New LensKit-Auto brings TPE, DeepCAVE and new LensKit Core features
Disclaimer: I am also head of the Intelligent Systems Group, which developed LensKit-Auto A new step for LensKit-Auto The Intelligent Systems Group at the University...
ACM TORS enters Web of Science: another step in the journal’s maturation
ACM Transactions on Recommender Systems has been selected for coverage in the Emerging Sources Citation Index of the Web of Science Core Collection. For a...
ACM TORS: Information Director vs. Outreach Editor
The old “Information Director” Joeran Beel is now the new “Outreach Editor” Joeran Beel. ACM TORS thanks ACM, Association for Computing Machinery, for accepting the...
Attention in RecSys: When Attention Stops Paying for Itself
Part 1 of a series on scaling user sequence modeling in production RecSys. Don’t want to read a wall of text? Here’s the audio/video explainer,...
ACM TORS Raises the Bar: The New Policy for Better Reproducibility in Offline Studies
ACM Transactions on Recommender Systems (ACM TORS) is placing increased emphasis on methodological rigor in submissions that rely on offline evaluation. The goal is to...
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...
LensKit 2026.1.0 arrived!
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....
What the RecSys Steering Committee agenda 2026 tells young researchers
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 Registration Opens
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...