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Do you use k-fold #CrossValidation? With a fixed k=5, 7, 10? We propose "e-fold cross-validation", an energy-aware alternative in which k (or 'e') is dynamically chosen to save time and energy, with good generalizability. isg.beel.org/blog/2024/09/1… #ml #greenml #automl #evaluation

Wake up, #RecSys community! It's time to consider sustainability! We (Joeran Beel Alan Said Tobias Vente Lukas Wegmeth) call for a shift to #GreenRecSys, balancing performance with reduced environmental impact. Details: recommender-systems.com/news/2024/10/0… #GreenML #GreenAutoML #GreenRecommenderSystems

We (Tobias Vente Lukas Wegmeth) are thrilled that 8 of our 11 submissions to #recsys2024 and workshops (#RobustRecSys #RecSoGood) were accepted for publication. Thx Alan Said, Lien Michiels and students for the joint work. isg.beel.org/blog/2024/10/0… #recsys #greenrecsys #ensembles #datasets

I have a dream... a dream of *Evidence-based* best practices for #recsys research and evaluations; inspired by the medical domain. During a recent #Dagstuhl seminar, I formulated my ideas: isg.beel.org/blog/2024/10/0…. The full Dagstuhl report should be coming soon.

Did you pick a random or popular dataset for your #recsys2024 research? How about making a more informed dataset selection for #recsys2025? Today we present our poster. Come and lets discuss. #recsys.

Eine Empfehlung an meine (zukünftigen) Studenten Universität Siegen: 1. Den Artikel lesen (siehe re-post) 2. Meine Vorlesung "Recommender Systems" besuchen 3. Den tollsten Job der Welt finden :-)

I wish academic conferences were more welcoming and supportive of families and children. Let’s introduce our kids early to the spirit and freedom of scientific research— it's never too soon to inspire the next generation of thinkers! #Academia #science #openmind

I am impressed by #MistralAI's free (!) image creation capabilities. Much more humorous than #ChatGPT or #GrokAI; though writing words is still a challenge. Here's a comic about the eternal struggle of picking datasets for #recsys experiments. Related: isg.beel.org/blog/2024/09/0…

Here is what #ChatGPT thinks of Rosalind Picard's allegedly #racist slide at the NeurIPS Conference keynote isg.beel.org/blog/2024/12/1… #NeurIPS2024 #RosalindPicard

Can we do green 🟢 recommendation systems? YES! wing.nus was happy to host Joeran Beel on ✨ Rethinking Recommender Systems' Sustainability and Dataset Selection✨ . Video (w/ perm YouTube: buff.ly/49LW9PK ) #sigir #recsys & related paper: buff.ly/3ZCmWt4

Thrilled to see our call for attention to #GreenRecSys featured as an opinion paper in SIGIR Forum! Read the PDF here: sigir.org/wp-content/upl… #RecSys #GreenML #GreenAutoML #GreenAI

Excited to announce Checky, the Submission Checklist Generator for Authors, Reviewers, and LLMs in #RecSys, #IR, #ML, #AutoML, and #NLP! Following our work Schloss Dagstuhl, it will be published at #ECIR2025. 🚀 Demo: checky.recommender-systems.com 📄 Pre-print: isg.beel.org/blog/2025/01/0…

I am visiting Li Chen Hong Kong Baptist University in Hong Kong, giving a seminar talk on #GreenRecSys, enjoying the HKBU-NVIDIA Joint Symposium, and great food isg.beel.org/blog/2025/02/1…

3 months in Singapore, visiting and working with Min-Yen Kan on #recsys and #AI4Science, and meeting many others including Aixin Sun 孙爱欣, are over. Grateful for the experience and all the inspiring conversations. I’ll truly miss this time! isg.beel.org/blog/2025/01/2…

Does anyone want the domains RecSysEU.org & Recommender-Systems.EU? You can have them for free for non-profit projects; message me. Otherwise, I am going to delete them, and likely some domain grabber will get them. #recsys #domains #domainsforsale

"Like a lazy undergraduate student": Sakana's #AIScientist conducts research autonomously at a level that's both impressive and disappointing. Podcast & Preprint of our (Min-Yen Kan) evaluation: isg.beel.org/blog/2025/02/2…. Feedback is highly welcome! #Sakana #AI #AGI #ARI #AI4Science

I am honoured to announce that I have been invited to join the ACM Recommender Systems Steering Committee. This is an exciting opportunity to further engage with the community of researchers and practitioners shaping the future of #recsys. isg.beel.org/blog/2025/03/0…

André Klahold, CEO of InterRed, was recently appointed an Honorary Professor Universität Siegen. Now, he joins our group. We are looking forward to joint teaching and research in #recsys, #automl, #publishing, #news, #ai. Read more: isg.beel.org/blog/2025/04/1…

I am really glad to see that Tobias Vente and Lukas Wegmeth make the best out of their PhD time and travel to (and work in) so many places around the world. This time Tsinghua University with Min Zhang. More: isg.beel.org/blog/2025/04/0…

Our PhD students Lukas Wegmeth and tobias vente shared their insights on #GreenRecSys at SFI MediaFutures in Bergen, Norway. More details, incl. their 5 key guidelines for Green #RecSys design: isg.beel.org/blog/2025/04/0… On the photo with Sole Pera