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Posts by Arjen P. de Vries

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President in de problemen, president zoekt schuldigen

2 weeks ago 33 4 8 0

Slides from my presentation on the IRRJ paper on "Emancipatory Information Retrieval": bhaskar-mitra.github.io/files/emanci... #ECIR2026 #IRRJ
cc: @ecir2026.eu

2 weeks ago 5 3 0 0
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DuckLake The Definitive Guide — Free O'Reilly Book A comprehensive O'Reilly guide to the open table format that replaces file-based metadata with SQL databases. Free early access for data engineers and platform teams.

You have to really love something to write a book about it. DuckLake makes PB-scale lakehouses simple: Postgres, Object Storage, DuckDB, & 6 lines of SQL.

Chapter 1 of the @oreilly.bsky.social book I'm co-authoring just dropped - download for free at this link!

motherduck.com/lp/ducklake-...

2 weeks ago 30 5 0 1
Nunes on stage receiving a paper copy of the issue with his paper

Nunes on stage receiving a paper copy of the issue with his paper

#ECIR2026 again: Sérgio Nunes presented the #IRRJ paper "Evaluating Dense Model-based Approaches for Multimodal Medical Case Retrieval" https://orcid.org/0009-0005-5000-6333

2 weeks ago 1 3 1 0
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Reconstructie: Ontslagen psycholoog knipte, plakte en husselde onderzoeksresultaten - Vox magazine De voormalige wetenschapper van de Radboud Universiteit die data manipuleerde, was universitair hoofddocent aan de sociale faculteit. Dat blijkt uit een reconstructie van Vox. In 2025 werd hij op staa...

Een psycholoog van de Radboud Universiteit is schuldig bevonden aan datafabricage. De oud-medewerker was eerder al op staande voet ontslagen om een andere reden: fraude met facturen.
Met @kenlambeets.bsky.social maakte ik een reconstructie voor @voxweb.bsky.social.
www.voxweb.nl/nieuws/recon...

2 weeks ago 8 6 1 0
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Jimmy Lin 🪄 sharing his ongoing (agentic?) loop between 🤯 and 🤷‍♂️ state of mind wrt coding and GenAI.

Reproducibility, yes, but for who? For our students, or for our students' coding agents?

Will teaching class just become sharing the SKILL.md file? Do we only […]

[Original post on idf.social]

2 weeks ago 0 2 0 0
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Now Yiqun Liu introducing Tetsuya Sakai as the Keith van Rijsbergen award winner!

What an excellent choice 🤗

#ECIR2026

2 weeks ago 4 2 1 0
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Jan Heinrich Merker presents work - with Harrison Scells @hscells.bsky.social and Martin Potthast @martin-potthast.com - on better support infra for mining the Archive Query Log.

See also:
https://github.com/webis-de/archive-query-log

(Followup on the earlier SIGIR paper.)

#ECIR2026

2 weeks ago 3 2 0 0
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🇳🇱 DuckCon returns to the Netherlands! We'll host our next edition on June 24 in Amsterdam.

We are looking forward to meeting the DuckDB community in our home town's Royal Tropical Institute for an afternoon of talks and discussions.

Please submit your talk proposals and register!

duckcon.org

2 weeks ago 12 4 1 0

Hello if you think this expression on my face is mischief and provocation you would be correct. Having an absolute blast at #ECIR2026 #IR4Good - thank you for letting me show up to to talk about how important (good) IR is for global democracies!

2 weeks ago 2 2 0 0
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Call for Bids: ECIR 2028 The European Conference on Information Retrieval (ECIR) is Europe’s premier conference on Information Retrieval.

@ecir2026.eu is in full swing in Delft, and next year ECIR will come home to the UK. But where will it be in 2028? It could be in your city! The BCS Information Retrieval Specialist Group (IRSG) is calling for bids for ECIR 2028 – medium.com/bcs-irsg-inf...

3 weeks ago 3 2 0 0
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Preserving The Web Is Not The Problem. Losing It Is. Recent reporting by Nieman Lab describes how some major news organizations—including The Guardian, The New York Times, and Reddit—are limiting or blocking access to their content in the Internet Ar…

Blocking archives risks harming the public record.

Some news organizations are restricting access to the #WaybackMachine over fears of AI scraping. Mark Graham explains why these concerns are unfounded.

Get the story on Techdirt 🔗
www.techdirt.com/2026/02/17/p...

