Programme

CONSEQUENCES 2023 was a success!

The recorded workshop can be found on YouTube: https://www.youtube.com/watch?v=WRRnsZfcQ9g

09:00 Welcome by the organisers

09:00 – 10:00 Keynote: Michael Jordan Contracts, Delegation, and Incentives in Decentralized Machine Learning

10:00 – 10:30 Paper Session

Content Prompting: Modeling Content Provider Dynamics to Improve User Welfare in Recommender Ecosystems
Siddharth Prasad (Carnegie Mellon University); Martin Mladenov (Google); Craig Boutilier (Google Research)
Self-Normalized Off-Policy Estimators for Ranking
Ben London (Amazon); Alexander Buchholz (Amazon); Giuseppe Di Benedetto (Amazon); Jan Malte Lichtenberg (Amazon); Yannik Stein (Amazon); Thorsten Joachims (Cornell)

10:30 – 11:15 Coffee + Poster session

11:15 – 12:15 Keynote: Minmin Chen Exploration in Recommender Systems
12:15 – 12:30 Paper Session

Offline Recommender System Evaluation under Unobserved Confounding
Olivier Jeunen (ShareChat); Ben London (Amazon)

12:30 – 14:00 Lunch

14:00 – 14:50 Tutorial: Harrie Oosterhuis Doubly Robust Estimation for Position-Biased Clicks

14:50 – 15:20 Paper Session

Double Clipping: Less-Biased Variance Reduction in Off-Policy Evaluation
Jan Malte Lichtenberg (Amazon); Alexander Buchholz (Amazon); Giuseppe Di Benedetto (Amazon); Matteo Ruffini (Amazon); Ben London (Amazon)
Large Scale Bayesian Recommendation Systems in Production Environments
Imane Baha (Criteo); David J. Rohde (Criteo); Hamlet Jesse Medina Ruiz (Criteo); Flavian Vasile (Criteo)

15:20 – 16:05 Coffee + Poster session

16:05 – 17:05 Keynote: Wenjie Wang Causal Inference for Trustworthy Recommender Systems

17:05 – 17:35 Paper Session

Managing Multifactorial Bias in Recommender Systems
Jin Huang (University of Amsterdam); Harrie Oosterhuis (Radboud University); Masoud Mansoury (University of Amsterdam); Herke van Hoof (University of Amsterdam); Maarten de Rijke (University of Amsterdam)
Causal Discovery in Recommender Systems: a Case Study in Online Hotel Search
Emanuele Cavenaghi (Free University of Bozen-Bolzano); Alessio Zanga (University of Milano-Bicocca); Alessandro Rimoldi (Bravonext SA t/a lastminute.com); Paolo Minasi (Bravonext SA t/a lastminute.com); Fabio A Stella (University of Milano-Bicocca); Markus Zanker (Free University of Bozen-Bolzano)