — and experts do indeed grasp the computational properties of these systems nonetheless.Figure 1

Three co-occurring (latent) assertions in the context of con-
temporary reasoning on Al and cognition. While they may
appear to hang together in “reflective equilibrium” (Elgin 2017),
their metatheoretical examination brings their contradictions to
light. Starting from the top, and moving clockwise: a) represents
the typical assertion of so-called cognitive, neural, or otherwise
biological plausibility or inspiration presented for ANNs; B) is
the claim we tackle head on here — both in terms of analysing
the constituent terms and in how it relates to the other two
assumptions; and y) exemplifies a type of mysterianism, which
while not always explicitly expressed, plays a background role
and importantly comes into conflict with the other two claims
in important ways.
Figure 3

Not all systems, S; relate to their relevant data, D; and world
phenomena this way, but ANN models (as many inferential
statistical models) do when used without scientific understand-
ing of the data-generating process or without verbal or formal
theory to match (Guest and Martin 2025b, 2021, 2023). As we
move from left to right above, we move from full understanding
of engineered systems, S; to less or even possibly none of the
data, D; to the world which can be thought of as the set of
phenomena to be understood.
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Flux @umbreon.donphan.social.ap.brid.gy · 29/04/2026
Not gonna, I burst out laughing reading the last bit.
The environmental section of KDE's 30th anniversary page suggesting ideas to try improve the environment, or FOSS. With the final one being "Take 30 techbros to court so they stop building AI datacentres".
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Open Science Festival Limburg @osflimburg.social.edu.nl.ap.brid.gy · 29/04/2026
The #osflimburg workshop "Rethinking legal frameworks for open source" takes place on the Maastricht day, and is organized by Gabriele Cifrodelli, Assistant Professor of Intellectual Property Law www.openscience-maastricht.nl/12-ju… "This roundtable explores the relationship […]
social.edu.nl
Original post on social.edu.nl
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Open Science Festival Limburg @osflimburg.social.edu.nl.ap.brid.gy · 24/04/2026
you can now follow updates from the Open Science Festival Limburg on Bluesky too: @osflimburg.social.edu.nl.ap.brid.gy #osflimburg #openscience Registration for our June 11/12 Heerlen/Maastricht festival is open and details can be found at […]
social.edu.nl
Original post on social.edu.nl
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Silver Spook Games @silverspookgames.mastodon.social.ap.brid.gy · 26/04/2026
Overclocking your cyberarm can be rough in Neofeud 2! My #cyberpunk adventure, coming soon! Neofeud 1: store.steampowered.com/app/673850/N… silverspook.itch.io/neofeud #indie #gamedev #indiedev #scifi #visualnovel #SteamDeck #Steam #indiegame #noAI #art #scifiart
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petersuber @petersuber.fediscience.org.ap.brid.gy · 25/04/2026
"A Swedish Library Forgot to Close Its Doors and Something Beautiful Happened." www.zmescience.com/science/news-sci… I love this story -- about libraries and the people who use libraries. #Libraries
zmescience.com
A Swedish Library Forgot to Close Its Doors and Something Beautiful Happened
They say a reader does not steal and a thief does not read. In the city of Gothenburg, Sweden, that's definitely true.
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Egon Willighagen @egonw.social.edu.nl.ap.brid.gy · 24/04/2026
RE: fosstodon.org/@Gina/116460473485152… really cool! with @rivm follow?
fosstodon.org
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Dr. ir. Brian R. Pauw @doc.mastodon.social.ap.brid.gy · 25/04/2026
Street art in Birmingham
Street art of a stylish and hip womanRainbow-themed street art at the entrance of the LGBTQ districtBrain in a jar on a cop body scanning a phone with the text “crime think”Comic style cop under the text “mass hysteria”, saying “YOU ARE TOO OLD TO BE SO TOY!!”
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Tim Bray 🇨🇦 @timbray.cosocial.ca.ap.brid.gy · 23/04/2026
Tl;dr: #GenAI doesn’t actually have a plausible business model. www.theverge.com/ai-artificial-inte… I’m shocked … shocked.
theverge.com
You’re about to feel the AI money squeeze
The AI monetization cliff approaches.
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Gjalt-Jorn Peters @matherion.mastodon.nl.ap.brid.gy · 24/04/2026
RE: mastodon.social/@egonw/116451947212… In addition to the Dutch Open Science Festival in autumn (organized by @bjorn et al from OSC Delft), the will be also an awesome late spring edition in Limburg! Register while we still have spots - and please spread the word far and wide! 🔁 🤩
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Egon Willigh☮gen 🟥 @egonw.mastodon.social.ap.brid.gy · 23/04/2026
𝐑𝐞𝐠𝐢𝐬𝐭𝐫𝐚𝐭𝐢𝐨𝐧 𝐧𝐨𝐰 𝐨𝐩𝐞𝐧: 𝐎𝐩𝐞𝐧 𝐒𝐜𝐢𝐞𝐧𝐜𝐞 𝐅𝐞𝐬𝐭𝐢𝐯𝐚𝐥 𝐋𝐢𝐦𝐛𝐮𝐫𝐠 2026 #osflimburg The 𝐎𝐩𝐞𝐧 𝐒𝐜𝐢𝐞𝐧𝐜𝐞 𝐂𝐨𝐦𝐦𝐮𝐧𝐢𝐭𝐲 𝐌𝐚𝐚𝐬𝐭𝐫𝐢𝐜𝐡t and the 𝐎𝐩𝐞𝐧 𝐒𝐜𝐢𝐞𝐧𝐜𝐞 𝐂𝐨𝐦𝐦𝐮𝐧𝐢𝐭𝐲 𝐏𝐚𝐫𝐤𝐬𝐭𝐚𝐝 warmly invite researchers, educators, students, and anyone curious about Open Science to sign up for the 𝐎𝐩𝐞𝐧 𝐒𝐜𝐢𝐞𝐧𝐜𝐞 𝐅𝐞𝐬𝐭𝐢𝐯𝐚𝐥 𝐋𝐢𝐦𝐛𝐮𝐫𝐠 2026 on 11 […]
mastodon.social
Original post on mastodon.social
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Gjalt-Jorn Peters @matherion.mastodon.nl.ap.brid.gy · 23/04/2026
RE: mastodon.ar.al/@aral/11645288510833… Or, of course, come to @Codeberg 🤩
mastodon.ar.al
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Egon Willigh☮gen 🟥 @egonw.mastodon.social.ap.brid.gy · 19/04/2026
@matherion thanks for pointing me to ente.com! (aka @libreoffice "Safe home for your photos. End-to-end encrypted. Cross-platform. Open-source." #opensource #privacy
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Sal Rahman @manlycoffee.techhub.social.ap.brid.gy · 16/04/2026
The Parliament of Estonia is orders of magnitude smarter than whoever is in the Parliament of Canada (including Mark Carney). "Europe should regulate Big Tech instead of banning kids from social media, Estonia says" […]
techhub.social
Original post on techhub.social
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Unixorn - 90% Snark by weight @unixorn.hachyderm.io.ap.brid.gy · 12/04/2026
Periodic reminder - I'm maintaining the Internet of Trash list - github.com/unixorn/internet-of-trash. This is a list of devices to avoid with the reason why - typically companies like Chamberlain that lock out local control or put it behind a paywall. If you've found a device that […]
hachyderm.io
Original post on hachyderm.io
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