Contributions
A First Look at Selection Bias in Preference Elicitation for Recommendation
Shashank Gupta (University of Amsterdam); Harrie Oosterhuis (Radboud University); Maarten de Rijke (University of Amsterdam)
[PDF]Ad-load Balancing via Off-policy Learning in a Content Marketplace
Hitesh Sagtani (Sharechat); Madan Gopal Jhawar (Sharechat); Rishabh Mehrotra (Sharechat); Olivier Jeunen (ShareChat)
[PDF] [Teaser Video]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)
[PDF]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)
[PDF]Double Clipping: Less-Biased Variance Reduction in Off-Policy Evaluation
Jan M Lichtenberg (Amazon); Jan Malte Lichtenberg (Amazon); Alexander Buchholz (Amazon); Giuseppe Di Benedetto (Amazon); Matteo Ruffini (Amazon); Ben London (Amazon)
[PDF]Fairness of Exposure in Dynamic Recommendation
Masoud Mansoury (University of Amsterdam); Bamshad Mobasher (DePaul University)
[PDF]GENIUS-RS: Generalized Explainer of Global Phenomena in Recommendation
Ludovico Boratto (University of Cagliari); Francesco Fabbri (Spotify); Gianni Fenu (University of Cagliari); Mirko Marras (University of Cagliari); Giacomo Medda (University of Cagliari)
[PDF]Large Scale Bayesian Recommendation Systems in Production Environments
Imane Baha (Criteo); DAVID J ROHDE (CRITEO); Hamlet Jesse Medina Ruiz (Criteo); Flavian Vasile (Criteo)
[PDF]Layout Optimizer for Personalized Home Screen based on Contextual Multi-Armed Bandit in C2C Marketplace
Yusuke Shido (Mercari, inc.); Shinya Yaginuma (Mercari); Naoya Taguchi (Mercari, inc.); Tomohiro Furusawa (Mercari, inc.); Ryo Tanaka (Mercari, inc.)
[PDF]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)
[PDF]Offline Recommender System Evaluation under Unobserved Confounding
Olivier Jeunen (ShareChat); Ben London (Amazon)
[PDF] [Teaser Video]Pre-trained Recommender Systems: A Causal Perspective
Ziqian Lin (University of Wisconsin–Madison); Hao Ding (AWS AI Lab); Nghia Trong Hoang (Washington State University); Branislav Kveton (AWS AI Labs); Anoop Deoras (Amazon); Hao Wang (Rutgers University)
[PDF]Safe Deployment for Counterfactual Learning to Rank with Exposure-Based Risk Minimization
Shashank Gupta (University of Amsterdam); Harrie Oosterhuis (Radboud University); Maarten de Rijke (University of Amsterdam)
[PDF]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)
[PDF]Unbiased Offline Evaluation for Learning to Rank with Business Rules
Matej Jakimov (Amazon); Alexander Buchholz (Amazon); Yannik Stein (Amazon); Thorsten Joachims (Cornell)
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