Arjen P. de Vries
@arjenpdevries.bsky.social
📤 213
📥 153
📝 25
https://arjenp.dev/
and @
[email protected]
pinned post!
Hey there! You found me on Bluesky!! Great! I am more active on Mastodon myself: follow me from here as @arjen.idf.social.bsky.brid.gy If you want to interact (I hope so!), please *also* follow
@ap.brid.gy
(in Bluesky). Only then I can follow you in Mastodon as well.
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Bridgy Fed
https://fed.brid.gy/docs#fediverse-follow-bluesky
about 1 year ago
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Hmmm, bridgy does not (yet?) carry over the quotability settings from Mastodon to Bluesky. Hopefully soon!
add a skeleton here at some point
10 days ago
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Arjen P. de Vries
Arjen P. de Vries Timmers 🕊️
10 days ago
RE:
https://idf.social/@arjen/115958919692249312
TREC Web track data too old? Join our data challenge based on the OWS.EU project results, and help develop the test collection. Note: you can already use the Open Web Search Curlie 2025 test collection as-is; but through workshop […]
add a skeleton here at some point
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Arjen P. de Vries
Arjen P. de Vries Timmers 🕊️
10 days ago
April 2nd at ECIR 2026 in Delft: 3rd International Workshop on Open Web Search
#wows2026
https://opensearchfoundation.org/events-osf/wows2026/
With a Web Search data challenge based on OWS-Curlie-2025: The Open Web Search Curlie 2025 Test Collection, details at the OWI corpora dashboard […]
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Original post on idf.social
https://idf.social/@arjen/115958919692249312
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Arjen P. de Vries
Electronic Frontier Foundation
27 days ago
“Unfortunately, immigrants and noncitizens should now assume that anything they share publicly on social media might be surveilled by the government and potentially used against them,” EFF’s Lisa Femia told
@borderlessmag.bsky.social
.
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ICE Can Access Your Social Media. Here’s What To Know – Featured – Borderless Magazine NFP
ICE Can Access Your Social Media. Here’s What To Know – Featured – Borderless Magazine NFP
https://borderlessmag.org/2026/01/08/ice-social-media-surveillance-immigration-applications-enforcement-chicago/
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Arjen P. de Vries
Marc van Oostendorp
27 days ago
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Arjen P. de Vries
Sjoerd de Jong
27 days ago
By Killing Renee Good, ICE Sent a Message to Us All
www.nytimes.com/2026/01/08/o...
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Opinion | By Killing Renee Good, ICE Sent a Message to Us All
https://www.nytimes.com/2026/01/08/opinion/renee-good-minnesota-shooting-ice.html?smid=nytcore-ios-share
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Arjen P. de Vries
ECIR 2026
28 days ago
ECIR is pleased to offer Student Support Grants . Applicants must be full-time students. Priority consideration will be given to students with accepted papers and demonstrated financial need. To apply👉 Please complete the form
docs.google.com/forms/d/e/1F...
before January 24.
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ECIR 2026 Student Travel Grant Application Form
https://docs.google.com/forms/d/e/1FAIpQLSd2eUaptt0squuoa28WcxCq-Kq8TczfMJyBksgtC2tl6vrD1w/viewform
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Arjen P. de Vries
Damiano Spina
about 1 month ago
Working on AI, information access, and language technologies in low resource environments? Consider submitting to
@acm.org
@acmsigir.bsky.social
2026 Low Resource Environments Track:
sigir2026.org/en-AU/pages/...
#SIGIR2026
#Naarm
#Melbourne
Catherine Chavula | Monica Landoni |
@damianospina.com
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Arjen P. de Vries
Joep Bos-Coenraad 🟥
about 1 month ago
Op 18 maart ben ik opnieuw verkiesbaar voor de Nijmeegse raad! Een van mijn speerpunten is digitale onafhankelijkheid. Lees hier waarom dat belangrijker is dan ooit:
hear-me.social/@joepbc/1158...
Mocht je mijn kandidatuur bij anderen onder de aandacht kunnen brengen wordt dat gewaardeerd! <3
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Joep Bos-Coenraad (@
[email protected]
)
Waarom spreken veel Europese leiders zich niet veel kritischer uit tegen Trump in plaats van halfbakken reacties met de staart tussen de benen? Dat komt vooral omdat we bizar afhankelijk zijn van de V...
https://hear-me.social/@joepbc/115843604213412229
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Arjen P. de Vries
Ben Williamson
about 2 months ago
(Also, icyi, here are the 42 papers citing our non-existent paper which includes a "meta-analysis" - often called the evidence "gold standard" - of "LLM effects" in education 🤮
scholar.google.com.vn/scholar?star...
