September 27, 2026 at 6:10 PM
Love this concluding highlight from @mmitchell.bsky.social’s keynote at #RecSys2026: “let’s build systems that leave people better able to see, think, and say no”.
September 29, 2026 at 2:41 PM
Love this concluding highlight from @mmitchell.bsky.social’s keynote at #RecSys2026: “let’s build systems that leave people better able to see, think, and say no”.
@recsys.bsky.social ACM Conference on Recommender Systems #RecSys2026 Main Conference Day 2: RecSys 20th Anniversary Presentation
September 30, 2026 at 3:21 PM
@recsys.bsky.social ACM Conference on Recommender Systems #RecSys2026 Main Conference Day 2: RecSys 20th Anniversary Presentation
The #recsys2026 talk I've been looking for to the most: the ethics of engineering recommendations that reshape reality by @mmitchell.bsky.social
#recsys #ethicalai
#recsys #ethicalai
September 29, 2026 at 2:07 PM
The #recsys2026 talk I've been looking for to the most: the ethics of engineering recommendations that reshape reality by @mmitchell.bsky.social
#recsys #ethicalai
#recsys #ethicalai
Proud that this thing we started in 2010 that grew into what is not the #recsyschallenge is now highlighted as one of the key community events of @recsys.bsky.social
2010.recsyschallenge.com #recsys2026 #recsys2010
2010.recsyschallenge.com #recsys2026 #recsys2010
September 30, 2026 at 2:42 PM
Proud that this thing we started in 2010 that grew into what is not the #recsyschallenge is now highlighted as one of the key community events of @recsys.bsky.social
2010.recsyschallenge.com #recsys2026 #recsys2010
2010.recsyschallenge.com #recsys2026 #recsys2010
Also presenting our paper with Xiaohongshu this afternoon during Session 5A: Industrial Ranking, CTR & Scalable Models! #RecSys2026
Just accepted at #RecSys2026! 🎉
A multimodal LLM supporting Explore Feed recommendations for over 300 MILLION USERS on Xiaohongshu (RedNote).
Grateful to have contributed to work with such massive impact.
More details below! 👇
A multimodal LLM supporting Explore Feed recommendations for over 300 MILLION USERS on Xiaohongshu (RedNote).
Grateful to have contributed to work with such massive impact.
More details below! 👇
September 30, 2026 at 4:21 PM
Also presenting our paper with Xiaohongshu this afternoon during Session 5A: Industrial Ranking, CTR & Scalable Models! #RecSys2026
Don’t know what you’re doing at #recsys2026 this morning? Come check out my tutorial on reproducibility! md.ekstrandom.net/pubs/recsys-...
Continuous Automated Reproducibility
Upcoming RecSys tutorial on practical tools and workflows for reproducible recommender systems experiments.
md.ekstrandom.net
September 28, 2026 at 1:06 PM
Don’t know what you’re doing at #recsys2026 this morning? Come check out my tutorial on reproducibility! md.ekstrandom.net/pubs/recsys-...
Really happy to have co-chaired the 4th edition of the Music Recommender Systems Workshop ( #MuRS2026 ) at #RecSys2026 w/ Andres Ferraro, @lorenzoporcaro.bsky.social, + Marta Moscati.
Many great talks, interesting discussions, and a nice mix of academia + industry.
sites.google.com/view/murs-20...
Many great talks, interesting discussions, and a nice mix of academia + industry.
sites.google.com/view/murs-20...
September 29, 2026 at 9:43 PM
Really happy to have co-chaired the 4th edition of the Music Recommender Systems Workshop ( #MuRS2026 ) at #RecSys2026 w/ Andres Ferraro, @lorenzoporcaro.bsky.social, + Marta Moscati.
Many great talks, interesting discussions, and a nice mix of academia + industry.
sites.google.com/view/murs-20...
Many great talks, interesting discussions, and a nice mix of academia + industry.
sites.google.com/view/murs-20...
