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 ๐Ÿ‘จโ€๐Ÿซ with main focus on Information Retrieval ๐Ÿ“„

Also interested in Data Science / Big Data ๐Ÿ’พ

In the previous millennium :mastodon: a PhD on Multimedia Databases ๐ŸŽฅ (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:

When you thought you caught up...

Google releasing mT5: A massively-multilingual version of T5 that supports over ๐Ÿ’ฏ languages! mT5 was pre-trained on a multilingual version of C4 and achieves SoTA on many cross-lingual NLP tasks.


Interesting uses of Google Trends data to understand election themes throughout the years.

Flexible retrieval with NMSLIB and FlexNeuART. (arXiv:2010.14848v1 [cs.IR])

PhD student Ivan Veul vertelt op radio Nijmegen over zijn onderzoek naar wat we mogen verwachten van Big Tech partijen als Google, en hoe hij voor zijn onderzoek een (online!) burgerdialoog heeft georganiseerd over de toekomst van het internet, met honderd mensen.


Meer informatie over Ivan's onderzoek:

Meer informatie over de burgerdialoog:

Save the web, freely. Wallabag: a self hostable application for saving web pages

To all Matomo 4 beta testers and users out there, we'd love to hear your thoughts!

Your feedback is greatly valued as it'll help us refine Matomo 4 for the November release ๐Ÿ˜Š

Please share what you've learnt and experienced here:

"We are asking Spotify to raise the average streaming royalty from $.0038 to a penny per stream."

B C, Before Computers by Stephen Robertson: On Information Technology from Writing to the Age of Digital Data

#MozillaHubs :

> Hubs is a virtual collaboration platform that runs in your browser. With Hubs you can create your own 3D spaces with a single click. Invite others to join using a URL. No installation or app store required.


Hubs + #ActivityPub = #ImmersSpace

> The metaverse is here: an immersive Web full of social virtual and augmented reality experiences. [ . . . ] we dream of a democratized new era of the Web where creators own their content, users own their data, and no single entity exhibits undue influence on the community as a whole.

I knew I just had to wait around long enough and someone would get around to implementing it. ๐Ÿ˜€

When you tell Chrome to wipe private data about you, it spares two websites from the purge:, YouTube. A bug? Yeah, right!

Call for Papers

Personal and Ubiquitous Computing | Theme issue on intelligent systems for tackling online harms

Research contributions on misinformation- and harm-aware intelligent systems:
* assisting users in making informed decisions in the context of online misinformation, hate speech and other forms of online harms;
* improving detection methods and diffusion modelling as well as addressing concerns such as social biases, fairness and explainability.

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.