@mark.bsky.social #techdirt

2 weeks ago 250 75 1 0
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Open Web Indexes for Remote Querying We propose to redesign the access to Web-scale indexes. Instead of using custom search engine software and hiding access behind an API or a user interface, we store the inverted file in a standard, op...

Our #ECIR2026 paper on "remote querying" Web indexes in Parquet files on S3 using #DuckDB

Paper:
doi.org/10.1007/978-...

Want to try it yourself?

Docs in the #openwebsearch book:
openwebsearcheu-public.pages.it4i.eu/ows-the-book...

Code:
gitlab.science.ru.nl/informagus/r...

3 weeks ago 4 1 0 0
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Mohanna Hoveyda presenting our work on the Oracle and the Logician, OrLog, where the LLM provides plausibility estimates for clauses in an (auto generated) Probabilistic Prolog program that will produce the answer to complex entity queries.

The approach seperates […]

[Original post on idf.social]

3 weeks ago 0 2 0 0
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Maanmissie Artemis ook spannend voor Nijmeegse sterrenkundigen - Vox magazine Woensdagnacht vertrekken vier NASA-astronauten richting de maan. Slaagt hun missie, dan gaan op een van de volgende lanceringen mogelijk Nijmeegse radiotelescopen mee.

Woensdagnacht vertrekken vier NASA-astronauten richting de maan. Slaagt hun missie, dan gaan op een van de volgende lanceringen mogelijk Nijmeegse radiotelescopen mee.

3 weeks ago 0 1 0 0
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Gijs Hendriksen presenting our work on "remote querying" to provide access to huge Web resources through de facto standard tech: Parquet files in S3 queried using #DuckDB to facilitate IR research at very acceptable latencies.

Run your ClueWeb experiment in 10 […]

[Original post on idf.social]

3 weeks ago 3 1 1 0

Let me highlight the nice (not intended, but approved by the speaker) ambiguity in "lies" in this take home message, that AI lies over search results.

3 weeks ago 0 0 0 0
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What’s behind the global push to ban social media for kids It started in Australia. Now dozens of countries are working on laws to keep younger kids away from social media. But do they really work?

Info you provide to verify your age online is shared with intermediaries that collect and process your info, EFF’s @davidgreene.bsky.social told @csmonitor.bsky.social. “That raises very serious privacy and speech concerns both for young people and for adults.” www.csmonitor.com/World/Asia-...

3 weeks ago 76 48 0 3
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🏆 Congratulations to our #ECIR2026 Reviewer Award & SPC Member Award recipients! Your commitment to high-quality peer review keeps our community thriving. Thank you! 🙏

3 weeks ago 8 5 0 0
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Keynote by @djoerd about Web search as a public utility, and of course https://ows.eu

Note the #openwebsearch and #DuckDB stickers on the laptop 😉

3 weeks ago 2 1 0 0
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Katja Hofmann celebrates her "academic homecoming" with a #ECIR2026 keynote on People-centric AI.

Young faces in the photo 😉

3 weeks ago 3 1 0 0
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Locus Publicus Delft – sinds 1978

One of my fav bars in Delft is https://www.locuspublicus.nl/

#ecir2026 #beer

3 weeks ago 3 2 1 0

Mensen overhalen!

1 month ago 0 0 0 0

Is het wel zo'n goede ontwikkeling dat BSKY geleid gaat worden door een VC?

Voor wie nu denkt, grrr, net nieuw platform uitgekozen, zit ik weer fout... kom naar Mastodon, net zo functioneel maar onafhankelijk, switchen van server is standaard en je verliest geen follower.

Welkom in de Fediverse!

1 month ago 1 1 0 0
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Op mastodpn kon ik m editen/ nu maak ik m opnieuw!

1 month ago 0 0 1 0

Ik bedoelde niet Joep maar de lezer, sorry Joep!

1 month ago 1 0 2 0

Trump can always just declare the war over and leave... but is it then?

1 month ago 0 0 0 0

Zoals Joep het zegt, is het wel zo'n goede ontwikkeling dat BSKY geleid gaat worden door een VC?

Was je nu maar naar Mastodon overgestapt toch, net zo functioneel maar minder afhankelijk.

Het goede nieuws: dat kan nog altijd!

1 month ago 1 0 1 0

Dank je @bitsoffreedom

www.bitsoffreedom.nl/2026/03/10/rechter-geeft...

Meta must change service to put NL users in control!

Since it follows from the DSA, it's a matter of time and will apply in all of Europe.

1 month ago 0 3 0 0