)
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https://scholar.google.com.vn/scholar?start=0&hl=vi&as_sdt=2005&cites=1795648861839846375&scipsc=
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Arjen P. de Vries
Ben Williamson
about 2 months ago
Closing out my year with a journal editor shocker 🧵 Checking new manuscripts today I reviewed a paper attributing 2 papers to me I did not write. A daft thing for an author to do of course. But intrigued I web searched up one of the titles and that's when it got real weird...
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Arjen P. de Vries
Asia Biega
about 2 months ago
I am hiring a PhD student at the Max Planck Institute for Security and Privacy. Topics of interest: (i) AI governance/regulation through computational and socio-technical lens, (ii) computational and socio-technical approaches to digital well-being. More information & how to apply:
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https://asiabiega.github.io/hiring/phd-responsible-computing-mpi-sp-2026.pdf
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Arjen P. de Vries
UMAP
about 2 months ago
Are you a PhD student in topics related to User Modelling and Personalization? Check out the
#UMAP2026
call for Doctoral Consortium papers! Submission: March 6, 2026 Notification: March 20, 2026 DC Day: June 8th, 2026 Call:
www.um.org/umap2026/cal...
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Call for Doctoral Consortium Papers – ACM UMAP 2026
https://www.um.org/umap2026/call-for-doctoral-consortium-applications/
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Arjen P. de Vries
Glasgow IR Group
about 2 months ago
🎄PyTerrier Advent 20/25: You can think of every PyTerrier transformer as a function - mapping from one dataframe type to another. This makes them easily cachable, courtesy of pyterrier_caching. We have cache object for retrievers, rerankers, or even indexing-time transformations (e.g. Doc2Query)
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Arjen P. de Vries
Christine Bauer
about 2 months ago
A Xmas present arrived early: Our
@dagstuhl.de
24352 Manifesto on
#Conversational
#Agents
: A Framework for
#Evaluation
(
#CAFE
) is out!
doi.org/10.4230/DagM...
We define CONversational Information ACcess (
#CONIAC
), propose a world model,+ a Conversational Agents Framework for Evaluation (CAFE).
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Arjen P. de Vries
Glasgow IR Group
about 1 month ago
🎄 PyTerrier Advent 22/25: A more complex pipeline—knowledge-graph–enhanced RAG from our EMNLP 2024 paper TRACE. We build a KG over retrieved docs, then use a transformer to reason over triples for better QA. This pipeline instantiation uses a cache (see 20th advent) on LLM-based KG extraction.
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Arjen P. de Vries
IRRJ
about 2 months ago
BREAKING: Today, at the Forum for Information Retrieval Evaluation (FIRE 2025) at the Indian Institute of Technology in Varanasi, India, we announced a partnership between
#fire2025
and
#irrj
. There will be an IRRJ special issue on FIRE! 🔥 More information to be shared here soon.
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Arjen P. de Vries
Arjen P. de Vries Timmers 🕊️
about 2 months ago
#ECIR2026 notifications were friendly to me 🤗 1. Full paper "Open Web Indexes for Remote Querying" with
@gijs
#ecir2026
and @djoerd. Can we let ppl query the Terabytes of Web Index we collect in #OpenWebSearch.EU in new ways, making good use of Parquet, S3, DuckDB? Turns out the answer is a big YES! […]
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Original post on idf.social
https://idf.social/@arjen/115734195274909384
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Arjen P. de Vries
Arjen P. de Vries Timmers 🕊️
about 2 months ago
Thanks to @wilbowma for raising issue with GenAI features in the ACM DL for premium users. It took a little effort to check this, but by going through our uni library I can access ACM articles as premium user. The screenshot (of a paper by Carsten Eickhoff) […]
[Original post on idf.social]
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Arjen P. de Vries
ECIR 2026
about 2 months ago
🎖️ Call for Nominations – The Keith van Rijsbergen (KvR) Award 2026 Read more about the award, nomination process, and find the form to submit your nominations here:
lnkd.in/emecdsXm
#ECIR2026
#InformationRetrieval
#Awards
#ResearchExcellence
ecir2026.eu/calls/keith-...
