Thank You for Your Service! Two Decades and 289 Chairs at ACM RecSys
The first post in this series looked at who runs the ACM Conference on Recommender Systems (ACM RecSys), and how the conference changed as an...
Who Runs ACM RecSys? From 11 to 50+ Chairs in Twenty Years
Most conference statistics count papers, citations, acceptance rates, or attendees. I counted something else: the number of people who make the ACM Conference on Recommender...
ACM’s New AI Policy Is Almost Right: AI-Written Papers Are Not the Problem. Unaccountable Papers Are!
ACM has changed its authorship policy on AI, and the core message is simple: AI-assisted writing no longer needs to be disclosed. Authors may use...
Dr. Dr. Recommender Systems: Mounia Lalmas becomes an honorary doctor in Gothenburg
The University of Gothenburg has appointed Mounia Lalmas (-Roelleke) as an honorary doctor at its Faculty of Science and Technology. That is a nice sentence...
Update of the RecSys Expert Map
We updated our recommender-systems expert map to a new system. It’s not yet perfect, e.g. for some entries the roles are missing, and members of...
A New RecSys Blog: MagicMag on Recommender Systems and the Missing ChatGPT Moment
We stumbled on an interesting new blog. It is called MagicMag, and the simple reason to note it is this: our community needs much more...
Call for Papers: Challenges in Modern Multimodal Recommender Systems (ACM TORS)
Update 2026-06-09: Deadline Extended to September 30, 2026 Multimodal recommendation is one of those ideas that sounds obvious until one looks more closely. Of course...
Music Recommender Systems: Call for Papers by ACM TORS for a Special Issue
Music recommendation is an unusually difficult problem. It is not only about matching listeners to songs. It is also a matter of balancing the interests...
RS_c moves from X/Twitter to LinkedIn as the primary social channel
For years, RS_c treated X (and Twitter before it) as the natural place to “ship” recommender-systems news. You published a post, you dropped a link,...
ACM UMAP 2025: (Preliminary) Call for Papers
UMAP (B ranked) released a preliminary Call for Papers for the UMAP 2025 conference in New York from June 16 – 20, 2025. We also...