Day 1 @recsys.bsky.social:
Standout session from Shopify:
1. HSTU backbone + Time-sensitive RoPE & FTSP for multi-horizon
2. TIGER Semantic IDs mapping items + merchant actions into one semantic space
3. OneRec unifying generative recs across buyer & merchant ecosystems
#RecSys2026
Standout session from Shopify:
1. HSTU backbone + Time-sensitive RoPE & FTSP for multi-horizon
2. TIGER Semantic IDs mapping items + merchant actions into one semantic space
3. OneRec unifying generative recs across buyer & merchant ecosystems
#RecSys2026
September 29, 2026 at 2:33 PM
Day 1 @recsys.bsky.social:
Standout session from Shopify:
1. HSTU backbone + Time-sensitive RoPE & FTSP for multi-horizon
2. TIGER Semantic IDs mapping items + merchant actions into one semantic space
3. OneRec unifying generative recs across buyer & merchant ecosystems
#RecSys2026
Standout session from Shopify:
1. HSTU backbone + Time-sensitive RoPE & FTSP for multi-horizon
2. TIGER Semantic IDs mapping items + merchant actions into one semantic space
3. OneRec unifying generative recs across buyer & merchant ecosystems
#RecSys2026
Nice surprise from #RecSys2026: happy to see that the work behind the scenes gets recognized. Thanks @alansaid.com , Francesco, and Adir for sharing the photo!
An encouraging sign for the next challenge.
An encouraging sign for the next challenge.
September 30, 2026 at 9:13 AM
Nice surprise from #RecSys2026: happy to see that the work behind the scenes gets recognized. Thanks @alansaid.com , Francesco, and Adir for sharing the photo!
An encouraging sign for the next challenge.
An encouraging sign for the next challenge.
#RecSys #RecSys2025 Very excited to welcome as many of you as can come to my city next year for #RecSys2026!
September 25, 2025 at 3:49 PM
#RecSys #RecSys2025 Very excited to welcome as many of you as can come to my city next year for #RecSys2026!
@recsys.bsky.social
Session 4B: Fairness, Privacy & Safety
Join us for presentations: recsys.acm.org/recsys26/ses... at #ACM #RecSys2026
Session 4B: Fairness, Privacy & Safety
Join us for presentations: recsys.acm.org/recsys26/ses... at #ACM #RecSys2026
September 30, 2026 at 4:39 PM
@recsys.bsky.social
Session 4B: Fairness, Privacy & Safety
Join us for presentations: recsys.acm.org/recsys26/ses... at #ACM #RecSys2026
Session 4B: Fairness, Privacy & Safety
Join us for presentations: recsys.acm.org/recsys26/ses... at #ACM #RecSys2026
@recsys.bsky.social Sing along with the Backstreet Boys (!?) and Professor Alain Starke @alainstarke.bsky.social at #ACM #RecSys2026 !!!
September 30, 2026 at 3:38 PM
@recsys.bsky.social Sing along with the Backstreet Boys (!?) and Professor Alain Starke @alainstarke.bsky.social at #ACM #RecSys2026 !!!
RecSys 2026 started today in Minneapolis with the Doctoral Symposium. Tomorrow: 8 tutorials and 10 workshops. #RecSys2026
Program: recsys.acm.org/recsys26/rec...
Program: recsys.acm.org/recsys26/rec...
RecSys – ACM Recommender Systems
Program You can browse the full RecSys 2026 conference program via the ACM SIGCHI conference web app (using a web browser from a PC, tablet, or mobile device). RecSys 2026 Doctoral Symposium (by invit...
recsys.acm.org
September 27, 2026 at 11:52 PM
RecSys 2026 started today in Minneapolis with the Doctoral Symposium. Tomorrow: 8 tutorials and 10 workshops. #RecSys2026
Program: recsys.acm.org/recsys26/rec...
Program: recsys.acm.org/recsys26/rec...
@recsys.bsky.social
Session 4A: Agentic Recommendation & Autonomous Optimization
Join us for presentations: recsys.acm.org/recsys26/ses... at #ACM #RecSys2026
Session 4A: Agentic Recommendation & Autonomous Optimization
Join us for presentations: recsys.acm.org/recsys26/ses... at #ACM #RecSys2026
September 30, 2026 at 4:37 PM
@recsys.bsky.social
Session 4A: Agentic Recommendation & Autonomous Optimization
Join us for presentations: recsys.acm.org/recsys26/ses... at #ACM #RecSys2026
Session 4A: Agentic Recommendation & Autonomous Optimization
Join us for presentations: recsys.acm.org/recsys26/ses... at #ACM #RecSys2026
Going to #RecSys2026? I'll be giving a tutorial, “Continuous Automated Reproducibility: Practical Tools and Workflows for Repeatable and Reproducible Research”. Don't miss it! More details to come :)
May 14, 2026 at 2:29 PM
Going to #RecSys2026? I'll be giving a tutorial, “Continuous Automated Reproducibility: Practical Tools and Workflows for Repeatable and Reproducible Research”. Don't miss it! More details to come :)
Joe Konstan introducing the John T. Riedl Lasting Impact Award at #RecSys2026, recognizing work with a durable impact on the field. Happy to be a part of the committee who selected the first recipient and to carry forward John’s memory and legacy.