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Keith van Rijsbergen Award
keith van rijsbergen award
https://ecir2026.eu/calls/keith-van-rijsbergen-award
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Arjen P. de Vries
Caroline de Gruyter
3 months ago
Onderzoek van politicologen wijst stelselmatig uit dat kiezers niet verrechtsen. Het is het aanbod dat verrechtst, de positie van politieke leiders. Daarom is de voorzichtige terugkeer van het politieke midden juist nu belangrijk voor de democratie. Mijn column in
@nrc.nl
www.nrc.nl/nieuws/2025/...
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Column | De voorzichtige terugkeer van het politieke midden
Het politieke midden in Nederland heeft zijn stem hervonden. Dat is en blijft het verhaal van deze verkiezingen. Ja, de meeste mensen stemmen nog altijd rechts. En ja, de formatie wordt gecompliceerd....
https://www.nrc.nl/nieuws/2025/10/31/de-voorzichtige-terugkeer-van-het-politieke-midden-a4911483
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Arjen P. de Vries
Arjen P. de Vries Timmers 🕊️
4 months ago
‘The Democrats Still May Not Understand What They're Dealing With’ - POLITICO
https://www.politico.com/news/magazine/2025/10/11/elon-musk-donald-trump-silicon-valley-book-jacob-silverman-00603682
"A simple way to put it is that this is a group of people used to getting everything that they […]
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Original post on idf.social
https://idf.social/@arjen/115376811066717536
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Arjen P. de Vries
Claes de Vreese
4 months ago
Een sterke, competente vaste kamercommissie Digitale zaken. Dit initiatief van
@berthubert.bsky.social
vraagt aandacht voor "genoeg kennis in de Tweede Kamer te behouden of te krijgen [zo] dat de commissie ook na de verkiezingen geloofwaardig door kan"
#tk2025
nerdvote.nl/diza/
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NerdVote.NL
Ondersteuning voor en informatie over alle kandidaat-kamerleden met en warm hart voor onze privacy en eigen IT-vaardigheden.
https://nerdvote.nl/diza/
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Arjen P. de Vries
Electronic Frontier Foundation
4 months ago
Portland! We're excited to host a semi-secret members' Speakeasy on October 25 🍻 We hope to see you there:
eff.org/speakeasy-p...
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EFF Members' Speakeasy: Portland 2025
Join EFF staff and local online rights supporters for a Speakeasy meet up on Saturday, October 25 in Portland, Oregon at 10 Barrel Brewing!Raise a glass and discover EFF's latest work defending
https://www.eff.org/pages/eff-members-speakeasy-portland-2025-bsides
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Arjen P. de Vries
Arjen P. de Vries Timmers 🕊️
4 months ago
FT: Deloitte issues refund for error-ridden Australian government report that used AI
https://www.ft.com/content/934cc94b-32c4-497e-9718-d87d6a7835ca
"The document contained multiple errors, including references and citations to non-existent reports by academics at the universities of Sydney […]
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Original post on idf.social
https://idf.social/@arjen/115331469448434864
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Arjen P. de Vries
Tobias Müller
4 months ago
Created a DNS extension for
@duckdb.org
today:
github.com/tobilg/duckd...
Hopefully it will be available via the Community Extensions soon!
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GitHub - tobilg/duckdb-dns: DNS (Reverse) Lookup Extension for DuckDB
DNS (Reverse) Lookup Extension for DuckDB. Contribute to tobilg/duckdb-dns development by creating an account on GitHub.
https://github.com/tobilg/duckdb-dns
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Arjen P. de Vries
Arjen P. de Vries Timmers 🕊️
5 months ago
Insight in the data economy:
https://www.404media.co/airlines-sell-5-billion-plane-ticket-records-to-the-government-for-warrantless-searching/
Seems dodgy! Did I get the option to not consent? I don't recall seeing this on my last flight booking.
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Airlines Sell 5 Billion Plane Ticket Records to the Government For Warrantless Searching
New documents obtained by 404 Media show how a data broker owned by American Airlines, United, Delta, and many other airlines is selling masses of passenger data to the U.S. government.
https://www.404media.co/airlines-sell-5-billion-plane-ticket-records-to-the-government-for-warrantless-searching/
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Arjen P. de Vries
Electronic Frontier Foundation
5 months ago
Building a decentralized, distributed web is vital to finding and preserving information for all,
@archive.org
founder
@brewster.kahle.org
tells EFF’s Cindy Cohn and
@thejasonkelley.com
on the latest episode of “How to Fix the Internet.”
