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...

LensKit 2026.1.0 (Website; GitHub) has been released, and it is best understood as a continuation of the refactoring effort that reshaped the library in 2025....

Alan Said — chair of the ACM Recommender Systems Steering Committee — recently shared a short update from the ACM RecSys Steering Committee via LinkedIn....

ACM UMAP 2026 opens registration. 11 days left to benefit from early-bird pricing. Unfortunately, 25% VAT is added to all prices. The payment company, gave...

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...

Multimodal recommendation is one of those ideas that sounds obvious until one looks more closely. Of course recommender systems should use more than one signal....

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...

ACM Transactions on Recommender Systems (ACM TORS) has now been included in the China Computer Federation Ranking (CCF Ranking) (PDF). In the newly updated list,...

ACM RecSys 2026 has published its Call for Contributions, so the yearly ritual can begin: staring at AoE deadlines, renaming drafts (“last one”, “very last...

RecSys 2026’s general chairs put out a LinkedIn and WhatsApp note, and it’s one of those posts you read with that little knot in your...