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:

Search results diversification for effective fair ranking in academic search

A Sensitivity Analysis of the MSMARCO Passage Collection. (arXiv:2112.03396v1 [cs.IR])

URGENT: Starting Dec. 1st, Russian ISPs have started blocking access to Tor. We've also learned that Roskomnadzor, the Russian gov't responsible for censorship, intends to block
We need your help NOW to fight censorship!

Check it out!

The well-known Dutch museum of "Beeld en Geluid" (Sound & Vision) is experimenting with offering of their extensive historic video collection via @peertube

Here's the main museum website:

It is wonderful to see more and more open museums and other institutions explore open technologies such as #Peertube

I birdsided the announcement with a CC to the museum:

At the guest talk by Amin Bigdeli from Ryerson University about gender bias in information retrieval search results

Today it’s the 50th anniversary of Project Gutenberg.

If you’re unfamiliar with it: it’s a vast collection of freely available ebooks.

Yep, we can proudly announce the Codeberg Pages Server v2, now available to the public.

It comes with custom domains (!), serving from your different branches, repos and more.

Check it out at 💙

The Zeta Alpha blog post are really helpful: The TL;DR of the 10 best NeurIPS 2021 papers

TheoretiCS, a new diamond-open-access journal in all areas of theoretical computer science:

It is being run as an overlay of arXiv, through the Episciences platform for such overlays, with Javier Esparza and Uri Zwick as editors-in-chief and a large and distinguished editorial board.

If you take a drink every time you see a cryptocurrency mention in the Bluesky community Discord, you will die.

Bluesky was announced in December 2019. It is now December 2021. The community Discord server is still arguing about what identity is.

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.