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Podcast Episode: Building and Preserving the Library of Everything
All this season, “How to Fix the Internet” has been focusing on the tools and technology of freedom – and one of the most important tools of freedom is a library. Access to knowledge not only creates ...
https://www.eff.org/deeplinks/2025/09/podcast-episode-building-and-preserving-library-everything
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Arjen P. de Vries
ACL
6 months ago
🕊️ Lifetime Achievement Award at
#ACL2025NLP
A standing ovation for Prof. Kathy McKeown, recipient of the ACL 2025 Lifetime Achievement Award! 🌟
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Arjen P. de Vries
Johanne Trippas
5 months ago
🌟Really excited to share the fourth Strategic Workshop on Information Retrieval (SWIRL) report published in SIGIR Forum! Paper 👉🏻
www.johannetrippas.com/papers/tripp...
More info 👉🏻
sites.google.com/view/swirl20...
#SWIRL2025
#SIGIR2026
#IR
#GenAI
#Research
#CHIIR2026
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Arjen P. de Vries
Joep Bos-Coenraad 🟥
5 months ago
Barbara Kathmann heeft fantastisch werk gedaan op het gebied van digitalisering en privacy, maar haar indrukwekkende prestaties op deze portefeuille kregen van de kandidatencommissie verrassend genoeg niet de waardering die ze verdienen. Stem daarom op onze strijdbare anti-Musk!
#RaiseTheBar
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Arjen P. de Vries
Arjen P. de Vries Timmers 🕊️
5 months ago
Recording of the OWI launch event from June 6th:
https://vimeo.com/1112822052
+ Get introduced to the Open Web Index + Learn how to access and use the Open Web index + Licenses and options for raw data access + Use cases for the Open Web Index + Hands-on tutorial on our index access tools […]
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Original post on idf.social
https://idf.social/@arjen/115107240434222878
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Arjen P. de Vries
Arjen P. de Vries Timmers 🕊️
5 months ago
Python!
https://youtu.be/GfH4QL4VqJ0?si=lT2Y7QhgusMLNctH
The Python Documentary. Featuring several CWI ex-colleagues, of course. The premiere is tomorrow on YouTube at 17:00 UTC (that's 19:00 CET for Europeans). It's an hour and 24 minutes long.
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Arjen P. de Vries
Harrie Oosterhuis
7 months ago
If you are attending
#SIGIR2025
and
#ICTIR2025
, come check out our research group's presentations! 😊 We have 14 presentations in total, with at least one every day. 😄 If you want to know more about our group, e.g., the meaning of the Informagus name 😁, do reach out to us. See you in Padua! 😎 ☀️ 🇮🇹
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Arjen P. de Vries
Caroline de Gruyter
8 months ago
Carte blanche geven aan Israël is een blunder van formaat Mijn column in
@nrc.nl
www.nrc.nl/nieuws/2025/...
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Column | Carte blanche geven aan Israël is een blunder van formaat
In Europa: Caroline de Gruyter
https://www.nrc.nl/nieuws/2025/06/20/carte-blanche-geven-aan-israel-is-een-blunder-van-formaat-a4897688
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Arjen P. de Vries
Peter Bloem
8 months ago
An 8TB corpus of copyright-free text for training AI models.
https://github.com/r-three/common-pile/blob/main/paper.pdf
I'm glad somebody has finally done this. The "we need to break copyright or AI won't work argument" feels super-dodgy to me and we can just evaluate whether it's true. 1/n
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Arjen P. de Vries
Djoerd Hiemstra 🍉
8 months ago
#dir2025
, the 22nd Dutch-Belgian Information Retrieval workshop will take place at Radboud University Nijmegen on 27 October 2025!
https://informagus.nl/dir2025/
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DIR 2025
https://informagus.nl/dir2025/
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Arjen P. de Vries
Tobias Müller
8 months ago
Welcome to the age of $10/month Lakehouses! How to build and run a Lakehouse on top of
@cloudflare.social
R2 , Cloudflare Containers and Neon Postgres, all backed by the new DuckLake "SQL as Lakehouse" format, via
@duckdb.org
.
tobilg.com/the-age-of-1...
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Welcome to the age of $10/month Lakehouses
No, this article is not about buying properties close to lakes...
https://tobilg.com/the-age-of-10-dollar-a-month-lakehouses
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Arjen P. de Vries
Arjen P. de Vries Timmers 🕊️
8 months ago
Radboud ICIS research with KU Leuven revealed a huge tracking scandal today:
https://localmess.github.io/
Meta and Yandex (ab-)used Android's fuzzy rules on using localhost to track your browsing patterns without your consent. Yandex even owns a domain to hide these access patterns. Read more […]
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Original post on idf.social
https://idf.social/@arjen/114619592257439695
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Arjen P. de Vries
Chris Kornaros
8 months ago
This is genius. If I’m understanding correctly, metadata is handled by a DuckDB compatible SQL database and the actual data is handled by an open file format of your choice. You can perform familiar SQL queries and DDL, on highly scalable open format data files. Well done!