September 30, 2026 at 1:47 PM
Joe Konstan introducing the John T. Riedl Lasting Impact Award at #RecSys2026, recognizing work with a durable impact on the field. Happy to be a part of the committee who selected the first recipient and to carry forward John’s memory and legacy.
Since it’s #recsys2026 camera-ready season (congrats to all with accepted papers!), re-sharing this thing I put together about making excellent final paper manuscripts: md.ekstrandom.net/blog/2023/08...
Final Paper Checklist
A list of things to check when preparing a paper for publication.
md.ekstrandom.net
July 15, 2026 at 10:12 PM
Since it’s #recsys2026 camera-ready season (congrats to all with accepted papers!), re-sharing this thing I put together about making excellent final paper manuscripts: md.ekstrandom.net/blog/2023/08...
A full day of tutorials and workshops at #RecSys2026. Tomorrow the main conference opens with awards at 8:30 am and a keynote by Margaret Mitchell.
Program: recsys.acm.org/recsys26/rec...
Program: recsys.acm.org/recsys26/rec...
RecSys – ACM Recommender Systems
Program You can browse the full RecSys 2026 conference program via the ACM SIGCHI conference web app (using a web browser from a PC, tablet, or mobile device). RecSys 2026 Doctoral Symposium (by invit...
recsys.acm.org
September 28, 2026 at 11:39 PM
A full day of tutorials and workshops at #RecSys2026. Tomorrow the main conference opens with awards at 8:30 am and a keynote by Margaret Mitchell.
Program: recsys.acm.org/recsys26/rec...
Program: recsys.acm.org/recsys26/rec...
Deadline extension! We are extending the AltRecSys deadline for #RecSys2026 to **July 31**. Submit your strangest ideas! altrecsys.github.io/recsys26/
AltRecSys at RecSys 2026
altrecsys.github.io
July 20, 2026 at 3:38 PM
Deadline extension! We are extending the AltRecSys deadline for #RecSys2026 to **July 31**. Submit your strangest ideas! altrecsys.github.io/recsys26/
Just accepted at #RecSys2026! 🎉
A multimodal LLM supporting Explore Feed recommendations for over 300 MILLION USERS on Xiaohongshu (RedNote).
Grateful to have contributed to work with such massive impact.
More details below! 👇
A multimodal LLM supporting Explore Feed recommendations for over 300 MILLION USERS on Xiaohongshu (RedNote).
Grateful to have contributed to work with such massive impact.
More details below! 👇
July 15, 2026 at 8:23 AM
Just accepted at #RecSys2026! 🎉
A multimodal LLM supporting Explore Feed recommendations for over 300 MILLION USERS on Xiaohongshu (RedNote).
Grateful to have contributed to work with such massive impact.
More details below! 👇
A multimodal LLM supporting Explore Feed recommendations for over 300 MILLION USERS on Xiaohongshu (RedNote).
Grateful to have contributed to work with such massive impact.
More details below! 👇
Hello, world! We're very happy to be bringing the #AltRecSys workshop back to #RecSys2026. CFP coming soon, prepare your weirdest ideas! altrecsys.github.io/recsys26/
AltRecSys at RecSys 2026
altrecsys.github.io
April 21, 2026 at 7:00 PM
Hello, world! We're very happy to be bringing the #AltRecSys workshop back to #RecSys2026. CFP coming soon, prepare your weirdest ideas! altrecsys.github.io/recsys26/
Heading to Minneapolis, Minnesota 🇺🇸 next week for #RecSys2026 @recsys.bsky.social, the 20th ACM Conference on Recommender Systems, and one of my favorite scientific events of the year.
Quite a busy schedule ahead! 👇
Quite a busy schedule ahead! 👇
September 22, 2026 at 6:56 AM
Heading to Minneapolis, Minnesota 🇺🇸 next week for #RecSys2026 @recsys.bsky.social, the 20th ACM Conference on Recommender Systems, and one of my favorite scientific events of the year.
Quite a busy schedule ahead! 👇
Quite a busy schedule ahead! 👇