Pinned toot is your home if you know:

\textit{idf} = - \log \frac{n_t}{N}

and... everyone else!

Pinned toot

Dear all,

For now, I will keep the site closed for registrations; but everyone can independently invite people to join using the following link to generate an invite:

If you know someone who wants to join this instance, then please do give them an invite!

Consider the instance open for those who know anyone on

"Sense of community" and an initial seed of some 40 IR researchers should be enough to keep those spammers out of here and still grow the club!

Pinned toot

Computer scientist 👨‍🏫 with main focus on Information Retrieval 📄

Also interested in Data Science / Big Data 💾

In the previous millennium :mastodon: a PhD on Multimedia Databases 🎥 (Yes that was a respectable research topic once upon a time pre-birdsite!)

is my academic home.

Entrepreneur: co-founder of ( admin.

Loves indie music: follow me at @arjenpdevries if you are interested in gigs, events, etc.

Pinned toot
Pinned toot

Inaugural toots on using a photo of lunch with Nick Belkin after attending the now Dr. Hugo Huurdeman defense.

See also:

"Should you self-host Google Fonts?

Yes it's better to self-host as the performance gains are substantial."

Late night exam grading music/

Well, decided to just turn on Kink in a very complicated way via DAB+ on my Linux computer 🙂

So KinkFM

Cultuurstrijd, maar dan niet op gelijke grond. Een vermeende strijd vol met (veelal ontoereikende) (nep-)argumenten en mensen die het woord chronisch niet kunnen spellen maar wel 2e kamerleden de les menen te moeten lezen. Maar dat is slechts die ruis. Het venijn zit 'm in de staart...

Goede column van Sheila Sitalsing: "Rookgordijn" (titel in de krant). Allemaal lezen mensen!

(Wat een week - lijkt soms echt wel jaren dertig vorige eeuw, zorgelijk.)

CLARIN (the European Research Infrastructure for Language Resources and Technology) has a federated search engine for all its content. Nice!

According to data from, the #GDPR may have actually helped to consolidate the power of the giants of #SurveillanceCapitalism.

It's official - is fully live on Matrix! Helping get Mozilla going has been a lot of fun, and we'll see a lot of improvements to Riot's UX in the coming months based on their feedback (turns out they know quite a lot about FOSS usability :D)

Hey everyone,

Tried our new plugin 'Matomo Analytics – Ethical Stats. Powerful Insights.' on the WP Directory yet? 😍

If not, easily install for free:

Try it now or share with anyone you believe would benefit from an ethical, web analytics platform!

Most recent version of the classic Asilomar report, DB research community summit, available from: (PDF), or through the SIGMOD record Dec 2019 issue.

ICTS4eHealth 2020 - 5th edition of the IEEE International Workshop on ICT Solutions for e-Health

CFP - CIRCLE 2020 | 15 March 2020 Joint Conference of the Information Retrieval,Communities in Europe

Show more

The "unofficial" Information Retrieval Mastodon Instance.

Goal: Make a viable and valuable social space for anyone working in Information Retrieval and related scientific research.

Everyone welcome but expect some level of geekiness on the instance and federated timelines.