#databs
#dataengineering
add a skeleton here at some point
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Arjen P. de Vries
DuckDB
8 months ago
Today we're launching DuckLake, an integrated data lake and catalog format powered by SQL. DuckLake unlocks next-generation data warehousing where compute is local, consistency central, and storage scales till infinity. ducklake is an open standard and we implemented it in the "ducklake" extension.
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Arjen P. de Vries
Arjen P. de Vries Timmers 🕊️
8 months ago
DuckLake announced today:
https://ducklake.select/
An integrated data lake and catalog format "DuckLake delivers advanced data lake features without traditional lakehouse complexity by using Parquet files and your SQL database. It's an open, standalone format from the DuckDB team." Podcast […]
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Original post on idf.social
https://idf.social/@arjen/114581048492047894
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Arjen P. de Vries
Margaret Mitchell
9 months ago
For more on why the answer for all of AI may be 42, check out
@emilymbender.bsky.social
and
@alexhanna.bsky.social
‘s new book!
add a skeleton here at some point
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Arjen P. de Vries
Djoerd Hiemstra 🍉
9 months ago
Research on
#openscience
in the Netherlands: Call for proposals
https://www.openscience.nl/en/calls/research-on-open-science
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Arjen P. de Vries
Arjen P. de Vries Timmers 🕊️
9 months ago
Genoten bij S10 in Roosje vanavond
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Arjen P. de Vries
Arjen P. de Vries Timmers 🕊️
9 months ago
Post-quantum crypto finds its use in the real world! An informative article on the recent RHEL 10 release: https://www.redhat.com/en/blog/post-quantum-cryptography-red-hat-enterprise-linux-10
#radboud
University has a great track record in the research that led to this step, eg the recent PhD […]
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Original post on idf.social
https://idf.social/@arjen/114555729747348245
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Arjen P. de Vries
Arjen P. de Vries Timmers 🕊️
9 months ago
Save the Web? Save the date! June 6, 2025, 10am CEST
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Arjen P. de Vries
ACM FAccT
9 months ago
Announcing our keynote speakers for
#FAccT2025
! 🎉 Suresh Venkatasubramanian (Brown) Nathalie Smuha (KU Leuven) Kristian Lum (Google DeepMind) Molly Crockett (Princeton) And the plenary panel will be on “Pathways of Change and the Future of Responsible AI"
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Arjen P. de Vries
Claes de Vreese
9 months ago
Mircosoft's decision to block access to International Criminal Court Prosecutor Khan's mail - per Trump request - leads to fundamental questions: Could the Netherlands (and its public administration) survive without Microsoft? The answer is probably not...
www.volkskrant.nl/binnenland/t...
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Techbedrijf aan de leiband van Trump – kan Nederland nog wel zonder Microsoft?
Techgigant Microsoft moet naar Donald Trumps pijpen dansen. De Nederlandse afhankelijkheid van Microsoft-systemen wordt in toenemende mate riskant, zoals blijkt bij het Internationaal Strafhof.
https://www.volkskrant.nl/binnenland/techbedrijf-aan-de-leiband-van-trump-kan-nederland-nog-wel-zonder-microsoft~b4262ab3/
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Arjen P. de Vries
Vox
9 months ago
In de achtertuin van de Faculteit der Natuurwetenschappen, Wiskunde en Informatica staat sinds een week een kampement van pro-Palestina-activisten. Het zorgt voor beroering binnen de faculteit, die allerlei veiligheidsmaatregelen heeft getroffen. (1/2)
www.voxweb.nl/nieuws/pro-p...
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Pro-Palestijns kamp zorgt voor beroering in de bètafaculteit: 'Grenzen worden opgezocht én overschreden' - Vox magazine
In de achtertuin van de Faculteit der Natuurwetenschappen, Wiskunde en Informatica staat sinds een week een kampement van pro-Palestina-activisten. Het zorgt voor beroering binnen de faculteit, die al...
https://www.voxweb.nl/nieuws/pro-palestijns-kamp-zorgt-voor-beroering-in-de-betafaculteit-grenzen-worden-opgezocht-en-overschreden
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